{"id":2901,"date":"2026-07-20T15:39:20","date_gmt":"2026-07-20T13:39:20","guid":{"rendered":"https:\/\/gekkophotonics.com\/specialty-silicones\/how-it-works\/"},"modified":"2026-07-20T15:39:20","modified_gmt":"2026-07-20T13:39:20","slug":"how-it-works","status":"publish","type":"page","link":"https:\/\/gekkophotonics.com\/de\/specialty-silicones\/inline-raman-silikone-spektrum-dcs\/","title":{"rendered":"How Inline Raman Works on Silicones &#8211; Spectrum to DCS | Gekko Photonics"},"content":{"rendered":"<style>.elementor-2901 .elementor-element.elementor-element-376cffa{margin-top:0px;margin-bottom:0px;padding:0px 0px 0px 0px;}.elementor-2901 .elementor-element.elementor-element-8ca1226 > .elementor-element-populated{padding:0px 0px 0px 0px;}@media(min-width:768px){.elementor-2901 .elementor-element.elementor-element-8ca1226{width:100%;}}<\/style>\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2901\" class=\"elementor elementor-2901 elementor-bc-flex-widget\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-376cffa gk-ms-host elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"376cffa\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8ca1226 gk-ms-col\" data-id=\"8ca1226\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-257a89c elementor-widget elementor-widget-html\" data-id=\"257a89c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>.gk-ms-host,.gk-ms-host>.elementor-container,.gk-ms-col,.gk-ms-col>.elementor-widget-wrap,.gk-ms-col .elementor-widget-html,.gk-ms-col .elementor-widget-html>.elementor-widget-container{margin:0!important;padding:0!important;max-width:none!important;width:100%!important}<\/style>\n<style>\n\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Manrope:wght@300;400;500;600;700;800&display=swap');\n\n#gkms{\n  \/* --- brand tokens (from colors_and_type.css) --- *\/\n  --gk-blue:#019FE2; --gk-blue-600:#0088C2; --gk-blue-400:#3DB6E8; --gk-blue-100:#D6EFFA; --gk-blue-50:#EDF8FD;\n  --gk-navy-deep:#2B2E83; --gk-navy-dark:#192A3D; --gk-navy-800:#1F2A4A; --gk-slate:#3A4F66;\n  --gk-gold:#F3C969; --gk-white:#FFFFFF; --gk-off:#FAFBFC;\n  --g50:#F5F6F8; --g100:#E8EBEF; --g200:#D3D8DF; --g300:#B5BCC5; --g400:#8A93A0; --g500:#5E6676; --g600:#3F485A; --g700:#2A3342; --black:#0D0D0D;\n  --ok:#2BB673; --warn:#F3C969; --bad:#E04B4B;\n  --r-xs:4px; --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:24px; --r-pill:999px;\n  --sh-xs:0 1px 2px rgba(25,42,61,.06);\n  --sh-sm:0 1px 3px rgba(25,42,61,.08),0 1px 2px rgba(25,42,61,.04);\n  --sh-md:0 6px 16px rgba(25,42,61,.10),0 2px 4px rgba(25,42,61,.06);\n  --sh-lg:0 18px 40px rgba(25,42,61,.14),0 4px 10px rgba(25,42,61,.06);\n  --ease:cubic-bezier(0.22,1,0.36,1);\n  --font:\"Manrope\",system-ui,-apple-system,\"Segoe UI\",sans-serif;\n  font-family:var(--font); color:var(--gk-slate); font-size:16px; line-height:1.5;\n  -webkit-font-smoothing:antialiased; background:var(--gk-white);\n}\n#gkms *,#gkms *::before,#gkms *::after{box-sizing:border-box;margin:0;padding:0}\n#gkms img{max-width:100%;display:block}\n#gkms a{color:inherit;text-decoration:none}\n#gkms h1,#gkms h2,#gkms h3,#gkms h4{color:var(--gk-navy-deep);line-height:1.1;letter-spacing:-.02em;font-weight:800}\n#gkms .wrap{max-width:1200px;margin:0 auto;padding:0 24px}\n#gkms section{padding:clamp(72px,9vw,112px) 0}\n#gkms .eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gk-blue)}\n#gkms .eyebrow::before{content:\"\";width:24px;height:1px;background:var(--gk-blue);display:inline-block}\n#gkms .eyebrow.no-line::before{display:none}\n#gkms .lead{font-size:clamp(17px,1.35vw,20px);line-height:1.6;color:var(--gk-slate)}\n#gkms .display{font-size:clamp(40px,5vw,72px);font-weight:800;line-height:1.02;letter-spacing:-.02em;color:var(--gk-navy-deep)}\n#gkms .h2{font-size:clamp(28px,3vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.08}\n#gkms .sec-head{max-width:820px;margin-bottom:64px;position:relative}\n#gkms .sec-head .h2{margin:18px 0 0}\n#gkms .sec-head .lead{margin-top:18px;max-width:64ch}\n#gkms .sec-head .num{position:absolute;right:-40px;top:-34px;font-size:clamp(96px,11vw,160px);font-weight:800;line-height:1;letter-spacing:-.04em;color:var(--gk-navy-deep);opacity:.05;pointer-events:none;font-variant-numeric:tabular-nums;user-select:none}\n@media(max-width:1100px){#gkms .sec-head .num{display:none}}\n#gkms .band .sec-head .num{color:#fff;opacity:.06}\n\n\/* ---- progress + nav ---- *\/\n#gkms .progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--gk-blue);z-index:120;transition:width .1s linear}\n#gkms .nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);backdrop-filter:blur(12px) saturate(140%);border-bottom:1px solid var(--g100)}\n#gkms .nav-in{max-width:1200px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:28px}\n#gkms .nav .logo{height:34px;width:auto}\n#gkms .nav-links{display:flex;gap:24px;flex:1;font-size:14px;font-weight:600}\n#gkms .nav-links a{color:var(--gk-navy-deep);position:relative;padding:4px 0;transition:color .15s}\n#gkms .nav-links a::after{content:\"\";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--gk-blue);transition:width .2s var(--ease)}\n#gkms .nav-links a:hover,#gkms .nav-links a.active{color:var(--gk-blue)}\n#gkms .nav-links a.active::after{width:100%}\n#gkms .btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font);font-weight:600;font-size:14px;padding:12px 22px;border-radius:var(--r-md);border:1px solid transparent;cursor:pointer;transition:.18s var(--ease);white-space:nowrap}\n#gkms .btn-primary{background:var(--gk-blue);color:#fff;box-shadow:0 6px 18px rgba(1,159,226,.30)}\n#gkms .btn-primary:hover{background:var(--gk-blue-600);transform:translateY(-1px)}\n#gkms .btn-navy{background:var(--gk-navy-deep);color:#fff}\n#gkms .btn-navy:hover{background:#232566;transform:translateY(-1px)}\n#gkms .btn-ghost{background:transparent;color:var(--gk-navy-deep);border-color:var(--g200)}\n#gkms .btn-ghost:hover{border-color:var(--gk-blue);color:var(--gk-blue)}\n#gkms .btn-light{background:#fff;color:var(--gk-navy-deep)}\n#gkms .btn-light:hover{transform:translateY(-1px)}\n#gkms .btn-outline-light{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.28)}\n#gkms .btn-outline-light:hover{background:rgba(255,255,255,.14)}\n@media(max-width:940px){#gkms .nav-links{display:none}}\n\n\/* ---- hero ---- *\/\n#gkms .hero{position:relative;overflow:hidden;color:#fff;padding:150px 0 130px;\n  background-image:linear-gradient(100deg,rgba(15,22,38,.96) 0%,rgba(25,42,61,.86) 42%,rgba(25,42,61,.42) 100%),url('https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/hero-silicone-wide.jpg');\n  background-size:cover;background-position:center}\n#gkms .hero .spectrum{position:absolute;inset:0;width:100%;height:100%;opacity:.28;pointer-events:none}\n#gkms .hero .spectrum path{fill:none;stroke-width:2}\n#gkms .hero-in{position:relative;max-width:1200px;margin:0 auto;padding:0 24px}\n#gkms .hero .display{color:#fff;max-width:17ch}\n#gkms .hero .display .accent{color:var(--gk-blue-400)}\n#gkms .hero .lead{color:#C8D0DC;max-width:56ch;margin-top:22px}\n#gkms .hero .eyebrow{color:var(--gk-blue-400)}\n#gkms .hero .eyebrow::before{background:var(--gk-blue-400)}\n#gkms .badges{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 32px}\n#gkms .badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;padding:8px 15px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);color:#DCE4EF}\n#gkms .badge b{color:#fff;font-weight:800}\n#gkms .hero-cta{display:flex;flex-wrap:wrap;gap:12px}\n#gkms .scrollcue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);color:rgba(255,255,255,.5);font-size:22px;animation:bob 1.8s var(--ease) infinite}\n@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}\n\n\/* ---- generic reveal ---- *\/\n#gkms .