{"id":9061,"date":"2026-09-10T14:27:03","date_gmt":"2026-09-10T14:27:03","guid":{"rendered":"https:\/\/www.westernoptronics.com\/?page_id=9061"},"modified":"2026-11-01T05:58:27","modified_gmt":"2026-11-01T05:58:27","slug":"home-elsfp","status":"publish","type":"page","link":"https:\/\/www.westernoptronics.com\/ru\/","title":{"rendered":"\u0413\u043b\u0430\u0432\u043d\u0430\u044f"},"content":{"rendered":"<p><style>\r\n@import url(\"https:\/\/fonts.googleapis.com\/css2?family=Manrope:wght@400;500;600;700;800&family=Source+Sans+3:wght@400;500;600;700&display=swap\");\r\n#wo-home{--navy:#0b1830;--ink:#16243a;--muted:#5c6b7c;--cyan:#66dfdc;--line:#dbe3e9;--wash:#f2f5f7;--white:#fff}\r\n#wo-home *{box-sizing:border-box}\r\nhtml{scroll-behavior:smooth;scroll-padding-top:24px}\r\n#wo-home{margin:0;color:var(--ink);background:white;font-family:'Source Sans 3',Calibri,sans-serif;font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased}\r\n#wo-home a{color:inherit;text-decoration:none}\r\n#wo-home a:focus-visible,#wo-home summary:focus-visible{outline:3px solid #14938f;outline-offset:5px}\r\n#wo-home img{display:block;max-width:100%}\r\n#wo-home h1,#wo-home h2,#wo-home h3,#wo-home p{margin:0}\r\n#wo-home h1,#wo-home h2,#wo-home h3,#wo-home .brand,#wo-home .btn,#wo-home .kicker,#wo-home .mono,#wo-home .nav{font-family:Manrope,'Trebuchet MS',sans-serif}\r\n#wo-home h1,#wo-home h2,#wo-home h3{text-wrap:balance;line-height:1.18;letter-spacing:-.04em}\r\n#wo-home h1{font-size:62px;font-weight:600}\r\n#wo-home h2{font-size:42px;font-weight:600}\r\n#wo-home h3{font-size:25px;font-weight:700}\r\n#wo-home .wrap{width:min(1200px,calc(100% - 80px));margin:auto}\r\n#wo-home .skip{position:absolute;top:-100px;left:24px;background:#fff;padding:10px;z-index:10}\r\n#wo-home .skip:focus{top:10px}\r\n#wo-home .topbar{border-bottom:1px solid #e7ecf0;padding:9px 0;font-size:12px;color:#586577;letter-spacing:.04em}\r\n#wo-home .topbar 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.contact-block>a.email{display:block;font-size:22px;font-weight:600;overflow-wrap:anywhere}\r\n#wo-home .contact-block .btn{margin-top:24px}\r\n#wo-home .footer{background:var(--navy);color:#aebbc9;font-size:12px}\r\n#wo-home .footer .wrap{border-top:1px solid #334056;padding:26px 0 28px;display:flex;justify-content:space-between;gap:25px}\r\n#wo-home .footer a:hover{color:var(--cyan)}\r\n#wo-home .footer p+p{margin-top:3px}\r\n#wo-home .design-note{position:fixed;bottom:12px;left:12px;z-index:20;background:rgba(255,255,255,.96);box-shadow:0 3px 18px #0002;padding:6px 10px;border:1px solid #dbe3e9;border-radius:4px;color:#5c6b7c;font-size:10px;backdrop-filter:blur(8px)}\r\n@media(min-width:1600px){#wo-home .hero{padding-top:74px}\r\n#wo-home .hero-art img{height:350px}}\r\n@media(max-width:1050px){#wo-home .wrap{width:calc(100% - 48px)}\r\n#wo-home h1{font-size:48px}\r\n#wo-home .hero-grid{gap:32px;grid-template-columns:1.08fr 1fr}\r\n#wo-home .hero-art img{height:310px}\r\n#wo-home .hero .actions{gap:10px}\r\n#wo-home .btn{padding:10px 15px;gap:0}\r\n#wo-home .nav{gap:20px}\r\n#wo-home .brand img{width:260px}\r\n#wo-home .stat{display:block}\r\n#wo-home .stat span{display:block;margin-top:6px}\r\n#wo-home .categories{grid-template-columns:repeat(2,1fr)}\r\n#wo-home .section-head{gap:30px}\r\n#wo-home .section-head h2{font-size:36px}\r\n#wo-home .product-body{padding:22px}\r\n#wo-home .product-visual{padding:20px 22px 0}\r\n#wo-home .product-visual img{height:220px}\r\n#wo-home .cta-grid{gap:35px}\r\n#wo-home .contact-block{padding-left:32px}\r\n#wo-home .contact-block>a.email{font-size:19px}}\r\n@media(max-width:700px){#wo-home .wrap{width:calc(100% - 40px)}\r\n#wo-home .topbar{font-size:10px}\r\n#wo-home .topbar .wrap>span:last-child{display:none}\r\n#wo-home .header .wrap{min-height:76px;gap:16px;position:relative}\r\n#wo-home .brand img{width:242px}\r\n#wo-home .nav{display:none}\r\n#wo-home .menu{display:block;font-family:Manrope,sans-serif;font-size:12px}\r\n#wo-home .menu summary{cursor:pointer;list-style:none;border:1px solid var(--line);padding:8px 10px;border-radius:3px}\r\n#wo-home .menu summary::-webkit-details-marker{display:none}\r\n#wo-home .menu-links{position:absolute;right:0;top:66px;padding:12px 18px;border:1px solid var(--line);background:#fff;z-index:30;min-width:160px;box-shadow:0 12px 25px #07112215}\r\n#wo-home .menu-links a{display:block;padding:9px 0}\r\n#wo-home .hero{padding-top:40px}\r\n#wo-home .hero-grid{grid-template-columns:1fr;gap:34px}\r\n#wo-home