{"id":270,"date":"2026-07-22T16:34:38","date_gmt":"2026-07-22T08:34:38","guid":{"rendered":"https:\/\/www.ronglitong.com\/?p=270"},"modified":"2026-07-23T13:22:37","modified_gmt":"2026-07-23T05:22:37","slug":"tri%e2%80%91axis-integrated-coupler-cfs","status":"publish","type":"post","link":"https:\/\/www.ronglitong.com\/zh-cht\/product\/tri%e2%80%91axis-integrated-coupler-cfs\/","title":{"rendered":"Tri\u2011axis Integrated Coupler (CFS)"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"285\" src=\"https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_052057_720.jpg\" alt=\"\" class=\"wp-image-333\" srcset=\"https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_052057_720.jpg 700w, https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_052057_720-300x122.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-link-color has-medium-font-size wp-elements-d9b920dd56629ee7924fd6aad26bb44a\"><strong>Product Features<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High integration and compact size<\/li>\n\n\n\n<li>Low loss<\/li>\n\n\n\n<li>Excellent full\u2011temperature performance<\/li>\n\n\n\n<li>High reliability<\/li>\n<\/ul>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-link-color has-medium-font-size wp-elements-04a126c91f42e34172a99d655668cbcd\"><strong>Applications<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fiber optic communication systems<\/li>\n\n\n\n<li>Fiber optic sensing, including FOGs<\/li>\n\n\n\n<li>Optical measurement equipment<\/li>\n<\/ul>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-link-color has-medium-font-size wp-elements-5eff430e999fe0d76fc6b23173133fe6\"><strong>Technical Specifications<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-border-color has-cyan-bluish-gray-border-color\" style=\"border-width:1px\"><tbody><tr><td><strong>Parameter<\/strong><\/td><td><strong>Unit<\/strong><\/td><td colspan=\"2\"><strong>Value<\/strong><\/td><\/tr><tr><td>Center Wavelength<\/td><td>nm<\/td><td colspan=\"2\">1310 \u00b1 40<\/td><\/tr><tr><td rowspan=\"2\">Insertion Loss<\/td><td rowspan=\"2\">dB<\/td><td>3-5 \/ 3-6 \/ 3-7<\/td><td>9.0<\/td><\/tr><tr><td>5-1 \/ 6-2 \/ 7-4<\/td><td>4.5<\/td><\/tr><tr><td>1 to 3 Splitting Ratio<\/td><td>%<\/td><td colspan=\"2\">33 \u00b1 3<\/td><\/tr><tr><td>Full-Temp Splitting Ratio Variation<\/td><td>%<\/td><td colspan=\"2\">\u2264 2<\/td><\/tr><tr><td>Loss Uniformity<\/td><td>dB<\/td><td colspan=\"2\">\u2264 0.5<\/td><\/tr><tr><td>Full-Temp Loss Variation<\/td><td>dB<\/td><td colspan=\"2\">\u2264 0.3<\/td><\/tr><tr><td>Return Loss<\/td><td>dB<\/td><td colspan=\"2\">\u226550<\/td><\/tr><tr><td>Fiber Pigtail Type<\/td><td>\u2014<\/td><td colspan=\"2\">SM<\/td><\/tr><tr><td>Operating Temperature<\/td><td>\u00b0C<\/td><td colspan=\"2\">-45 ~ +70<\/td><\/tr><tr><td>Storage Temperature<\/td><td>\u00b0C<\/td><td colspan=\"2\">-55 ~ +85<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-link-color has-medium-font-size wp-elements-3bb582fabea30b959e3873e04e7b3dba\"><strong>Dimensions<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"739\" height=\"349\" src=\"https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_052131_932.webp\" alt=\"\" class=\"wp-image-334\" srcset=\"https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_052131_932.webp 739w, https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_052131_932-300x142.webp 300w\" sizes=\"auto, (max-width: 739px) 100vw, 739px\" \/><\/figure>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-link-color has-medium-font-size wp-elements-6c58ebb1cfce6214d0c15964887476fa\"><strong>Pin Assignment<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"653\" height=\"411\" src=\"https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_052154_601.webp\" alt=\"\" class=\"wp-image-335\" srcset=\"https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_052154_601.webp 653w, https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_052154_601-300x189.webp 300w\" sizes=\"auto, (max-width: 653px) 100vw, 653px\" \/><\/figure>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color has-link-color has-medium-font-size wp-elements-ce7ce462d80731665b660be71cdd2c4c\"><strong>Typical Application&#8212;3-axis FOG<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"829\" height=\"556\" src=\"https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_052207_457.webp\" alt=\"\" class=\"wp-image-336\" srcset=\"https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_052207_457.webp 829w, https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_052207_457-300x201.webp 300w, https:\/\/www.ronglitong.com\/wp-content\/uploads\/2026\/07\/20260723_052207_457-768x515.webp 768w\" sizes=\"auto, (max-width: 829px) 100vw, 829px\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Product Features Applications Technical Specifications Parameter Unit Value Center Wavelength nm 1310 \u00b1 40 Insertion Loss dB 3-5 \/ 3-6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":337,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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