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}\n#gkms .reveal.in{opacity:1;transform:none}\n\n\/* ---- context strip (spec-sheet band) ---- *\/\n#gkms .ctx{background:var(--gk-off)}\n#gkms .ctx-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}\n#gkms .ctx-item{padding:2px 30px}\n#gkms .ctx-item + .ctx-item{border-left:1px solid var(--g200)}\n@media(max-width:820px){#gkms .ctx-grid{grid-template-columns:repeat(2,1fr);gap:34px 0}\n  #gkms .ctx-item{padding:2px 26px}\n  #gkms .ctx-item:nth-child(odd){padding-left:0;border-left:none}\n  #gkms .ctx-item:nth-child(3),#gkms .ctx-item:nth-child(4){padding-top:0}}\n@media(max-width:520px){#gkms .ctx-grid{grid-template-columns:1fr;gap:28px 0}\n  #gkms .ctx-item{padding:0;border-left:none}}\n#gkms .ctx-item:first-child{padding-left:0}\n#gkms .ctx-item .k{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gk-blue);margin-bottom:12px}\n#gkms .ctx-item .v{font-weight:800;color:var(--gk-navy-deep);font-size:18px;line-height:1.22;letter-spacing:-.01em}\n#gkms .ctx-item p{font-size:14px;color:var(--gk-slate);margin-top:10px;line-height:1.55}\n\n\/* ---- chemistry tabs ---- *\/\n#gkms .tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}\n#gkms .tab{font-family:var(--font);font-weight:700;font-size:14px;padding:11px 20px;border-radius:var(--r-pill);border:1px solid var(--g200);background:#fff;color:var(--gk-slate);cursor:pointer;transition:.18s var(--ease)}\n#gkms .tab:hover{border-color:var(--gk-blue-400);color:var(--gk-blue)}\n#gkms .tab.active{background:var(--gk-navy-deep);border-color:var(--gk-navy-deep);color:#fff}\n#gkms .tabpanels{position:relative;background:var(--gk-off);border:1px solid var(--g100);border-radius:var(--r-xl);padding:44px}\n@media(max-width:820px){#gkms .tabpanels{padding:26px}}\n#gkms .tabpanel{display:none;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}\n#gkms .tabpanel.active{display:grid;animation:fade .4s var(--ease)}\n@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}\n@media(max-width:820px){#gkms .tabpanel.active{grid-template-columns:1fr}}\n#gkms .tabpanel .tp-tag{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gk-blue)}\n#gkms .tabpanel h3{font-size:28px;margin:8px 0 14px}\n#gkms .tabpanel p{color:var(--gk-slate);line-height:1.65;font-size:16px}\n#gkms .tabpanel ul{list-style:none;margin:18px 0 0;display:flex;flex-direction:column;gap:10px}\n#gkms .tabpanel li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--gk-slate)}\n#gkms .tabpanel li::before{content:\"\";flex:0 0 auto;width:6px;height:6px;border-radius:999px;background:var(--gk-blue);margin-top:8px}\n#gkms .tp-photo{border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-lg);aspect-ratio:4\/3;background:var(--g100)}\n#gkms .tp-photo img{width:100%;height:100%;object-fit:cover}\n\n\/* ---- analyte + spectrum explorer ---- *\/\n#gkms .explorer{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:stretch}\n@media(max-width:900px){#gkms .explorer{grid-template-columns:1fr}}\n#gkms .analyte-list{display:flex;flex-direction:column;gap:10px}\n#gkms .analyte{display:flex;justify-content:space-between;align-items:center;gap:14px;text-align:left;font-family:var(--font);\n  background:#fff;border:1px solid var(--g200);border-radius:var(--r-md);padding:16px 18px;cursor:pointer;transition:.18s var(--ease)}\n#gkms .analyte:hover{border-color:var(--gk-blue-400);transform:translateX(3px)}\n#gkms .analyte.active{border-color:var(--gk-blue);background:var(--gk-blue-50);box-shadow:var(--sh-sm)}\n#gkms .analyte .n{font-weight:700;color:var(--gk-navy-deep);font-size:15px}\n#gkms .analyte .band{font-size:12px;font-weight:700;color:var(--gk-blue);font-variant-numeric:tabular-nums;background:var(--gk-blue-100);padding:3px 9px;border-radius:var(--r-pill);white-space:nowrap}\n#gkms .spectrum-panel{background:var(--gk-navy-dark);border-radius:var(--r-xl);padding:28px;color:#fff;display:flex;flex-direction:column;box-shadow:var(--sh-lg)}\n#gkms .spectrum-panel .sp-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}\n#gkms .spectrum-panel .sp-live{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gk-blue-400);display:flex;align-items:center;gap:7px}\n#gkms .spectrum-panel .sp-live .dot{width:8px;height:8px;border-radius:999px;background:var(--gk-blue-400);animation:pulse 1.4s infinite}\n@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}\n#gkms .spectrum-panel .sp-read{font-variant-numeric:tabular-nums;font-size:13px;color:#93A1B5}\n#gkms .spec-svg{width:100%;height:200px;margin:10px 0 6px}\n#gkms .spec-svg .grid line{stroke:rgba(255,255,255,.06);stroke-width:1}\n#gkms .spec-svg .trace{fill:none;stroke:var(--gk-blue-400);stroke-width:2}\n#gkms .spec-svg .marker{stroke:var(--gk-gold);stroke-width:2;stroke-dasharray:4 4;opacity:0;transition:opacity .3s}\n#gkms .spec-svg .marker.on{opacity:1}\n#gkms .spec-svg .mlabel{fill:var(--gk-gold);font-size:11px;font-weight:700;opacity:0;transition:opacity .3s}\n#gkms .spec-svg .mlabel.on{opacity:1}\n#gkms .spec-detail{border-top:1px solid rgba(255,255,255,.1);padding-top:16px;margin-top:auto}\n#gkms .spec-detail .sd-name{font-weight:800;color:#fff;font-size:18px}\n#gkms .spec-detail .sd-desc{color:#C8D0DC;font-size:14px;line-height:1.55;margin-top:6px}\n#gkms .spec-axis{font-size:11px;color:#6E7A8C;text-align:center;letter-spacing:.06em}\n\n\/* ---- lab lag vs inline ---- *\/\n#gkms .versus{display:grid;grid-template-columns:1fr 1fr;gap:22px}\n@media(max-width:820px){#gkms .versus{grid-template-columns:1fr}}\n#gkms .vcard{border-radius:var(--r-xl);padding:36px 32px;position:relative;overflow:hidden}\n#gkms .vcard::before{content:\"\";position:absolute;left:0;top:0;right:0;height:4px}\n#gkms .vcard.old{background:var(--g50);border:1px solid var(--g200)}\n#gkms .vcard.old::before{background:var(--bad);opacity:.55}\n#gkms .vcard.new{background:linear-gradient(135deg,var(--gk-navy-deep) 0%,#1F2A6B 100%);color:#fff;box-shadow:var(--sh-lg)}\n#gkms .vcard.new::before{background:var(--gk-blue)}\n#gkms .vcard .vk{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}\n#gkms .vcard.old .vk{color:var(--g500)}\n#gkms .vcard.new .vk{color:var(--gk-blue-400)}\n#gkms .vcard .vtime{font-size:clamp(40px,6vw,64px);font-weight:800;line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}\n#gkms .vcard.old .vtime{color:var(--gk-navy-deep)}\n#gkms .vcard.new .vtime{color:#fff}\n#gkms .vcard .vtime .u{font-size:.35em;font-weight:700;margin-left:6px;color:var(--gk-blue)}\n#gkms .vcard.old .vtime .u{color:var(--g400)}\n#gkms .vbar{height:10px;border-radius:999px;background:rgba(0,0,0,.08);margin:22px 0 16px;overflow:hidden}\n#gkms .vcard.new .vbar{background:rgba(255,255,255,.12)}\n#gkms .vbar span{display:block;height:100%;border-radius:999px;width:0;transition:width 1.2s var(--ease)}\n#gkms .vcard.old .vbar span{background:var(--bad)}\n#gkms .vcard.new .vbar span{background:var(--gk-blue)}\n#gkms .vcard p{font-size:14px;line-height:1.55}\n#gkms .vcard.old p{color:var(--gk-slate)}\n#gkms .vcard.new p{color:#C8D0DC}\n\n\/* ---- how \/ probe cycle ---- *\/\n#gkms .how-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}\n@media(max-width:900px){#gkms .how-grid{grid-template-columns:1fr}}\n#gkms .cycle{background:var(--gk-navy-dark);border-radius:var(--r-xl);padding:34px;color:#fff;box-shadow:var(--sh-lg)}\n#gkms .cycle .ring{display:flex;justify-content:center;gap:0;margin-bottom:24px}\n#gkms .cyc-step{flex:1;text-align:center;position:relative;padding:0 6px}\n#gkms .cyc-step .ci{width:66px;height:66px;margin:0 auto 12px;border-radius:50%;display:flex;align-items:center;justify-content:center;\n  font-size:26px;background:rgba(255,255,255,.06);border:2px solid rgba(255,255,255,.14);transition:.35s var(--ease)}\n#gkms .cyc-step.on .ci{background:var(--gk-blue);border-color:var(--gk-blue);box-shadow:0 0 0 6px rgba(1,159,226,.22);transform:scale(1.08)}\n#gkms .cyc-step .ct{font-size:13px;font-weight:700;color:#C8D0DC}\n#gkms .cyc-step.on .ct{color:#fff}\n#gkms .cyc-arrow{display:flex;align-items:center;color:rgba(255,255,255,.3);font-size:18px}\n#gkms .cycle .cyc-cap{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;color:#C8D0DC;font-size:14px;line-height:1.6}\n#gkms .cycle .cyc-cap b{color:#fff}\n#gkms .how-points{display:flex;flex-direction:column;gap:22px}\n#gkms .how-point{display:flex;gap:16px;align-items:flex-start}\n#gkms .how-point .hi{flex:0 0 auto;width:46px;height:46px;border-radius:12px;background:var(--gk-blue-50);color:var(--gk-blue);display:flex;align-items:center;justify-content:center;font-size:22px}\n#gkms .how-point h4{font-size:18px;color:var(--gk-navy-deep);margin-bottom:5px}\n#gkms .how-point p{font-size:15px;color:var(--gk-slate);line-height:1.55}\n\n\/* ---- metric band ---- *\/\n#gkms .band{background:linear-gradient(120deg,#141F30 0%,var(--gk-navy-dark) 55%,#1B3048 100%);color:#fff;position:relative;overflow:hidden}\n#gkms .band::before{content:\"\";position:absolute;inset:0;pointer-events:none;\n  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);\n  background-size:56px 56px;mask-image:radial-gradient(70rem 40rem at 30% 0%,#000 0%,transparent 70%)}\n#gkms .band .wrap{position:relative}\n#gkms .band .