h1{font-size:43px;line-height:1.14;letter-spacing:-.055em}\r\n#wo-home .hero h1{margin-top:17px;max-width:480px}\r\n#wo-home .hero .lead{font-size:17px;margin-top:19px;max-width:450px}\r\n#wo-home .hero .actions{margin-top:24px;gap:10px}\r\n#wo-home .actions .btn{font-size:11px}\r\n#wo-home .hero-art{width:100%;max-width:540px}\r\n#wo-home .hero-art img{height:270px;object-fit:cover}\r\n#wo-home .art-label{padding:16px 18px 0;font-size:9px}\r\n#wo-home .art-bottom{padding:14px 18px;font-size:10px}\r\n#wo-home .hero-stats{margin-top:30px;gap:10px;padding:24px 0}\r\n#wo-home .stat strong{font-size:21px}\r\n#wo-home .stat span{font-size:10px;line-height:1.4}\r\n#wo-home .section{padding:53px 0}\r\n#wo-home .section-head{display:block;margin-bottom:27px}\r\n#wo-home .section-head h2{font-size:32px}\r\n#wo-home .section-head p{margin-top:15px;max-width:420px}\r\n#wo-home .section-head .kicker{margin-bottom:12px}\r\n#wo-home .product-grid{grid-template-columns:1fr;gap:22px}\r\n#wo-home .product-visual img{height:235px}\r\n#wo-home .product-body{padding:21px}\r\n#wo-home .product-body h3{font-size:24px}\r\n#wo-home .product-desc{min-height:0}\r\n#wo-home .product-actions .btn{min-height:46px}\r\n#wo-home .categories{gap:12px}\r\n#wo-home .category{padding:21px 16px;min-height:239px}\r\n#wo-home .category h3{font-size:18px;line-height:1.2}\r\n#wo-home .category p{font-size:13px}\r\n#wo-home .category-top{margin-bottom:23px}\r\n#wo-home .portfolio-links{display:block}\r\n#wo-home .portfolio-links .text-link{display:inline-block;margin-top:15px}\r\n#wo-home .cta{padding:47px 0}\r\n#wo-home .cta-grid{grid-template-columns:1fr;gap:31px}\r\n#wo-home .cta h2{font-size:32px}\r\n#wo-home .contact-block{border-left:0;border-top:1px solid #334056;padding:24px 0 0}\r\n#wo-home .contact-block>a.email{font-size:21px}\r\n#wo-home .footer .wrap{display:block;padding-bottom:36px}\r\n#wo-home .footer .wrap>div+div{margin-top:15px}\r\n#wo-home .design-note{position:static;box-shadow:none;text-align:center;border:0;border-radius:0;border-top:1px solid #e0e7ec;font-size:10px}\r\n#wo-home .product-note{font-size:11px}\r\n#wo-home .kicker{font-size:10px}}\r\n@media(max-width:370px){#wo-home .brand img{width:205px}\r\n#wo-home h1{font-size:38px}\r\n#wo-home .wrap{width:calc(100% - 32px)}\r\n#wo-home .hero .actions{flex-direction:column;align-items:stretch}\r\n#wo-home .stat strong{font-size:18px}\r\n#wo-home .categories{grid-template-columns:1fr}\r\n#wo-home .category{min-height:190px}\r\n#wo-home .product-actions{gap:10px}\r\n#wo-home .text-link{font-size:12px}}\r\n@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}\r\n#wo-home *{transition:none!important}}\r\n\r\n\r\n\r\n\/* Portfolio cards: desktop, tablet and mobile *\/\r\n#wo-home .portfolio .section-head{align-items:flex-end;gap:40px}\r\n#wo-home .portfolio .section-head .kicker{font-size:12px;max-width:none;white-space:nowrap;margin-bottom:14px}\r\n#wo-home .portfolio .section-head h2{line-height:1.2}\r\n#wo-home .portfolio .categories{grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:1fr;align-items:stretch;gap:20px}\r\n#wo-home .portfolio .category{position:relative;min-width:0;min-height:292px;padding:28px 24px;border:1px solid var(--line);border-radius:4px;background:#fff;display:flex;flex-direction:column;transform:none;transition:border-color .2s,box-shadow .2s}\r\n#wo-home .portfolio .category:hover{transform:none;border-color:#138d88;box-shadow:0 6px 18px rgba(11,24,48,.05)}\r\n#wo-home .portfolio .category:focus-within{outline:2px solid #138d88;outline-offset:3px}\r\n#wo-home .portfolio .category-top{font-size:11px;letter-spacing:.035em;line-height:1.5;min-height:18px;align-items:center;gap:12px;margin-bottom:22px}\r\n#wo-home .portfolio .category h3{font-size:21px;line-height:1.3;letter-spacing:-.025em;min-height:56px;margin:0 0 16px;overflow-wrap:normal;word-break:normal}\r\n#wo-home .portfolio .category h3 a:after{content:\"\";position:absolute;inset:0}\r\n#wo-home .portfolio .category p{font-size:16px;line-height:1.65;max-width:none;margin:0;color:var(--muted)}\r\n#wo-home .portfolio .portfolio-links{border-top:1px solid var(--line);margin-top:28px;padding-top:22px;gap:24px}\r\n@media(max-width:1050px){#wo-home .portfolio .categories{grid-template-columns:repeat(2,minmax(0,1fr))}#wo-home .portfolio .category{min-height:244px}}\r\n@media(max-width:700px){#wo-home .portfolio .section-head{margin-bottom:24px}#wo-home .portfolio .section-head h2{font-size:30px}#wo-home .portfolio .categories{grid-template-columns:minmax(0,1fr);grid-auto-rows:auto;gap:16px}#wo-home .portfolio .category{padding:24px;min-height:0}#wo-home .portfolio .category-top{margin-bottom:16px}#wo-home .portfolio .category h3{font-size:22px;min-height:0;margin-bottom:12px}#wo-home .portfolio .category p{font-size:16px}#wo-home .portfolio .portfolio-links{margin-top:24px;padding-top:20px}}\r\n\r\n\/* Product specifications and contact access *\/\r\n#wo-home .home-spec-row{display:grid;grid-template-columns:minmax(118px,.85fr) minmax(0,1.4fr);gap:12px;align-items:start;padding:12px 0;border-top:1px solid #dce4ea;font-size:14px;line-height:1.55}\r\n#wo-home .home-spec-row>span{color:#566b80}\r\n#wo-home .home-spec-row>strong{font-weight:600;overflow-wrap:anywhere}\r\n#wo-home .product-actions{margin-top:24px;flex-wrap:wrap}\r\n#wo-home .topbar>.wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}\r\n#wo-home .home-language-switcher{letter-spacing:normal;text-transform:none;position:relative;z-index:50}\r\n#wo-home .home-language-switcher .trp-language-switcher{height:auto}\r\n#wo-home .art-label{display:flex;align-items:center;gap:10px;flex-wrap:wrap}\r\n#wo-home .art-label .mono{margin-left:auto}\r\n#wo-home .home-quick-contact{display:none}\r\n#wo-home .home-compare{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;line-height:1.6}\r\n#wo-home .home-compare th,#wo-home .home-compare td{padding:14px;border:1px solid #dce4ea;text-align:left;vertical-align:top;overflow-wrap:anywhere}\r\n#wo-home .home-compare thead th{background:#edf3f6}\r\n#wo-home .home-compare caption{text-align:left;font-size:20px;font-weight:600;margin-bottom:14px}\r\n#wo-home .compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}\r\n#wo-home .compare-scroll .home-compare{min-width:540px}\r\n#wo-home .home-quote-note{font-size:14px;line-height:1.7;color:#566b80;margin:20px 0 0}\r\n@media(max-width:700px){\r\n#wo-home{padding-bottom:78px}\r\n#wo-home .topbar>.wrap{gap:8px 12px}\r\n#wo-home .topbar>.wrap>span{font-size:9px;line-height:1.6}\r\n#wo-home .topbar>.wrap>span:nth-child(2){display:none}\r\n#wo-home .home-spec-row{grid-template-columns:minmax(100px,.85fr) minmax(0,1.3fr);font-size:13px;gap:10px}\r\n#wo-home .home-quick-contact{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid #dce4ea;z-index:999;box-shadow:0 -3px 18px #09283d10}\r\n#wo-home .home-quick-contact a{display:flex;align-items:center;justify-content:center;min-height:44px;font-size:14px;font-weight:600;border:1px solid #092b43;border-radius:3px;color:#092b43}\r\n#wo-home .home-quick-contact > a:first-child{background:#092b43;color:#fff}\r\n#wo-home .home-office-call{min-width:0}\r\n#wo-home .home-office-call > .js-geoip-detect-show-if{display:block}\r\n#wo-home .home-office-call > .geoip-shown ~ .home-office-fallback{display:none}\r\n#wo-home .home-compare th,#wo-home .home-compare td{padding:10px}\r\n}\r\n\r\n\r\n\/* 800G OSFP transceivers *\/\r\n#wo-home .osfp-products{padding-top:0}\r\n#wo-home .osfp-products .wrap{border-top:1px solid var(--line);padding-top:72px}\r\n#wo-home .osfp-products .product{min-width:0}\r\n#wo-home .osfp-products .product-visual img{object-fit:contain;object-position:center;height:264px;padding:18px 0}\r\n#wo-home .osfp-products .model{font-size:12px}\r\n#wo-home .osfp-products .product-desc{margin:16px 0 20px;min-height:52px}\r\n#wo-home .osfp-products .product-actions{margin-top:auto;padding-top:24px}\r\n@media(max-width:700px){\r\n#wo-home .osfp-products .wrap{padding-top:44px}\r\n#wo-home .osfp-products .product-grid{grid-template-columns:minmax(0,1fr)}\r\n#wo-home .osfp-products .product-visual img{height:210px;padding:16px 0}\r\n#wo-home .osfp-products .product-desc{min-height:0}\r\n}\r\n\r\n\/* Homepage blog entry *\/\r\n#wo-home .home-blog{padding:56px 0;background:#fff}\r\n#wo-home .home-blog-card{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:32px;padding:34px 38px;border:1px solid var(--line);border-left:4px solid var(--cyan);border-radius:7px;background:var(--wash)}\r\n#wo-home .home-blog .kicker{color:#087e7b;margin-bottom:12px}\r\n#wo-home .home-blog h2{font-size:34px;line-height:1.2}\r\n#wo-home .home-blog .home-blog-description{max-width:680px;margin-top:14px;color:var(--muted);font-size:17px;line-height:1.65}\r\n#wo-home .home-blog .btn{min-height:48px;padding:12px 22px;font-size:13px}\r\n@media(max-width:1050px){#wo-home .header .nav{gap:14px}}\r\n@media(max-width:700px){#wo-home .home-blog{padding:40px 0}#wo-home .home-blog-card{display:block;padding:26px 24px}#wo-home .home-blog h2{font-size:28px}#wo-home .home-blog .home-blog-description{font-size:16px}#wo-home .home-blog .btn{margin-top:24px}}\r\n<\/style><\/p>\r\n<div id=\"wo-home\"><a class=\"skip\" href=\"#main\">Skip to content<\/a>\r\n<div class=\"topbar\">\r\n<div class=\"wrap\"><span>PHOTONICS \u00b7 PRECISION \u00b7 POSSIBILITY<\/span><span>FREMONT, CALIFORNIA \/ SHENZHEN, CHINA<\/span><div class=\"home-language-switcher\"><div class=\"trp_language_switcher_shortcode\">\n<div class=\"trp-language-switcher trp-language-switcher-container\" data-no-translation>\n    <div class=\"trp-ls-shortcode-current-language\">\n        <a href=\"#\" class=\"trp-ls-shortcode-disabled-language trp-ls-disabled-language\" title=\"Russian\" onclick=\"event.preventDefault()\">\n\t\t\t<img 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src=\"https:\/\/www.westernoptronics.com\/wp-content\/plugins\/translatepress-multilingual\/assets\/images\/flags\/en_US.png\" width=\"18\" height=\"12\" alt=\"en_US\" title=\"English\"> English        <\/a>\n\n            <a href=\"https:\/\/www.westernoptronics.com\/ru\/wp-json\/wp\/v2\/pages\/9061\" title=\"Chinese\">\n            <img loading=\"lazy\" decoding=\"async\" class=\"trp-flag-image\" src=\"https:\/\/www.westernoptronics.com\/wp-content\/plugins\/translatepress-multilingual\/assets\/images\/flags\/zh_CN.png\" width=\"18\" height=\"12\" alt=\"zh_CN\" title=\"Chinese\"> Chinese        <\/a>\n\n            <a href=\"https:\/\/www.westernoptronics.com\/ru\/wp-json\/wp\/v2\/pages\/9061\" title=\"German\">\n            <img loading=\"lazy\" decoding=\"async\" class=\"trp-flag-image\" src=\"https:\/\/www.westernoptronics.com\/wp-content\/plugins\/translatepress-multilingual\/assets\/images\/flags\/de_DE.png\" width=\"18\" height=\"12\" alt=\"de_DE\" title=\"German\"> German        <\/a>\n\n            <a href=\"https:\/\/www.westernoptronics.com\/ru\/wp-json\/wp\/v2\/pages\/9061\" title=\"French\">\n            <img loading=\"lazy\" decoding=\"async\" class=\"trp-flag-image\" src=\"https:\/\/www.westernoptronics.com\/wp-content\/plugins\/translatepress-multilingual\/assets\/images\/flags\/fr_FR.png\" width=\"18\" height=\"12\" alt=\"fr_FR\" title=\"French\"> French        <\/a>\n\n            <a href=\"https:\/\/www.westernoptronics.com\/ru\/wp-json\/wp\/v2\/pages\/9061\" title=\"Arabic\">\n            <img loading=\"lazy\" decoding=\"async\" class=\"trp-flag-image\" src=\"https:\/\/www.westernoptronics.com\/wp-content\/plugins\/translatepress-multilingual\/assets\/images\/flags\/ar.png\" width=\"18\" height=\"12\" alt=\"ar\" title=\"Arabic\"> Arabic        <\/a>\n\n            <a href=\"https:\/\/www.westernoptronics.com\/ru\/wp-json\/wp\/v2\/pages\/9061\" title=\"Panjabi\">\n            <img loading=\"lazy\" decoding=\"async\" class=\"trp-flag-image\" src=\"https:\/\/www.westernoptronics.com\/wp-content\/plugins\/translatepress-multilingual\/assets\/images\/flags\/pa_IN.png\" width=\"18\" height=\"12\" alt=\"pa_IN\" title=\"Panjabi\"> Panjabi        <\/a>\n\n        <\/div>\n    <script type=\"application\/javascript\">\n        \/\/ need to have the same with set from JS on both divs. Otherwise it can push stuff around in HTML\n        var trp_ls_shortcodes = document.querySelectorAll('.trp_language_switcher_shortcode .trp-language-switcher');\n        if ( trp_ls_shortcodes.length > 0) {\n            \/\/ get the last language switcher added\n            var trp_el = trp_ls_shortcodes[trp_ls_shortcodes.length - 1];\n\n            var trp_shortcode_language_item = trp_el.querySelector( '.trp-ls-shortcode-language' )\n            \/\/ set width\n            var trp_ls_shortcode_width                                               = trp_shortcode_language_item.offsetWidth + 16;\n            trp_shortcode_language_item.style.width                                  = trp_ls_shortcode_width + 'px';\n            trp_el.querySelector( '.trp-ls-shortcode-current-language' ).style.width = trp_ls_shortcode_width + 'px';\n\n            \/\/ We're putting this on display: none after we have its width.