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}\n@media(max-width:820px){#gkms .band .metrics{grid-template-columns:repeat(2,1fr)}}\n#gkms .metric{border-left:1px solid rgba(255,255,255,.14);padding-left:22px}\n#gkms .metric .mk{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gk-blue-400);margin-bottom:12px}\n#gkms .metric .mv{font-size:clamp(44px,4.4vw,68px);font-weight:800;letter-spacing:-.02em;line-height:.95;font-variant-numeric:tabular-nums}\n#gkms .metric .mv .u{font-size:.38em;color:var(--gk-blue-400);margin-left:4px;font-weight:800}\n#gkms .metric p{font-size:14px;color:#C8D0DC;margin-top:14px;line-height:1.45}\n\n\/* ---- proof cards ---- *\/\n#gkms .proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}\n@media(max-width:900px){#gkms .proof-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}}\n#gkms .proof{background:#fff;border:1px solid var(--g100);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);display:flex;flex-direction:column}\n#gkms .proof:hover{box-shadow:var(--sh-lg);transform:translateY(-4px);border-color:var(--gk-blue-100)}\n#gkms .proof .pph{aspect-ratio:16\/10;background:var(--g100);overflow:hidden;position:relative}\n#gkms .proof .pph img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}\n#gkms .proof:hover .pph img{transform:scale(1.045)}\n#gkms .proof .pph .ptag{position:absolute;left:14px;top:14px;font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:rgba(15,22,38,.72);backdrop-filter:blur(6px);padding:6px 11px;border-radius:var(--r-pill)}\n#gkms .proof .pbody{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}\n#gkms .proof h4{color:var(--gk-navy-deep);font-size:18px;line-height:1.25;margin:0 0 12px}\n#gkms .proof p{font-size:14px;color:var(--gk-slate);line-height:1.62}\n#gkms .proof p b{color:var(--gk-navy-deep);font-variant-numeric:tabular-nums}\n\n\/* ---- duel ---- *\/\n#gkms .duel{background:#fff;border:1px solid var(--g100);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md)}\n#gkms .duel-row{display:grid;grid-template-columns:1fr 1.15fr;align-items:stretch}\n#gkms .duel-row .mid{display:none}\n#gkms .duel-row .old,#gkms .duel-row .new{padding:18px 28px;font-size:15px;display:flex;align-items:center}\n#gkms .duel-row .old{color:var(--g500);background:var(--g50);border-bottom:1px solid var(--g100)}\n#gkms .duel-row .new{color:var(--gk-navy-deep);font-weight:600;background:var(--gk-blue-50);border-bottom:1px solid rgba(1,159,226,.14);border-left:2px solid var(--gk-blue)}\n#gkms .duel-row:last-child .old{border-bottom:none}\n#gkms .duel-row:last-child .new{border-bottom:none}\n#gkms .duel-row.duel-head .old,#gkms .duel-row.duel-head .new{font-weight:800;text-transform:uppercase;font-size:12px;letter-spacing:.1em;padding-top:20px;padding-bottom:20px}\n#gkms .duel-row.duel-head .old{background:var(--g100);color:var(--g500)}\n#gkms .duel-row.duel-head .new{background:var(--gk-navy-deep);color:#fff;border-bottom:none;border-left-color:var(--gk-navy-deep)}\n#gkms .duel .ck{color:var(--gk-blue);font-weight:800;margin-right:10px}\n#gkms .duel .xk{color:var(--g300);font-weight:800;margin-right:10px}\n@media(max-width:720px){#gkms .duel-row{grid-template-columns:1fr}#gkms .duel-row .old{border-bottom:1px dashed var(--g200)}}\n\n\/* ---- compliance ---- *\/\n#gkms .reg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}\n@media(max-width:820px){#gkms .reg-grid{grid-template-columns:1fr}}\n#gkms .reg{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);padding:24px}\n#gkms .reg .flag{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.06em;padding:5px 11px;border-radius:6px;background:var(--gk-blue);color:#fff;text-transform:uppercase;margin-bottom:14px}\n#gkms .reg h4{font-size:17px;color:#fff;margin-bottom:6px}\n#gkms .reg p{font-size:14px;color:#C8D0DC;line-height:1.55}\n\n\/* ---- replace ---- *\/\n#gkms .repl{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}\n@media(max-width:720px){#gkms .repl{grid-template-columns:1fr}}\n#gkms .repl .item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--g100);border-radius:var(--r-md);padding:18px 20px}\n#gkms .repl .lag{flex:0 0 auto;font-size:12px;font-weight:800;color:var(--bad);background:#FDE9E9;padding:5px 10px;border-radius:6px;white-space:nowrap}\n#gkms .repl .m{font-weight:700;color:var(--gk-navy-deep);font-size:15px}\n#gkms .repl .s{font-size:13px;color:var(--gk-slate);margin-top:3px}\n\n\/* ---- product ---- *\/\n#gkms .product{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center}\n@media(max-width:900px){#gkms .product{grid-template-columns:1fr}}\n#gkms .prod-photo{background:radial-gradient(60% 55% at 50% 42%,#101321 0%,#010105 72%);border-radius:var(--r-xl);padding:36px 20px;box-shadow:var(--sh-lg);text-align:center;border:1px solid rgba(255,255,255,.06);position:relative;overflow:hidden}\n#gkms .prod-photo::after{content:\"\";position:absolute;left:10%;right:10%;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(1,159,226,.45),transparent)}\n#gkms .prod-photo img{margin:0 auto;max-height:460px;width:auto;position:relative}\n#gkms .spec-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--g100);margin-top:22px}\n#gkms .spec-table td{padding:12px 18px;font-size:14px;border-bottom:1px solid var(--g100)}\n#gkms .spec-table tr:last-child td{border-bottom:none}\n#gkms .spec-table td:first-child{font-weight:600;color:var(--gk-navy-deep);width:44%}\n#gkms .spec-table td:last-child{color:var(--gk-slate)}\n\n\/* ---- CTA ---- *\/\n#gkms .cta{background:linear-gradient(135deg,#019FE2 0%,#2B2E83 100%);color:#fff;border-radius:var(--r-xl);padding:64px 48px;text-align:center;position:relative;overflow:hidden}\n#gkms .cta::after{content:\"\";position:absolute;inset:0;background:radial-gradient(40rem 20rem at 80% 120%,rgba(243,201,105,.18),transparent 60%);pointer-events:none}\n#gkms .cta .h2{color:#fff;max-width:20ch;margin:14px auto 0;position:relative}\n#gkms .cta p{color:rgba(255,255,255,.92);max-width:58ch;margin:16px auto 0;position:relative;font-size:17px;line-height:1.6}\n#gkms .cta .hero-cta{justify-content:center;margin-top:30px;position:relative}\n#gkms .cta .sub{margin-top:18px;font-size:13px;color:rgba(255,255,255,.82);position:relative}\n\n\/* ---- workshop strip (secondary, demoted) ---- *\/\n#gkms .strip{background:var(--gk-off);border-top:1px solid var(--g100);border-bottom:1px solid var(--g100)}\n#gkms .strip-in{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;padding:34px 0}\n#gkms .strip .st-l{display:flex;align-items:center;gap:16px}\n#gkms .strip .st-ic{width:48px;height:48px;border-radius:12px;background:var(--gk-blue-50);color:var(--gk-blue);display:flex;align-items:center;justify-content:center;font-size:24px;flex:0 0 auto}\n#gkms .strip h4{font-size:18px;color:var(--gk-navy-deep)}\n#gkms .strip p{font-size:14px;color:var(--gk-slate);margin-top:2px}\n\n\/* ---- footer ---- *\/\n#gkms .foot{background:var(--black);color:#C8D0DC;padding:72px 0 30px}\n#gkms .foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}\n@media(max-width:820px){#gkms .foot-grid{grid-template-columns:1fr 1fr}}\n#gkms .foot .flogo{height:42px;width:auto;filter:brightness(0) invert(1);margin-bottom:18px}\n#gkms .foot .ftag{font-size:14px;color:#8A93A0;line-height:1.6;max-width:34ch}\n#gkms .foot h5{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gk-blue);margin-bottom:16px}\n#gkms .foot a{display:block;font-size:13px;color:#C8D0DC;line-height:2}\n#gkms .foot a:hover{color:var(--gk-blue-400)}\n#gkms .foot .addr{font-size:13px;color:#8A93A0;line-height:1.7;margin-top:4px}\n#gkms .foot .fbottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#5E6676}\n#gkms .foot .fbottom .tagpl{color:var(--gk-blue);font-weight:700;letter-spacing:.14em;text-transform:uppercase}\n#gkms .mono-note{font-size:12px;color:var(--g400)}\n\n\/* ---- feasibility request form (custom, posts to gekko\/v1\/rsvp) ---- *\/\n#gkms .gkms-form{max-width:560px;margin:28px auto 0;text-align:left;position:relative}\n#gkms .gkms-form-q{font-weight:700;font-size:14px;color:#fff;margin:0 0 12px;text-align:center}\n#gkms .gkms-choices{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}\n#gkms .gkms-opt{display:flex;align-items:center;justify-content:center;text-align:center;gap:8px;padding:13px 10px;border:1.5px solid rgba(255,255,255,.34);border-radius:var(--r-md);background:rgba(255,255,255,.08);color:#fff;font-family:var(--font);font-weight:600;font-size:14px;line-height:1.25;cursor:pointer;transition:.15s var(--ease)}\n#gkms .gkms-opt:hover{border-color:#fff;background:rgba(255,255,255,.16)}\n#gkms .gkms-opt.is-sel{background:#fff;color:var(--gk-navy-deep);border-color:#fff}\n#gkms .gkms-row{display:flex;gap:10px;flex-wrap:wrap}\n#gkms .gkms-email{flex:1 1 240px;min-width:0;padding:14px 15px;height:auto;line-height:1.4;border:1.5px solid rgba(255,255,255,.34);border-radius:var(--r-md);background:rgba(255,255,255,.96);color:var(--gk-navy-deep);font-family:var(--font);font-size:15px}\n#gkms .gkms-email::placeholder{color:var(--g400)}\n#gkms .gkms-email:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.25)}\n#gkms .gkms-submit{flex:0 0 auto;box-shadow:0 6px 18px rgba(13,13,13,.18)}\n#gkms .gkms-hp{position:absolute!important;left:-9999px!important;top:auto;width:1px;height:1px;overflow:hidden;opacity:0}\n#gkms .gkms-consent{display:flex;align-items:flex-start;gap:10px;margin:14px 0 0;font-size:12.5px;color:rgba(255,255,255,.9);line-height:1.5;cursor:pointer;text-align:left}\n#gkms .gkms-consent-cb{flex:none;width:18px;height:18px;margin-top:1px;accent-color:#fff;cursor:pointer}\n#gkms .gkms-consent a{color:#fff;text-decoration:underline}\n#gkms .gkms-req{color:var(--gk-gold)}\n#gkms .gkms-msg{margin:12px 0 0;font-size:14px;min-height:1px;text-align:center;color:#fff}\n#gkms .gkms-msg.err{color:#FFDADA}\n#gkms .gkms-done{max-width:560px;margin:28px auto 0;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.30);border-radius:var(--r-lg);padding:24px;text-align:center;color:#fff;font-size:16px;font-weight:600;line-height:1.5}\n#gkms .cta-alt{margin-top:20px;position:relative}\n#gkms .cta-alt a{color:#fff;font-weight:600;font-size:14px;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:2px}\n#gkms .cta-alt a:hover{border-color:#fff}\n@media(max-width:560px){#gkms .gkms-choices{grid-template-columns:1fr}}\n\n\/* ---- inline line icons (replacing emoji) ---- *\/\n#gkms .ci svg{width:28px;height:28px;display:block;color:#DCE4EF}\n#gkms .cyc-step.on .ci svg{color:#fff}\n#gkms .how-point .hi svg{width:24px;height:24px;display:block}\n#gkms .strip .st-ic svg{width:26px;height:26px;display:block}\n#gkms .gkms-hint{margin:0 0 16px;font-size:13px;color:rgba(255,255,255,.88);line-height:1.55;text-align:center}\n#gkms .gkms-submit{transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}\n#gkms .gkms-submit.is-check{background:var(--ok);border-color:var(--ok);color:#fff;pointer-events:none}\n#gkms .gkms-submit svg{width:18px;height:18px;flex:0 0 auto;margin-right:2px}\n\n\n\/* ---- multi-page additions ---- *\/\n#gkms .subhero{position:relative;overflow:hidden;color:#fff;padding:120px 0 72px;\n  background:linear-gradient(115deg,#0F1626 0%,#192A3D 55%,#1F2A4A 100%)}\n#gkms .subhero .spectrum{position:absolute;inset:0;width:100%;height:100%;opacity:.20;pointer-events:none}\n#gkms .subhero .display{color:#fff;max-width:22ch;font-size:clamp(34px,4.4vw,54px)}\n#gkms .subhero .display .accent{color:var(--gk-blue-400)}\n#gkms .subhero .lead{color:#C8D0DC;max-width:62ch;margin-top:18px}\n#gkms .subhero .eyebrow{color:var(--gk-blue-400)}\n#gkms .subhero .eyebrow::before{background:var(--gk-blue-400)}\n#gkms .crumb{font-size:13px;color:#8A93A0;margin-bottom:18px}\n#gkms .crumb a{color:#C8D0DC}\n#gkms .crumb a:hover{color:#fff}\n#gkms .teaser-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}\n#gkms a.teaser{display:flex;flex-direction:column;background:#fff;border:1px solid var(--g100);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:.2s var(--ease);color:inherit}\n#gkms a.teaser:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--gk-blue-100)}\n#gkms .teaser .tph{height:230px;overflow:hidden}\n#gkms .teaser .tph img{width:100%;height:100%;object-fit:cover}\n#gkms .teaser .tbody{padding:20px 22px 22px}\n#gkms .teaser .tk{font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--gk-blue);margin-bottom:8px}\n#gkms .teaser h3{font-size:18px;color:var(--gk-navy-deep);margin-bottom:6px}\n#gkms .teaser p{font-size:14px;color:var(--gk-slate);line-height:1.55}\n#gkms .teaser .tgo{margin-top:auto;padding-top:14px;font-size:13.5px;font-weight:700;color:var(--gk-blue)}\n@media(max-width:940px){#gkms .teaser-grid{grid-template-columns:1fr}}\n#gkms .pager{display:flex;justify-content:space-between;gap:14px;max-width:1200px;margin:0 auto;padding:34px 24px}\n#gkms .pager a{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--gk-navy-deep)}\n#gkms .pager a:hover{color:var(--gk-blue)}\n\/* ---- packshot rule: no frame, no background, full device visible ---- *\/\n#gkms .prod-photo{background:none;border:none;box-shadow:none;padding:0;border-radius:0;overflow:visible}\n#gkms .prod-photo::after{display:none}\n#gkms .prod-photo img{max-height:560px;max-width:100%;width:auto;object-fit:contain}\n#gkms .packshot-stage{background:none;border:0;box-shadow:none;padding:0;text-align:center}\n#gkms .packshot-stage img{max-width:100%;height:auto;max-height:520px;object-fit:contain;filter:drop-shadow(0 24px 42px rgba(25,42,61,.28))}\n#gkms .tabpanel.active:not(:has(img)){grid-template-columns:1fr!important;max-width:840px}\n#gkms .product:not(:has(img)){grid-template-columns:1fr!important;max-width:840px}\n#gkms .how-grid:not(:has(img)):not(:has(.cycle)){grid-template-columns:1fr!important;max-width:840px}\n\/* ---- click-to-load YouTube facade ---- *\/\n#gkms .vid-embed{position:relative;width:100%;aspect-ratio:16\/9;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);background:#0F1626}\n#gkms .vid-embed .yt-facade{display:block;width:100%;height:100%;margin:0;padding:0;border:0;cursor:pointer;background:#0F1626;position:relative}\n#gkms .vid-embed .yt-facade img{width:100%;height:100%;object-fit:cover;display:block}\n#gkms .vid-embed .yt-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}\n#gkms .vid-embed .yt-play svg{width:74px;height:auto;filter:drop-shadow(0 6px 16px rgba(0,0,0,.45));transition:transform .18s var(--ease)}\n#gkms .vid-embed .yt-facade:hover .yt-play svg,#gkms .vid-embed .yt-facade:focus-visible .yt-play svg{transform:scale(1.09)}\n#gkms .vid-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}\n\n<\/style>\n\n<div id=\"gkms\">\n<div id=\"gkms-progress\" style=\"position:fixed;top:0;left:0;height:3px;background:var(--gk-blue);width:0;z-index:200\"><\/div>\n<nav class=\"nav\">\n    <div class=\"nav-in\">\n      <a href=\"\/specialty-silicones\/\"><img decoding=\"async\" class=\"logo\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/logo-full-4.png\" alt=\"Gekko Photonics\"><\/a>\n      <div class=\"nav-links\">\n      <a href=\"\/specialty-silicones\/\">Home<\/a>\n      <a href=\"\/specialty-silicones\/chemistry\/\">Chemistry<\/a>\n      <a href=\"\/specialty-silicones\/what-we-measure\/\">What we measure<\/a>\n      <a href=\"\/specialty-silicones\/how-it-works\/\" class=\"active\">How it works<\/a>\n      <a href=\"\/specialty-silicones\/proof\/\">Proof<\/a>\n      <a href=\"\/specialty-silicones\/compliance\/\">Compliance<\/a>\n      <a href=\"\/specialty-silicones\/instrument\/\">Instrument<\/a>\n      <\/div>\n      <a class=\"btn btn-primary\" href=\"#contact\">Test on your samples<\/a>\n    <\/div>\n  <\/nav>\n<header class=\"subhero\">\n  <svg class=\"spectrum\" viewBox=\"0 0 1200 420\" preserveAspectRatio=\"none\" aria-hidden=\"true\">\n    <path d=\"M0,320 L90,312 L150,290 L195,195 L240,305 L315,292 L375,185 L420,305 L480,262 L540,135 L600,290 L660,276 L720,225 L780,296 L840,282 L900,205 L960,300 L1020,288 L1080,240 L1140,292 L1200,270\" fill=\"none\" stroke=\"#019FE2\" stroke-width=\"2\"><\/path>\n    <path d=\"M0,335 L90,328 L150,318 L195,245 L240,325 L315,312 L375,232 L420,322 L480,292 L540,196 L600,312 L660,300 L720,258 L780,318 L840,305 L900,242 L960,320 L1020,308 L1080,272 L1140,314 L1200,295\" fill=\"none\" stroke=\"#fff\" stroke-width=\"1\" stroke-dasharray=\"4 6\"><\/path>\n  <\/svg>\n  <div class=\"hero-in\" style=\"position:relative\">\n    <div class=\"crumb\"><a href=\"\/specialty-silicones\/\">Industrial &amp; specialty silicones<\/a> \/ How it works<\/div>\n    <span class=\"eyebrow\">How it works<\/span>\n    <h1 class=\"display\" style=\"margin-top:16px\">From the siloxane band to <span class=\"accent\">a value you can act on.<\/span><\/h1>\n    <p class=\"lead\">How an immersion Raman probe in the reactor - inline, taken directly in the line with no sample drawn - turns the diagnostic silicone bands into cure state, residual cyclics and chain length on your control system, in seconds.<\/p>\n  <\/div>\n<\/header>\n\n<!-- ===== 01 \u00b7 RAMAN PRINCIPLE ===== -->\n<section id=\"principle\">\n  <div class=\"wrap\">\n    <div class=\"sec-head reveal\">\n      <span class=\"num\">01<\/span>\n      <span class=\"eyebrow\">The principle<\/span>\n      <h2 class=\"h2\">The questions that define a silicone map onto specific bands.<\/h2>\n      <p class=\"lead\">Shine monochromatic laser light into the silicone medium. Most of it scatters back unchanged; a small fraction exchanges energy with molecular vibrations and returns shifted, and those shifts are characteristic of the bonds that caused them. Silicones are strong, specific Raman scatterers, so the exact bands a cure or cyclics question needs come back cleanly from one spectrum.<\/p>\n    <\/div>\n    <div class=\"how-grid\">\n      <div class=\"how-points\">\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M2 12h8\"\/><circle cx=\"13\" cy=\"12\" r=\"2.2\"\/><path d=\"M15 10.5l4.5-3M15 13.5l4.5 3M15.4 12H21\"\/><\/svg><\/div><div><h4>Inelastic scattering carries the information<\/h4><p>The laser (785 or 1064 nm) illuminates the medium through the immersion probe. Photons that scatter inelastically shift in wavelength by amounts set by the molecular vibrations they met. Plotting intensity against Raman shift (cm&#8315;&sup1;) gives the raw spectrum.