\n            trp_shortcode_language_item.style.display = 'none';\n        }\n    <\/script>\n<\/div>\n<\/div><\/div><\/div>\r\n<\/div>\r\n<header class=\"header\">\r\n<div class=\"wrap\"><a class=\"brand\" href=\"https:\/\/www.westernoptronics.com\/ru\/\" aria-label=\"Western Optronics home\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.westernoptronics.com\/wp-content\/uploads\/2025\/03\/logo.png\" alt=\"Western Optronics\" width=\"1194\" height=\"91\" \/><\/a><nav class=\"nav\" aria-label=\"Main navigation\"><a href=\"#elsfp\">ELSFP<\/a><a href=\"https:\/\/www.westernoptronics.com\/ru\/products\/\">\u041f\u0440\u043e\u0434\u0443\u043a\u0442\u044b<\/a><a href=\"https:\/\/www.westernoptronics.com\/ru\/blog\/\">Blog<\/a><a href=\"https:\/\/www.westernoptronics.com\/ru\/about\/\">\u041e \u043d\u0430\u0441<\/a><a class=\"contact\" href=\"https:\/\/www.westernoptronics.com\/ru\/contact\/\">Contact us<\/a><\/nav><details class=\"menu\">\r\n<summary aria-label=\"Open navigation\">Menu<\/summary>\r\n<nav class=\"menu-links\" aria-label=\"Mobile navigation\"><a href=\"#elsfp\">ELSFP modules<\/a><a href=\"https:\/\/www.westernoptronics.com\/ru\/products\/\">\u041f\u0440\u043e\u0434\u0443\u043a\u0442\u044b<\/a><a href=\"https:\/\/www.westernoptronics.com\/ru\/blog\/\">Blog<\/a><a href=\"https:\/\/www.westernoptronics.com\/ru\/about\/\">\u041e \u043d\u0430\u0441<\/a><a href=\"https:\/\/www.westernoptronics.com\/ru\/contact\/\">Contact us<\/a><\/nav><\/details><\/div>\r\n<\/header><main id=\"main\">\r\n<section class=\"hero\" aria-labelledby=\"hero-heading\">\r\n<div class=\"wrap\">\r\n<div class=\"hero-grid\">\r\n<div>\r\n<p class=\"kicker accent\">Photonics for what\u2019s next<\/p>\r\n<h1 id=\"hero-heading\">Light for the next generation of optics.<\/h1>\r\n<p class=\"lead\">Western Optronics supplies ELSFP continuous-wave laser sources for co-packaged optics (CPO), optical components and precision test equipment.<\/p>\r\n<div class=\"actions\"><a class=\"btn cyan\" href=\"#elsfp\">Explore ELSFP modules <\/a><a class=\"btn ghost\" href=\"https:\/\/www.westernoptronics.com\/ru\/contact\/\">Discuss your application<\/a><\/div>\r\n<\/div>\r\n<div class=\"hero-art\">\r\n<div class=\"art-label\"><i class=\"dot\" aria-hidden=\"true\"><\/i><span>EXTERNAL LASER SOURCE<\/span><span class=\"mono\">ELSFP<\/span><\/div>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.westernoptronics.com\/wp-content\/uploads\/2026\/07\/001d59b7-ebe3-4f5b-b31b-153d6dc3eb01.png\" alt=\"ELSFP external laser source module with metal enclosure, black heat sinks and pull handle\" width=\"1254\" height=\"1254\" \/>\r\n<div class=\"art-bottom\">CONTINUOUS-WAVE LASER SOURCE<strong>8 optical channels<\/strong><\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"hero-stats\" aria-label=\"Featured ELSFP specifications\">\r\n<div class=\"stat\"><strong>8 channels<\/strong>Continuous-wave output<\/div>\r\n<div class=\"stat\"><strong>\u2265 +23 dBm<\/strong>Optical power per channel<\/div>\r\n<div class=\"stat\"><strong>CMIS<\/strong>Management interface<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n<section id=\"elsfp\" class=\"section\" aria-labelledby=\"elsfp-heading\">\r\n<div class=\"wrap\">\r\n<div class=\"section-head\">\r\n<div>\r\n<p class=\"kicker\">Featured laser sources<\/p>\r\n<h2 id=\"elsfp-heading\">Two configurations.<br \/>One clear focus.<\/h2>\r\n<\/div>\r\n<p>Explore our CWDM4 and 1311 nm external laser sources for CPO optical engines.<\/p>\r\n<\/div>\r\n<div class=\"product-grid\">\r\n<article class=\"product\">\r\n<div class=\"product-visual\"><span class=\"pill\">CWDM4 \u00b7 2\u00d7FR4 CPO<\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.westernoptronics.com\/wp-content\/uploads\/2026\/07\/001d59b7-ebe3-4f5b-b31b-153d6dc3eb01.png\" alt=\"CY-ELSFP-8PMF-UHP1-CWDM4-B ELSFP laser module\" width=\"1254\" height=\"1254\" \/><\/div>\r\n<div class=\"product-body\">\r\n<h3>CWDM4 ELSFP<br \/>for 2\u00d7FR4 CPO<\/h3>\r\n<p class=\"model mono\">CY-ELSFP-8PMF-UHP1-CWDM4-B<\/p>\r\n<p class=\"product-desc\">Two CWDM4 wavelength sets deliver continuous-wave light to compatible CPO optical engines.<\/p>\r\n<div class=\"home-spec-row\"><span>Channels<\/span><strong>8 CW channels<\/strong><\/div>\r\n<div class=\"home-spec-row\"><span>Output power<\/span><strong>\u2265 +23 dBm \/ channel<\/strong><\/div>\r\n<div class=\"home-spec-row wide\"><span>Wavelength configuration<\/span><strong>2 \u00d7 (1271 \/ 1291 \/ 1311 \/ 1331 nm)<\/strong><\/div>\r\n<div class=\"product-actions\"><a class=\"btn navy\" href=\"https:\/\/www.westernoptronics.com\/ru\/product\/cy-elsfp-8pmf-uhp1-cwdm4-b-2xfr4-cpo-laser\/\">View product <\/a><a class=\"text-link\" href=\"mailto:sales@westernoptronics.com?subject=CWDM4%20ELSFP%20enquiry\">Request a quote<\/a><a class=\"text-link\" href=\"https:\/\/www.westernoptronics.com\/wp-content\/uploads\/2026\/09\/Western_Optronics_CY-ELSFP-8PMF-UHP1-CWDM4-B_2xFR4_Datasheet_V4.0.pdf\" target=\"_blank\" rel=\"noopener\" download=\"\">Download datasheet (PDF)<\/a><\/div>\r\n<\/div>\r\n<\/article>\r\n<article class=\"product\">\r\n<div class=\"product-visual\"><span class=\"pill\">1311 nm \u00b7 CPO<\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.westernoptronics.com\/wp-content\/uploads\/2026\/07\/001d59b7-ebe3-4f5b-b31b-153d6dc3eb01.png\" alt=\"CY-ELSFP-8PMF-UHP1-1311-B ELSFP laser module\" width=\"1254\" height=\"1254\" \/><\/div>\r\n<div class=\"product-body\">\r\n<h3>1311 nm ELSFP<br \/>CW Laser<\/h3>\r\n<p class=\"model mono\">CY-ELSFP-8PMF-UHP1-1311-B<\/p>\r\n<p class=\"product-desc\">Eight 1311 nm laser channels, arranged in two banks of four, supply external light for CPO applications.<\/p>\r\n<div class=\"home-spec-row\"><span>Channels<\/span><strong>8 CW channels<\/strong><\/div>\r\n<div class=\"home-spec-row\"><span>Output power<\/span><strong>\u2265 +23 dBm \/ channel<\/strong><\/div>\r\n<div class=\"home-spec-row wide\"><span>Typical wavelength<\/span><strong>1311 nm<\/strong><\/div>\r\n<div class=\"product-actions\"><a class=\"btn navy\" href=\"https:\/\/www.westernoptronics.com\/ru\/product\/cy-elsfp-8pmf-uhp1-1311-b-elsfp-cw-laser-cpo\/\">View product <\/a><a class=\"text-link\" href=\"mailto:sales@westernoptronics.com?subject=1311%20nm%20ELSFP%20enquiry\">Request a quote<\/a><a class=\"text-link\" href=\"https:\/\/www.westernoptronics.com\/wp-content\/uploads\/2026\/09\/Western_Optronics_CY-ELSFP-8PMF-UHP1-1311-B_2xDR4_Datasheet_V4.0.pdf\" target=\"_blank\" rel=\"noopener\" download=\"\">Download datasheet (PDF)<\/a><\/div>\r\n<\/div>\r\n<\/article>\r\n<\/div>\r\n<div class=\"compare-scroll\" role=\"region\" aria-label=\"ELSFP model comparison\" tabindex=\"0\">\r\n<table class=\"home-compare\"><caption>Compare ELSFP configurations<\/caption><thead><tr><th scope=\"col\">Parameter<\/th><th scope=\"col\">CWDM4 ELSFP<\/th><th scope=\"col\">1311 nm ELSFP<\/th><\/tr><\/thead><tbody>\r\n<tr><th scope=\"row\">Model<\/th><td>CY-ELSFP-8PMF-UHP1-CWDM4-B<\/td><td>CY-ELSFP-8PMF-UHP1-1311-B<\/td><\/tr>\r\n<tr><th scope=\"row\">CW channels<\/th><td>8 \u2014 two CWDM4 wavelength sets<\/td><td>8 \u2014 two banks of four<\/td><\/tr>\r\n<tr><th scope=\"row\">Wavelengths<\/th><td>2 \u00d7 (1271 \/ 1291 \/ 1311 \/ 1331 nm)<\/td><td>1311 nm nominal<\/td><\/tr>\r\n<tr><th scope=\"row\">Output per channel<\/th><td>\u2265 +23 dBm<\/td><td>\u2265 +23 dBm<\/td><\/tr>\r\n<tr><th scope=\"row\">Management \/ supply<\/th><td>CMIS \/ 3.3 V nominal<\/td><td>CMIS \/ 3.3 V nominal<\/td><\/tr>\r\n<\/tbody><\/table><\/div>\r\n<p class=\"product-note\">These modules provide continuous-wave light for external modulation. Select the wavelength arrangement required by your optical engine.<\/p>\r\n<div id=\"elsfp-selection-faq\" class=\"home-selection-faq\">\n<p class=\"product-desc\">Need help choosing a wavelength configuration? <a href=\"https:\/\/www.westernoptronics.com\/ru\/elsfp-selection-guide\/\" style=\"font-weight:600;text-decoration:underline\">Read the ELSFP selection guide &rarr;<\/a><\/p>\n\n\n\n<\/div>\n\n<p class=\"home-quote-note\">For a quotation, include the model, quantity, delivery schedule, optical connector, fiber assignment and host platform.<\/p>\r\n<p><a class=\"btn navy\" href=\"https:\/\/www.westernoptronics.com\/ru\/contact\/\">Send an online enquiry <\/a><\/p>\r\n<\/div>\r\n<\/section>\r\n<section id=\"osfp-1-6t\" class=\"section osfp-products\" aria-labelledby=\"osfp-1-6t-heading\">\r\n<div class=\"wrap\">\r\n<div class=\"section-head\">\r\n<div><p class=\"kicker\">1.6T optical transceiver<\/p><h2 id=\"osfp-1-6t-heading\">1.6T OSFP 2\u00d7DR4<\/h2><\/div>\r\n<p>Silicon photonics connectivity for single-mode fiber links up to 500 m.<\/p>\r\n<\/div>\r\n<article class=\"product\" aria-label=\"CP-OSFP-1.6T-2DR4 specifications\">\r\n<div class=\"product-visual\"><img src=\"https:\/\/www.westernoptronics.com\/wp-content\/uploads\/2026\/09\/Western-Optronics-1.6T-OSFP-Updated.png\" alt=\"Western Optronics CP-OSFP-1.6T-2DR4 1.6T OSFP optical transceiver\" width=\"1502\" height=\"1047\" loading=\"lazy\" decoding=\"async\"><\/div>\r\n<div class=\"product-body\">\r\n<div class=\"product-grid\">\r\n<div>\r\n<span class=\"pill\">2\u00d7DR4 \u00b7 500 m SMF<\/span>\r\n<h3 style=\"margin-top:18px\">8 \u00d7 200G PAM4<\/h3>\r\n<p class=\"model mono\">CP-OSFP-1.6T-2DR4<\/p>\r\n<p class=\"product-desc\">An OSFP224 silicon photonics transceiver with eight parallel optical channels and dual MPO-12\/APC connectors, designed for 2\u00d7800GBASE-DR4 optical links.