<\/p><\/div><\/div>\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M2.5 16.5l2.5-1.5 2-6.5 2.5 9 2-11 2.5 8 2-3.5 2.5 2 3-1.5\"\/><\/svg><\/div><div><h4>The three bands a silicone runs on<\/h4><p>Cure state reads from the Si-H band at ~2160 cm&#8315;&sup1; and the vinyl C=C band at ~1600 cm&#8315;&sup1; as they vanish through the addition reaction. Residual cyclics - D4, D5, D6 - separate from linear siloxane at the ~490 cm&#8315;&sup1; band. Each band is narrow and characteristic, so several parameters resolve from a single read.<\/p><\/div><\/div>\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M4 18L20 7\"\/><circle cx=\"7.5\" cy=\"16\" r=\"1.3\"\/><circle cx=\"12\" cy=\"12.5\" r=\"1.3\"\/><circle cx=\"16.5\" cy=\"9\" r=\"1.3\"\/><\/svg><\/div><div><h4>Composition, not a proxy<\/h4><p>Raman reads composition directly. Inline viscometry infers a molecular-weight proxy but no composition; NIR bands overlap and do not separate cyclic from linear siloxane. The Raman spectrum carries chain length, functional-group content and cure state at once.<\/p><\/div><\/div>\n      <\/div>\n    <\/div>\n    <div style=\"margin-top:44px\">\n      <div class=\"duel reveal\">\n        <div class=\"duel-row duel-head\"><div class=\"old\">Established methods<\/div><div class=\"mid\"><\/div><div class=\"new\">Inline Raman<\/div><\/div>\n        <div class=\"duel-row\"><div class=\"old\"><span class=\"xk\">&times;<\/span>Residual cyclics D4\/D5\/D6 by GC\/MS - 60-120 min per sample plus extraction<\/div><div class=\"mid\">&rarr;<\/div><div class=\"new\"><span class=\"ck\">&check;<\/span>Cyclic vs linear read from the ~490 cm&#8315;&sup1; siloxane band in under 5 s<\/div><\/div>\n        <div class=\"duel-row\"><div class=\"old\"><span class=\"xk\">&times;<\/span>Cure state by gel-time - observational, non-numeric<\/div><div class=\"mid\">&rarr;<\/div><div class=\"new\"><span class=\"ck\">&check;<\/span>Cure confirmed live as the Si-H band at ~2160 cm&#8315;&sup1; vanishes<\/div><\/div>\n        <div class=\"duel-row\"><div class=\"old\"><span class=\"xk\">&times;<\/span>Cure state by DSC or offline rheometer - 30-90 min, after the batch<\/div><div class=\"mid\">&rarr;<\/div><div class=\"new\"><span class=\"ck\">&check;<\/span>Vinyl C=C at ~1600 cm&#8315;&sup1; tracked in-process, no sampling<\/div><\/div>\n        <div class=\"duel-row\"><div class=\"old\"><span class=\"xk\">&times;<\/span>Chlorosilane composition by GC - 20-40 min, HCl protection at sampling<\/div><div class=\"mid\">&rarr;<\/div><div class=\"new\"><span class=\"ck\">&check;<\/span>D\/T\/M ratio read inline after the reactor through a sapphire window<\/div><\/div>\n        <div class=\"duel-row\"><div class=\"old\"><span class=\"xk\">&times;<\/span>Inline viscometry - a molecular-weight proxy, no composition<\/div><div class=\"mid\">&rarr;<\/div><div class=\"new\"><span class=\"ck\">&check;<\/span>Chain length and DP read from the spectrum itself<\/div><\/div>\n      <\/div>\n      <p class=\"mono-note\" style=\"margin-top:14px\">GC\/MS and DSC remain the analytical reference. Inline Raman replaces them where decision time and measurement continuity matter - the offline methods become verification, not the bottleneck.<\/p>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- ===== 02 \u00b7 MEASUREMENT ARCHITECTURE ===== -->\n<section id=\"architecture\" class=\"ctx\">\n  <div class=\"wrap\">\n    <div class=\"sec-head reveal\">\n      <span class=\"num\">02<\/span>\n      <span class=\"eyebrow\">Measurement architecture<\/span>\n      <h2 class=\"h2\">From the reactor wall to the control room.<\/h2>\n      <p class=\"lead\">Four links in the chain: an immersion probe in the process, fiber optics to the analyzer, chemometric models in Spectrally OS, and your control system at the end. There is no sampling loop anywhere in it - the measurement is inline, taken directly in the medium.<\/p>\n    <\/div>\n    <div class=\"ctx-grid\" style=\"margin-bottom:56px\">\n      <div class=\"ctx-item reveal\"><div class=\"k\">Link 1 &middot; In the process<\/div><div class=\"v\">Spectrally X1 PROBE<\/div><p>Immersion probe in the reactor or line. IP67, ATEX\/IECEx Zone 0, self-cleaning module, with a sapphire window option for corrosive chlorosilane and HCl media.<\/p><\/div>\n      <div class=\"ctx-item reveal\"><div class=\"k\">Link 2 &middot; Light transport<\/div><div class=\"v\">Fiber optics, up to 100 m<\/div><p>Excitation light travels to the probe and scattered light returns over fiber, so the analyzer can sit away from the process area while the probe stays in the medium.<\/p><\/div>\n      <div class=\"ctx-item reveal\"><div class=\"k\">Link 3 &middot; The analyzer<\/div><div class=\"v\">Spectrally X1 INLINE<\/div><p>785 \/ 1064 nm laser excitation, back-thinned TEC-cooled CCD detector. Up to 2 measurement channels as standard, more on request.<\/p><\/div>\n      <div class=\"ctx-item reveal\"><div class=\"k\">Link 4 &middot; Spectrum to value<\/div><div class=\"v\">Spectrally OS<\/div><p>AI and advanced chemometrics with a CNN core translate the spectrum into cure state, residual cyclics and chain-length values plus PASS-FAIL flags, then hand them to your PLC \/ DCS.<\/p><\/div>\n    <\/div>\n    <div class=\"product\">\n      <div class=\"reveal\">\n        <h3 style=\"font-size:20px;color:var(--gk-navy-deep);margin-bottom:8px\">The hardware in the chain<\/h3>\n        <p style=\"line-height:1.65\">The numbers that define the measurement path, probe to analyzer. Calibration is automatic, against a reference integrated in the probe - there is no manual recalibration routine to schedule.<\/p>\n        <table class=\"spec-table\">\n          <tr><td>Measurement principle<\/td><td>Raman spectroscopy<\/td><\/tr>\n          <tr><td>Laser wavelength<\/td><td>785 nm \/ 1064 nm<\/td><\/tr>\n          <tr><td>Detector<\/td><td>Back-thinned CCD, TEC-cooled<\/td><\/tr>\n          <tr><td>Acquisition time<\/td><td>5-300 s<\/td><\/tr>\n          <tr><td>Fiber optic reach<\/td><td>Up to 100 m<\/td><\/tr>\n          <tr><td>Measurement channels<\/td><td>Up to 2 (expandable on request)<\/td><\/tr>\n          <tr><td>Probe<\/td><td>Spectrally X1 PROBE, IP67, ATEX\/IECEx Zone 0, self-cleaning<\/td><\/tr>\n          <tr><td>Optical window<\/td><td>Fused silica standard, sapphire (Al&#8322;O&#8323;) for corrosive chlorosilane \/ HCl<\/td><\/tr>\n          <tr><td>Calibration<\/td><td>Automatic - reference integrated in probe<\/td><\/tr>\n          <tr><td>Communication<\/td><td>PROFIBUS, PROFINET, GSM<\/td><\/tr>\n        <\/table>\n      <\/div>\n    <div class=\"prod-photo reveal\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/ps-inline-screen-1.png\" alt=\"Spectrally X1 INLINE process Raman analyzer cabinet with live composition readout\"><\/div><\/div>\n    <div style=\"margin-top:56px\">\n      <h3 style=\"font-size:20px;color:var(--gk-navy-deep);margin-bottom:16px\">Raman is the core, not the whole toolbox<\/h3>\n      <div class=\"ctx-grid\">\n        <div class=\"ctx-item reveal\"><div class=\"k\">~70% of portfolio<\/div><div class=\"v\">Raman<\/div><p>The core technique and the silicone workhorse - the Si-H, vinyl and siloxane bands read inline, with a CNN doing the interpretation.<\/p><\/div>\n        <div class=\"ctx-item reveal\"><div class=\"k\">~20% of portfolio<\/div><div class=\"v\">SERS<\/div><p>Surface-enhanced Raman on metallic nanostructures, typically Ag or Au - used when analyte concentrations sit at ppb-ppm levels, below classical Raman sensitivity.<\/p><\/div>\n        <div class=\"ctx-item reveal\"><div class=\"k\">~5% of portfolio<\/div><div class=\"v\">NIR<\/div><p>Near-infrared as a complement where Raman bands are weak. On silicones it stays a complement - it does not separate cyclic from linear.<\/p><\/div>\n        <div class=\"ctx-item reveal\"><div class=\"k\">~5% of portfolio<\/div><div class=\"v\">Other sensors<\/div><p>Complementary sensing for specific challenges. The technique is chosen for the chemistry, not the other way around.<\/p><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- ===== 03 \u00b7 SELF-CLEANING PROBE CYCLE ===== -->\n<section id=\"probe-cycle\">\n  <div class=\"wrap\">\n    <div class=\"sec-head reveal\">\n      <span class=\"num\">03<\/span>\n      <span class=\"eyebrow\">Fouling and the self-cleaning cycle<\/span>\n      <h2 class=\"h2\">Curing silicone films optical windows. The probe is built for that.<\/h2>\n      <p class=\"lead\">Curing silicone and siloxane deposits settle on any optical surface left in the process. In strongly fouling media the Raman signal would degrade within hours to days of operation. The self-cleaning module removes that failure mode with a mechanical cycle: retract, rinse, return.