<\/p>\r\n<div class=\"product-actions\"><a class=\"btn navy\" href=\"https:\/\/www.westernoptronics.com\/ru\/product\/cp-osfp-1-6t-2dr4-osfp-transceiver\/\">View product <\/a><a class=\"text-link\" href=\"mailto:sales@westernoptronics.com?subject=CP-OSFP-1.6T-2DR4%20enquiry\">Request a quote<\/a><a class=\"text-link\" href=\"https:\/\/www.westernoptronics.com\/wp-content\/uploads\/2026\/09\/Western_Optronics_CP-OSFP-1.6T-2DR4_Datasheet_V2.0-1.pdf\" target=\"_blank\" rel=\"noopener\" download>Download datasheet (PDF)<\/a><\/div>\r\n<\/div>\r\n<div>\r\n<div class=\"home-spec-row\"><span>Data rate<\/span><strong>1.6 Tb\/s \u00b7 8 \u00d7 200G PAM4<\/strong><\/div>\r\n<div class=\"home-spec-row\"><span>SMF reach<\/span><strong>Up to 500 m with host FEC<\/strong><\/div>\r\n<div class=\"home-spec-row\"><span>Optical connector<\/span><strong>Dual MPO-12\/APC<\/strong><\/div>\r\n<div class=\"home-spec-row\"><span>Center wavelength<\/span><strong>1311 nm<\/strong><\/div>\r\n<div class=\"home-spec-row\"><span>Package \/ power<\/span><strong>OSFP IHS \u00b7 32 W maximum<\/strong><\/div>\r\n<div class=\"home-spec-row\"><span>Management<\/span><strong>CMIS \u00b7 digital diagnostics<\/strong><\/div>\r\n<div class=\"home-spec-row\"><span>Operating case temperature<\/span><strong>0 to 70\u00b0C<\/strong><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/article>\r\n<\/div>\r\n<\/section>\r\n<section id=\"optical-transceivers\" class=\"section osfp-products\" aria-labelledby=\"osfp-heading\">\r\n<div class=\"wrap\">\r\n<div class=\"section-head\">\r\n<div><p class=\"kicker\">Optical transceivers<\/p><h2 id=\"osfp-heading\">800G connectivity.<br \/>Two link options.<\/h2><\/div>\r\n<p>Explore DR8 and 2\u00d7FR4 silicon photonics transceivers for single-mode fiber links.<\/p>\r\n<\/div>\r\n<div class=\"product-grid\">\r\n<article class=\"product\" aria-labelledby=\"osfp-9169-heading\">\r\n<div class=\"product-visual\"><span class=\"pill\">DR8 \u00b7 500 m SMF<\/span><a href=\"https:\/\/www.westernoptronics.com\/ru\/product\/cp-osfp-800g-dr8-800g-osfp-transceiver\/\" aria-label=\"View CP-OSFP-800G-DR8\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.westernoptronics.com\/wp-content\/uploads\/2026\/09\/CP-OSFP-800G-DR8-Hollow-800G-HD.png\" alt=\"Western Optronics CP-OSFP-800G-DR8 800G OSFP optical transceiver with recessed 800G lettering on the yellow pull tab\" width=\"1774\" height=\"887\" \/><\/a><\/div>\r\n<div class=\"product-body\">\r\n<h3 id=\"osfp-9169-heading\">800G OSFP DR8<\/h3>\r\n<p class=\"model mono\">CP-OSFP-800G-DR8<\/p>\r\n<p class=\"product-desc\">An 800G OSFP transceiver for single-mode fiber links up to 500 m, with CMIS 5.0 management.<\/p>\r\n<div class=\"home-spec-row\"><span>Data rate<\/span><strong>800G \u00b7 8 \u00d7 100G PAM4<\/strong><\/div>\r\n<div class=\"home-spec-row\"><span>SMF reach<\/span><strong>Up to 500 m<\/strong><\/div>\r\n<div class=\"home-spec-row\"><span>Optical connector<\/span><strong>Dual MPO-12\/APC<\/strong><\/div>\r\n<div class=\"product-actions\"><a class=\"btn navy\" href=\"https:\/\/www.westernoptronics.com\/ru\/product\/cp-osfp-800g-dr8-800g-osfp-transceiver\/\">View product <\/a><a class=\"text-link\" href=\"mailto:sales@westernoptronics.com?subject=CP-OSFP-800G-DR8%20enquiry\">Request a quote<\/a><\/div>\r\n<\/div>\r\n<\/article>\r\n<article class=\"product\" aria-labelledby=\"osfp-9173-heading\">\r\n<div class=\"product-visual\"><span class=\"pill\">2\u00d7FR4 \u00b7 2 km SMF<\/span><a href=\"https:\/\/www.westernoptronics.com\/ru\/product\/cp-osfp-800g-2fr4-800g-osfp-transceiver\/\" aria-label=\"View CP-OSFP-800G-2FR4\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.westernoptronics.com\/wp-content\/uploads\/2026\/09\/CP-OSFP-800G-2FR4-800G-OSFP-Optical-Transceiver.png\" alt=\"Western Optronics CP-OSFP-800G-2FR4 800G OSFP finned-top optical transceiver with yellow 800G pull tab\" width=\"1582\" height=\"994\" \/><\/a><\/div>\r\n<div class=\"product-body\">\r\n<h3 id=\"osfp-9173-heading\">800G OSFP 2FR4<\/h3>\r\n<p class=\"model mono\">CP-OSFP-800G-2FR4<\/p>\r\n<p class=\"product-desc\">An 800G OSFP transceiver for single-mode fiber links up to 2 km, with CMIS 5.0 management.