<\/p>\n    <\/div>\n    <div class=\"how-grid\">\n      <div class=\"vid-embed reveal\"><button type=\"button\" class=\"yt-facade\" data-yt=\"rklmC1ITe2c\" aria-label=\"Play: Spectrally self-cleaning probe cycle\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/yt-selfclean-poster-4.jpg\" alt=\"Spectrally self-cleaning probe cycle - retract, rinse, return\"><span class=\"yt-play\" aria-hidden=\"true\"><svg viewBox=\"0 0 68 48\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M66.5 7.7c-.8-2.9-3-5.2-5.9-6C55.3.5 34 .5 34 .5S12.7.5 7.4 1.7c-2.9.8-5.1 3.1-5.9 6C.3 13 .3 24 .3 24s0 11 1.2 16.3c.8 2.9 3 5.2 5.9 6C12.7 47.5 34 47.5 34 47.5s21.3 0 26.6-1.2c2.9-.8 5.1-3.1 5.9-6C67.7 35 67.7 24 67.7 24s0-11-1.2-16.3z\" fill=\"#ff0000\"><\/path><path d=\"M27 34.5l17.5-10.5L27 13.5z\" fill=\"#fff\"><\/path><\/svg><\/span><\/button><\/div>\n      <div class=\"how-points\">\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"7.5\"\/><circle cx=\"9.5\" cy=\"10\" r=\"0.7\" fill=\"currentColor\" stroke=\"none\"\/><circle cx=\"14.3\" cy=\"9\" r=\"0.7\" fill=\"currentColor\" stroke=\"none\"\/><circle cx=\"13\" cy=\"14.5\" r=\"0.7\" fill=\"currentColor\" stroke=\"none\"\/><circle cx=\"9.8\" cy=\"14\" r=\"0.7\" fill=\"currentColor\" stroke=\"none\"\/><\/svg><\/div><div><h4>Why optics film<\/h4><p>Curing silicone and reaction deposits build on the probe optics as production runs. A filmed window means drifting spectra first, useless spectra later - in strongly fouling media within hours to days.<\/p><\/div><\/div>\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"6\"\/><path d=\"M12 2.5V6M12 18v3.5M2.5 12H6M18 12h3.5\"\/><\/svg><\/div><div><h4>The cycle preserves measurement geometry<\/h4><p>The probe retracts from the medium, the optical window is rinsed, and the probe returns to the same measurement position. Geometry stays fixed, so readings stay comparable across the whole campaign.<\/p><\/div><\/div>\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"8\"\/><path d=\"M12 8v4.5l3 1.8\"\/><\/svg><\/div><div><h4>Windows and zones for silicone service<\/h4><p>Fused silica is standard; a sapphire (Al&#8322;O&#8323;) window handles corrosive chlorosilane and HCl media. The probe runs ATEX\/IECEx Zone 0, on a 30 mW laser where the zone requires it.<\/p><\/div><\/div>\n      <\/div>\n    <\/div>\n    <div class=\"how-grid\" style=\"margin-top:44px\">\n      <div class=\"reveal\">\n        <h3 style=\"font-size:20px;color:var(--gk-navy-deep);margin-bottom:14px\">A capability, not an accessory<\/h3>\n        <p style=\"line-height:1.65\">Without self-cleaning, a process probe in silicone service needs manual cleaning - and manual cleaning means breaking a continuous measurement. The module is integrated with Spectrally X1 PROBE and Spectrally X1 INLINE, and it is what makes continuous 24\/7 measurement realistic in curing silicone and chlorosilane chemistry.<\/p>\n        <p style=\"line-height:1.65;margin-top:12px\">The cycle runs automatically during production, so there is no manual optics service in the middle of a campaign and no gap in the data your control system sees.<\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- ===== METRIC BAND ===== -->\n<section class=\"band\">\n  <div class=\"wrap\">\n    <div class=\"metrics\" id=\"gkms-metrics\">\n      <div class=\"metric\"><div class=\"mk\">Measurement<\/div><div class=\"mv\" data-to=\"5\" data-suffix=\"s\">0<span class=\"u\">s<\/span><\/div><p>Spectrum to a process value, continuously.<\/p><\/div>\n      <div class=\"metric\"><div class=\"mk\">Lab lag removed<\/div><div class=\"mv\" data-to=\"120\" data-suffix=\"min\">0<span class=\"u\">min<\/span><\/div><p>Up to 120 minutes of GC\/MS wait on residual cyclics, gone.<\/p><\/div>\n      <div class=\"metric\"><div class=\"mk\">Trace resolution<\/div><div class=\"mv\" data-to=\"1\" data-suffix=\"ppm\">0<span class=\"u\">ppm<\/span><\/div><p>Trace components resolved down to single ppm across the platform.<\/p><\/div>\n      <div class=\"metric\"><div class=\"mk\">Deployment<\/div><div class=\"mv\" data-to=\"3\" data-suffix=\"mo\">0<span class=\"u\">mo<\/span><\/div><p>From feasibility to a live inline measurement, 3 to 5.5 months.<\/p><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- ===== 04 \u00b7 CHEMOMETRICS + SPECTRALLY OS ===== -->\n<section id=\"software\" class=\"ctx\">\n  <div class=\"wrap\">\n    <div class=\"sec-head reveal\">\n      <span class=\"num\">04<\/span>\n      <span class=\"eyebrow\">Chemometrics and Spectrally OS<\/span>\n      <h2 class=\"h2\">Spectrally OS turns spectra into operating information.<\/h2>\n      <p class=\"lead\">Raw spectra are useless to an operator. Spectrally OS translates them into concentrations, ratios, PASS-FAIL classifications and alarms - and keeps a logged, auditable history of the models doing the translating.<\/p>\n    <\/div>\n    <div class=\"how-points\" style=\"margin-bottom:56px\">\n      <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><rect x=\"6.5\" y=\"6.5\" width=\"11\" height=\"11\" rx=\"2\"\/><rect x=\"10\" y=\"10\" width=\"4\" height=\"4\" rx=\"1\"\/><path d=\"M9.5 6.5V4M14.5 6.5V4M9.5 20v-2.5M14.5 20v-2.5M6.5 9.5H4M6.5 14.5H4M20 9.5h-2.5M20 14.5h-2.5\"\/><\/svg><\/div><div><h4>CNN core - the workhorse<\/h4><p>A convolutional network reads the whole band structure at once - is this batch fully cured, does this incoming material match the specification. On complex silicone spectra the CNN core outperforms the PLS\/PCA benchmark it is measured against.<\/p><\/div><\/div>\n      <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M4 18L20 7\"\/><circle cx=\"7.5\" cy=\"16\" r=\"1.3\"\/><circle cx=\"12\" cy=\"12.5\" r=\"1.3\"\/><circle cx=\"16.5\" cy=\"9\" r=\"1.3\"\/><\/svg><\/div><div><h4>Regression to numbers<\/h4><p>The model maps the spectrum to numbers - vinyl and silanol content, residual cyclics, chain length and DP - several parameters from a single read.<\/p><\/div><\/div>\n      <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M4 20V5M4 20h15\"\/><circle cx=\"9\" cy=\"14\" r=\"1.2\"\/><circle cx=\"13\" cy=\"10\" r=\"1.2\"\/><circle cx=\"16\" cy=\"13\" r=\"1.2\"\/><circle cx=\"11\" cy=\"7.5\" r=\"1.2\"\/><\/svg><\/div><div><h4>Anomaly detection<\/h4><p>The model reduces a spectrum to its drivers and flags what does not belong - an unexpected fraction in the reactor surfaces as a deviation, not as a customer return.<\/p><\/div><\/div>\n    <\/div>\n    <div class=\"ctx-grid\" style=\"margin-bottom:56px\">\n      <div class=\"ctx-item reveal\"><div class=\"k\">Phase 1<\/div><div class=\"v\">Calibration<\/div><p>Models start from feasibility - typically your process data plus samples measured in the Gekko lab. Built on your silicone matrix, not a generic library.<\/p><\/div>\n      <div class=\"ctx-item reveal\"><div class=\"k\">Phase 2<\/div><div class=\"v\">Validation<\/div><p>Predictions are checked against your reference method - GC\/MS for cyclics, DSC for cure - before the model is trusted in production.<\/p><\/div>\n      <div class=\"ctx-item reveal\"><div class=\"k\">Phase 3<\/div><div class=\"v\">Maintenance<\/div><p>Models are reinforced with your production data as it accumulates. Updates deploy without stopping the analyzer or the line.<\/p><\/div>\n      <div class=\"ctx-item reveal\"><div class=\"k\">Phase 4<\/div><div class=\"v\">Re-calibration<\/div><p>Scheduled when the grade, catalyst or process parameters change. A model change - not a platform redesign.<\/p><\/div>\n    <\/div>\n    <div class=\"product\">\n      <div class=\"tp-photo reveal\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/inline-stand-piping-4.png\" alt=\"Spectrally X1 INLINE analyzer mounted on a plant stand with process piping\"><\/div>\n      <div class=\"reveal\">\n        <h3 style=\"font-size:20px;color:var(--gk-navy-deep);margin-bottom:8px\">Spectrally OS at a glance<\/h3>\n        <p style=\"line-height:1.65\">One model layer runs across Spectrally X1 LAB, X1 PORTABLE and X1 INLINE, so a model built during feasibility migrates to the process instrument. Routine operation uses no reagents and no consumables.<\/p>\n        <table class=\"spec-table\">\n          <tr><td>Supported instruments<\/td><td>Spectrally X1 LAB \/ PORTABLE \/ INLINE<\/td><\/tr>\n          <tr><td>Predictive models<\/td><td>AI \/ advanced chemometrics, CNN core (PLS\/PCA benchmark)<\/td><\/tr>\n          <tr><td>Spectra database<\/td><td>Proprietary + public, ~28,000 spectra<\/td><\/tr>\n          <tr><td>Operator interface<\/td><td>SpectrallyUI<\/td><\/tr>\n          <tr><td>Operating system<\/td><td>Debian GNU\/Linux 13.2<\/td><\/tr>\n          <tr><td>Calibration<\/td><td>Automatic, from a built-in reference signal<\/td><\/tr>\n          <tr><td>Data export<\/td><td>CSV, PDF, RAW<\/td><\/tr>\n          <tr><td>User management<\/td><td>Role-based access control (RBAC)<\/td><\/tr>\n          <tr><td>Data storage<\/td><td>Local database - logging continues without a network<\/td><\/tr>\n          <tr><td>Model updates<\/td><td>Deployed without stopping the analyzer<\/td><\/tr>\n        <\/table>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- ===== 05 \u00b7 OT \/ IT INTEGRATION ===== -->\n<section id=\"integration\" class=\"band\">\n  <div class=\"wrap\">\n    <div class=\"sec-head reveal\">\n      <span class=\"num\">05<\/span>\n      <span class=\"eyebrow no-line\" style=\"color:var(--gk-blue-400)\">OT \/ IT integration<\/span>\n      <h2 class=\"h2\" style=\"color:#fff;margin-top:12px\">A value counts when it lands in your control system.<\/h2>\n      <p class=\"lead\" style=\"color:#C8D0DC\">Spectrally streams process values - not raw spectra - into the plant's control and data layers. SpectrallyUI shows trends and alerts at the analyzer; the same values reach your PLC \/ DCS, where a reading can drive a setpoint correction, an alarm, a quality report or a batch hold.<\/p>\n    <\/div>\n    <div class=\"reg-grid\" style=\"margin-bottom:20px\">\n      <div class=\"reg reveal\"><span class=\"flag\">Control layer<\/span><h4>PLC \/ DCS<\/h4><p>Values arrive as process signals over PROFIBUS or PROFINET - unified across all Spectrally products. To the operator, the analyzer reads like any other instrument on the loop.<\/p><\/div>\n      <div class=\"reg reveal\"><span class=\"flag\">Data layer<\/span><h4>MES \/ SCADA \/ LIMS<\/h4><p>Configured per site: batch context in MES, trending and supervision in SCADA, reconciliation with lab records in LIMS.<\/p><\/div>\n      <div class=\"reg reveal\"><span class=\"flag\">Connectivity<\/span><h4>GSM and export<\/h4><p>GSM is available across the product line alongside the fieldbus protocols. Data exports in CSV, PDF and RAW for reporting and archive.<\/p><\/div>\n    <\/div>\n    <div class=\"reg-grid\">\n      <div class=\"reg reveal\"><span class=\"flag\">OT policy<\/span><h4>Network fit<\/h4><p>Segmentation, white-listing, no open ports to the corporate network - typical OT policies are scoped with your automation and IT teams during integration.<\/p><\/div>\n      <div class=\"reg reveal\"><span class=\"flag\">IEC 62443<\/span><h4>Industrial cyber<\/h4><p>IEC 62443 expectations for industrial automation systems are addressed in integration scoping, together with backup and recovery of measurement data.<\/p><\/div>\n      <div class=\"reg reveal\"><span class=\"flag\">Audit<\/span><h4>Time-stamped batch record<\/h4><p>Measurement and logging run on a local database, so a continuous, time-stamped composition and cure record accrues per batch - and model changes are logged and auditable.<\/p><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<div class=\"pager\">\n    <span><a href=\"\/specialty-silicones\/what-we-measure\/\">&larr; What we measure<\/a><\/span>\n    <span><a href=\"\/specialty-silicones\/proof\/\">Proof &rarr;<\/a><\/span>\n  <\/div>\n<section id=\"contact\">\n    <div class=\"wrap\">\n      <div class=\"cta reveal\">\n        <span class=\"eyebrow no-line\" style=\"color:#fff;justify-content:center\">Your next step<\/span>\n        <h2 class=\"h2\">Run the full chain on your own silicone.<\/h2>\n        <p>A feasibility study starts with representative samples or process data from your silicone stream. Gekko builds the chemometric model on your matrix, benchmarks it against your reference method - GC\/MS or DSC - and hands back the spectra, band assignments and the validated numbers behind your Si-H, vinyl and cyclics questions, before any hardware decision.<\/p>\n        <form class=\"gkms-form\" data-region=\"m5-specialty-silicones\" data-region-label=\"Microsite M5 - Industrial and specialty silicones\" data-source=\"microsite-m5-how-it-works\" novalidate>\n          <div class=\"gkms-form-q\">What would you like to do?<\/div>\n          <div class=\"gkms-choices\" role=\"radiogroup\" aria-label=\"What would you like to do?\">\n            <button type=\"button\" class=\"gkms-opt is-sel\" data-val=\"feasibility\" role=\"radio\" aria-checked=\"true\">Feasibility study<\/button>\n            <button type=\"button\" class=\"gkms-opt\" data-val=\"workshop\" role=\"radio\" aria-checked=\"false\">Workshop seat<\/button>\n            <button type=\"button\" class=\"gkms-opt\" data-val=\"info\" role=\"radio\" aria-checked=\"false\">Send info<\/button>\n          <\/div>\n          <p class=\"gkms-hint\" id=\"gkms-hint\"><\/p>\n          <div class=\"gkms-row\">\n            <input type=\"email\" class=\"gkms-email\" name=\"email\" required placeholder=\"you@company.com\" autocomplete=\"email\" aria-label=\"Your work email\">\n            <button type=\"submit\" class=\"btn btn-light gkms-submit\">Send request<\/button>\n          <\/div>\n          <input type=\"text\" class=\"gkms-hp\" name=\"company_hp\" tabindex=\"-1\" autocomplete=\"off\" aria-hidden=\"true\">\n          <label class=\"gkms-consent\"><input type=\"checkbox\" class=\"gkms-consent-cb\" name=\"consent\" required><span>By submitting this form, I confirm I have read and understood the <a href=\"https:\/\/gekkophotonics.com\/en\/privacy-policy\/\" target=\"_blank\" rel=\"noopener\">privacy policy<\/a> <span class=\"gkms-req\">*<\/span><\/span><\/label>\n          <p class=\"gkms-msg\" aria-live=\"polite\"><\/p>\n        <\/form>\n        <p class=\"cta-alt\"><a href=\"https:\/\/gekkophotonics.com\/products\/spectrally-inline\/\">Explore Spectrally X1 INLINE -&gt;<\/a><\/p>\n      <\/div>\n    <\/div>\n  <\/section>\n<footer class=\"foot\">\n    <div class=\"wrap\">\n      <div class=\"foot-grid\">\n        <div>\n          <img decoding=\"async\" class=\"flogo\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/logo-full-4.png\" alt=\"Gekko Photonics\">\n          <p class=\"ftag\">Engineering-Driven Analytics. Real-time process composition with inline Raman spectroscopy.<\/p>\n        <\/div>\n        <div>\n          <h5>Platform<\/h5>\n          <a href=\"https:\/\/gekkophotonics.com\/products\/spectrally-inline\/\">Spectrally X1 INLINE<\/a>\n          <a href=\"https:\/\/gekkophotonics.com\/\">Spectrally X1 PROBE<\/a>\n          <a href=\"https:\/\/gekkophotonics.com\/\">Spectrally OS<\/a>\n        <\/div>\n        <div>\n          <h5>This mini-site<\/h5>\n          <a href=\"\/specialty-silicones\/chemistry\/\">Chemistry<\/a>\n          <a href=\"\/specialty-silicones\/what-we-measure\/\">What we measure<\/a>\n          <a href=\"\/specialty-silicones\/how-it-works\/\">How it works<\/a>\n          <a href=\"\/specialty-silicones\/proof\/\">Proof<\/a>\n          <a href=\"\/specialty-silicones\/compliance\/\">Compliance<\/a>\n          <a href=\"\/specialty-silicones\/instrument\/\">Instrument<\/a>\n        <\/div>\n        <div>\n          <h5>Contact<\/h5>\n          <a href=\"mailto:contact@gekkophotonics.com\">contact@gekkophotonics.com<\/a>\n          <a href=\"https:\/\/gekkophotonics.com\/\">gekkophotonics.com<\/a>\n          <div class=\"addr\">NextCorps, 260 E. Main Street, Suite 6000<br>Rochester, NY 14604, USA<\/div>\n        <\/div>\n      <\/div>\n      <div class=\"fbottom\">\n        <span>&copy; 2026 Gekko Photonics Sp. z o.o. Installation and service by authorized Gekko Photonics technicians only.<\/span>\n        <span class=\"tagpl\">Engineering-Driven Analytics<\/span>\n      <\/div>\n    <\/div>\n  <\/footer>\n<\/div>\n\n<script>\n(function(){\n  var root=document.getElementById('gkms'); if(!root||root.dataset.init)return; root.dataset.init=\"1\";\n\n  var bar=root.querySelector('#gkms-progress');\n  if(bar){window.addEventListener('scroll',function(){\n    var h=document.documentElement,b=document.body;\n    var st=(h.scrollTop||b.scrollTop),sh=(h.scrollHeight-h.clientHeight);\n    bar.style.width=(sh>0?(st\/sh*100):0)+'%';\n  },{passive:true});}\n\n  root.querySelectorAll('a[href^=\"#\"]').forEach(function(a){\n    a.addEventListener('click',function(e){\n      var t=root.querySelector(a.getAttribute('href')); if(!t)return;\n      e.preventDefault(); window.scrollTo({top:t.offsetTop-70,behavior:'smooth'});\n    });\n  });\n\n  var io=new IntersectionObserver(function(es){es.forEach(function(en){if(en.isIntersecting){en.target.classList.add('in');io.unobserve(en.target);}});},{threshold:0.14});\n  root.querySelectorAll('.reveal').forEach(function(el){io.observe(el);});\n\n  root.querySelectorAll('.tab').forEach(function(t){\n    t.addEventListener('click',function(){\n      root.querySelectorAll('.tab').forEach(function(x){x.classList.remove('active');});\n      root.querySelectorAll('.tabpanel').forEach(function(x){x.classList.remove('active');});\n      t.classList.add('active');\n      var p=root.querySelector('.tabpanel[data-panel=\"'+t.dataset.tab+'\"]'); if(p)p.classList.add('active');\n    });\n  });\n\n  if(root.querySelector('#gkms-analytes')){\n    var A=[\n      {n:'Siloxane chain length \/ DP', d:'The molecular-weight property silicone performance rides on, tracked from the spectrum instead of inferred from a viscosity proxy.', x:150, lab:'DP &middot; MW'},\n      {n:'Silanol (Si-OH) content', d:'Functional-group