<\/p>\r\n<div class=\"home-spec-row\"><span>Data rate<\/span><strong>800G \u00b7 8 \u00d7 100G PAM4<\/strong><\/div>\r\n<div class=\"home-spec-row\"><span>SMF reach<\/span><strong>Up to 2 km<\/strong><\/div>\r\n<div class=\"home-spec-row\"><span>Optical connector<\/span><strong>Dual duplex LC<\/strong><\/div>\r\n<div class=\"product-actions\"><a class=\"btn navy\" href=\"https:\/\/www.westernoptronics.com\/ru\/product\/cp-osfp-800g-2fr4-800g-osfp-transceiver\/\">View product <\/a><a class=\"text-link\" href=\"mailto:sales@westernoptronics.com?subject=CP-OSFP-800G-2FR4%20enquiry\">Request a quote<\/a><\/div>\r\n<\/div>\r\n<\/article>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n<section class=\"section portfolio\" aria-labelledby=\"portfolio-heading\">\r\n<div class=\"wrap\">\r\n<div class=\"section-head\">\r\n<div>\r\n<p class=\"kicker\">Components &amp; equipment<\/p>\r\n<h2 id=\"portfolio-heading\">Explore our product portfolio.<\/h2>\r\n<\/div>\r\n<p>Tools and components for optical development, measurement and inspection.<\/p>\r\n<\/div>\r\n<div class=\"categories\">\r\n<article class=\"category\" aria-labelledby=\"portfolio-category-1\">\r\n<div class=\"category-top\">01 \/ COMPONENTS<\/div>\r\n<h3 id=\"portfolio-category-1\"><a href=\"https:\/\/www.westernoptronics.com\/ru\/product-category\/semi-conductor-laser-fiber-optical-components\/\">Lasers &amp; optical components<\/a><\/h3>\r\n<p>CW DFB lasers, tunable sources, modulators and semiconductor optical amplifiers.<\/p>\r\n<\/article>\r\n\r\n\r\n<article class=\"category\" aria-labelledby=\"portfolio-category-2\">\r\n<div class=\"category-top\">02 \/ MEASUREMENT<\/div>\r\n<h3 id=\"portfolio-category-2\"><a href=\"https:\/\/www.westernoptronics.com\/ru\/product-category\/fiber-optic-testing-measurment-equipment\/\">Fiber-optic test equipment<\/a><\/h3>\r\n<p>Light sources, BERTs, power meters, attenuators and polarization controllers.<\/p>\r\n<\/article>\r\n\r\n\r\n<article class=\"category\" aria-labelledby=\"portfolio-category-3\">\r\n<div class=\"category-top\">03 \/ SEMICONDUCTOR<\/div>\r\n<h3 id=\"portfolio-category-3\"><a href=\"https:\/\/www.westernoptronics.com\/ru\/product-category\/wafer-process-inspection\/\">Wafer processing &amp; inspection<\/a><\/h3>\r\n<p>Precision polishing, slicing, cutting and sample preparation equipment.<\/p>\r\n<\/article>\r\n\r\n\r\n<article class=\"category\" aria-labelledby=\"portfolio-category-4\">\r\n<div class=\"category-top\">04 \/ INSPECTION<\/div>\r\n<h3 id=\"portfolio-category-4\"><a href=\"https:\/\/www.westernoptronics.com\/ru\/product-category\/wafer-process-inspection\/inspection-measurement-microscope\/\">Microscopy<\/a><\/h3>\r\n<p>Measuring, biomedical, metallurgical and zoom microscopes.<\/p>\r\n<\/article>\r\n\r\n\r\n<\/div>\r\n<div class=\"portfolio-links\">\r\n<p>Equipment for purchase, rental, leasing and trade-in.<\/p>\r\n<a class=\"text-link\" href=\"https:\/\/www.westernoptronics.com\/ru\/purchase-rent\/\">Explore purchase &amp; rental options \u00a0 <\/a><\/div>\r\n<\/div>\r\n<\/section>\r\n<section class=\"home-blog\" aria-labelledby=\"home-blog-heading\">\r\n<div class=\"wrap home-blog-card\">\r\n<div>\r\n<p class=\"kicker\">From the blog<\/p>\r\n<h2 id=\"home-blog-heading\">Blog &amp; Technical Insights<\/h2>\r\n<p class=\"home-blog-description\">Explore articles on optical communication and photonics, from core concepts to emerging technologies.<\/p>\r\n<\/div>\r\n<a class=\"btn navy\" href=\"https:\/\/www.westernoptronics.com\/ru\/blog\/\">Explore the Blog<\/a>\r\n<\/div>\r\n<\/section>\r\n<section class=\"cta\" aria-labelledby=\"contact-heading\">\r\n<div class=\"wrap cta-grid\">\r\n<div>\r\n<p class=\"kicker accent\">Talk to our team<\/p>\r\n<h2 id=\"contact-heading\">Let\u2019s discuss your optical requirements.<\/h2>\r\n<p>Share your target wavelengths, optical power and host platform. We\u2019ll help you identify the relevant product configuration.<\/p>\r\n<\/div>\r\n<div class=\"contact-block\"><a class=\"email\" href=\"mailto:sales@westernoptronics.com\">sales@westernoptronics.com<\/a>\r\n<p>Fremont, California \u00b7 Shenzhen, China<\/p>\r\n<a class=\"btn cyan\" href=\"https:\/\/www.westernoptronics.com\/ru\/contact\/\">Contact Western Optronics <\/a><\/div>\r\n<\/div>\r\n<\/section>\r\n<\/main><footer class=\"footer\">\r\n<div class=\"wrap\">\r\n<div>\r\n<p>\u0417\u0410\u041f\u0410\u0414\u041d\u0410\u042f \u041e\u041f\u0422\u0420\u041e\u041d\u0418\u041a\u0410<\/p>\r\n<p>\u00a9 2026 Western Optronics. 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