control during PDMS condensation, read live as the reaction runs instead of after the fact.', x:210, lab:'Si-OH'},\n      {n:'Vinyl content', d:'The addition-cure handle, read from the vinyl C=C band near 1600 cm&#8315;&sup1;.', x:300, lab:'~1600 cm&#8315;&sup1;'},\n      {n:'Residual cyclics D4\/D5\/D6', d:'The regulated by-product, read from the siloxane band near 490 cm&#8315;&sup1; - cyclic versus linear - continuously instead of by a 60-120 min GC\/MS slot.', x:90, lab:'~490 cm&#8315;&sup1;'},\n      {n:'Cure state (LSR\/HCR\/RTV)', d:'Crosslinking confirmed in-process from the vanishing Si-H band near 2160 cm&#8315;&sup1; and vinyl C=C near 1600 cm&#8315;&sup1;.', x:400, lab:'~2160 cm&#8315;&sup1;'},\n      {n:'Chlorosilane D\/T\/M composition', d:'The Me2SiCl2 \/ MeSiCl3 \/ Me3SiCl ratio inline after the Muller-Rochow reactor, via a sapphire-window probe.', x:500, lab:'D\/T\/M'}\n    ];\n    var mk=root.querySelector('#gkms-marker'),ml=root.querySelector('#gkms-mlabel'),\n        sn=root.querySelector('#gkms-sdname'),sd=root.querySelector('#gkms-sddesc'),rd=root.querySelector('#gkms-spread');\n    function selA(i){\n      root.querySelectorAll('.analyte').forEach(function(b){b.classList.toggle('active',+b.dataset.a===i);});\n      var a=A[i]; if(!a||!mk)return;\n      mk.setAttribute('x1',a.x); mk.setAttribute('x2',a.x); mk.classList.add('on');\n      ml.setAttribute('x', a.x>540? a.x-70 : a.x+6); ml.textContent=a.lab; ml.classList.add('on');\n      sn.textContent=a.n; sd.textContent=a.d;\n      rd.textContent='Silicone reactor \u00b7 '+a.lab+' locked';\n    }\n    root.querySelectorAll('.analyte').forEach(function(b){b.addEventListener('click',function(){selA(+b.dataset.a);});});\n    selA(0);\n  }\n\n  var vio=new IntersectionObserver(function(es){es.forEach(function(en){\n    if(en.isIntersecting){en.target.querySelectorAll('.vbar span').forEach(function(s){s.style.width=s.dataset.w+'%';});vio.unobserve(en.target);}\n  });},{threshold:0.3});\n  root.querySelectorAll('.versus').forEach(function(el){vio.observe(el);});\n\n  root.querySelectorAll('.yt-facade').forEach(function(btn){\n    btn.addEventListener('click',function(){\n      var id=btn.getAttribute('data-yt'); if(!id)return;\n      var ifr=document.createElement('iframe');\n      ifr.src='https:\/\/www.youtube-nocookie.com\/embed\/'+id+'?autoplay=1&rel=0&modestbranding=1';\n      ifr.setAttribute('allow','autoplay; encrypted-media; picture-in-picture; web-share');\n      ifr.setAttribute('allowfullscreen','');\n      ifr.setAttribute('title','Spectrally self-cleaning probe cycle');\n      var wrap=btn.closest('.vid-embed')||btn.parentElement;\n      wrap.innerHTML=''; wrap.appendChild(ifr);\n    });\n  });\n\n  var cyc=root.querySelector('#gkms-cycle'),ci=0;\n  if(cyc){setInterval(function(){\n    var steps=cyc.querySelectorAll('.cyc-step'); steps.forEach(function(s){s.classList.remove('on');});\n    steps[ci].classList.add('on'); ci=(ci+1)%steps.length;\n  },1300);}\n\n  function countUp(el){\n    var to=parseFloat(el.dataset.to),dec=+(el.dataset.dec||0),suf=el.dataset.suffix||'',pre=el.dataset.prefix||'';\n    var t0=null,dur=1400;\n    function step(ts){ if(!t0)t0=ts; var p=Math.min((ts-t0)\/dur,1); var e=1-Math.pow(1-p,3); var val=(to*e).toFixed(dec);\n      el.innerHTML=pre+val+(suf?'<span class=\"u\">'+suf+'<\/span>':''); if(p<1)requestAnimationFrame(step);}\n    requestAnimationFrame(step);\n  }\n  var mio=new IntersectionObserver(function(es){es.forEach(function(en){\n    if(en.isIntersecting){en.target.querySelectorAll('.mv').forEach(countUp);mio.unobserve(en.target);}\n  });},{threshold:0.4});\n  root.querySelectorAll('.metrics').forEach(function(el){mio.observe(el);});\n})();\n<\/script>\n\n<script>\n(function(){\n  var form=document.querySelector('#gkms .gkms-form'); if(!form||form.dataset.init) return; form.dataset.init='1';\n  var opts=form.querySelectorAll('.gkms-opt'), msg=form.querySelector('.gkms-msg'),\n      submitBtn=form.querySelector('.gkms-submit'), hint=form.querySelector('#gkms-hint'), chosen='feasibility';\n  var SRC=form.getAttribute('data-source')||'microsite-m5';\n  var HUB='\/usa-workshops\/?utm_source=microsite&utm_medium=microsite&utm_campaign=usa-workshops&utm_content=m5-specialty-silicones';\n  var LABEL={ feasibility:'Send request', workshop:'See workshop dates', info:'Send info' };\n  var HINT={\n    feasibility:'Feasibility runs on your samples in the Gekko lab - no hardware to buy to find out whether it works.',\n    workshop:'One-day, on-site workshops at nine US locations in 2026 - a live demonstration on the instrument, 20 seats a day, free to attend. Pick your city on the next step.',\n    info:'We will email an overview, specs and a sample report for your process - no meeting required.'\n  };\n  function apply(){ if(submitBtn && !submitBtn.classList.contains('is-check')) submitBtn.textContent=LABEL[chosen]||'Send request'; if(hint) hint.textContent=HINT[chosen]||''; }\n  opts.forEach(function(b){ b.addEventListener('click',function(){ chosen=b.getAttribute('data-val');\n    opts.forEach(function(x){ var on=x===b; x.classList.toggle('is-sel',on); x.setAttribute('aria-checked',on?'true':'false'); });\n    if(msg){ msg.textContent=''; msg.className='gkms-msg'; } apply(); }); });\n  apply();\n  form.addEventListener('submit',function(e){ e.preventDefault();\n    var email=(form.querySelector('.gkms-email').value||'').trim();\n    if(!chosen){ msg.className='gkms-msg err'; msg.textContent='Please choose an option.'; return; }\n    if(!\/^[^@\\s]+@[^@\\s]+\\.[^@\\s]+$\/.test(email)){ msg.className='gkms-msg err'; msg.textContent='Please enter a valid email address.'; return; }\n    var cc=form.querySelector('.gkms-consent-cb');\n    if(cc && !cc.checked){ msg.className='gkms-msg err'; msg.textContent='Please confirm you have read the privacy policy.'; return; }\n    var old=submitBtn.textContent; submitBtn.disabled=true; submitBtn.textContent='Sending...';\n    var payload={ email:email, response:chosen, region:form.getAttribute('data-region')||'', region_label:form.getAttribute('data-region-label')||'', consent:(cc&&cc.checked)?'yes':'', source:SRC, page_url:location.href, page_title:document.title, company_hp:(form.querySelector('.gkms-hp').value||'') };\n    try{ var q=new URLSearchParams(location.search); ['utm_source','utm_medium','utm_campaign','utm_term','utm_content'].forEach(function(k){ var v=q.get(k); if(v) payload[k]=v; }); }catch(_){}\n    fetch('\/wp-json\/gekko\/v1\/rsvp',{ method:'POST', headers:{'Content-Type':'application\/json'}, body:JSON.stringify(payload) })\n      .then(function(r){ return r.json().catch(function(){ return {ok:false}; }); })\n      .then(function(d){ if(d&&d.ok){\n          if(chosen==='workshop'){\n            submitBtn.classList.add('is-check'); submitBtn.disabled=false;\n            submitBtn.innerHTML='<svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M20 6L9 17l-5-5\"\/><\/svg> Taking you to the workshops';\n            if(msg){ msg.className='gkms-msg'; msg.textContent=''; }\n            setTimeout(function(){ window.location.href=HUB; }, 950);\n          } else {\n            var t= chosen==='feasibility' ? 'Thanks - we will reply with the next steps for a feasibility study on your samples.' : 'Thanks - we will send the information shortly.';\n            form.className='gkms-form gkms-done'; form.textContent=t;\n          }\n        } else { msg.className='gkms-msg err'; msg.textContent='Something went wrong. Please try again, or email contact@gekkophotonics.com.'; submitBtn.disabled=false; submitBtn.textContent=old; } })\n      .catch(function(){ msg.className='gkms-msg err'; msg.textContent='Network error. Please try again.'; submitBtn.disabled=false; submitBtn.textContent=old; });\n  });\n})();\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":2898,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_canvas","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2901","page","type-page","status-publish","hentry"],"blocksy_meta":[],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/gekkophotonics.com\/de\/wp-json\/wp\/v2\/pages\/2901","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gekkophotonics.com\/de\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gekkophotonics.com\/de\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gekkophotonics.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gekkophotonics.com\/de\/wp-json\/wp\/v2\/comments?post=2901"}],"version-history":[{"count":0,"href":"https:\/\/gekkophotonics.com\/de\/wp-json\/wp\/v2\/pages\/2901\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/gekkophotonics.com\/de\/wp-json\/wp\/v2\/pages\/2898"}],"wp:attachment":[{"href":"https:\/\/gekkophotonics.com\/de\/wp-json\/wp\/v2\/media?parent=2901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}