{"id":2560,"date":"2026-04-08T00:00:00","date_gmt":"2026-04-08T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-fiber-optic-light-source\/"},"modified":"2026-06-22T03:36:14","modified_gmt":"2026-06-22T03:36:14","slug":"what-is-fiber-optic-light-source","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-fiber-optic-light-source","title":{"rendered":"Ngu\u1ed3n s\u00e1ng quang s\u1ee3i: \u0110\u1ecbnh ngh\u0129a, C\u00e1c lo\u1ea1i v\u00e0 \u1ee8ng d\u1ee5ng"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"628\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/134bbedde2394150959205051ccee989.jpg\" alt=\"Fiber Optical Light Source: Definition, Types and Uses\" class=\"wp-image-2549\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/134bbedde2394150959205051ccee989.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/134bbedde2394150959205051ccee989-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/134bbedde2394150959205051ccee989-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/134bbedde2394150959205051ccee989-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/134bbedde2394150959205051ccee989-18x9.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng truy\u1ec1n th\u00f4ng v\u00e0 ki\u1ec3m tra c\u00e1p quang hi\u1ec7n \u0111\u1ea1i, vi\u1ec7c \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. M\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu gi\u00fap \u0111i\u1ec1u n\u00e0y tr\u1edf n\u00ean kh\u1ea3 thi l\u00e0 <strong>ngu\u1ed3n s\u00e1ng quang s\u1ee3i<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f9 b\u1ea1n \u0111ang l\u1eafp \u0111\u1eb7t m\u1ed9t m\u1ea1ng c\u00e1p quang m\u1edbi, kh\u1eafc ph\u1ee5c s\u1ef1 suy hao t\u00edn hi\u1ec7u hay th\u1ef1c hi\u1ec7n ki\u1ec3m tra ch\u1ee9ng nh\u1eadn, m\u1ed9t t\u00edn hi\u1ec7u quang \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u00ednh x\u00e1c \u0111\u1ec1u l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c. \u0110\u00e2y ch\u00ednh l\u00e0 vai tr\u00f2 then ch\u1ed1t c\u1ee7a ngu\u1ed3n s\u00e1ng quang s\u1ee3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi m\u00e1y \u0111o c\u00f4ng su\u1ea5t quang \u0111\u1ec3 \u0111o l\u01b0\u1eddng <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/optical-transceiver-insertion-loss-definition-impact\/\">t\u1ed5n hao ch\u00e8n<\/a>, x\u00e1c minh hi\u1ec7u n\u0103ng li\u00ean k\u1ebft v\u00e0 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh tr\u00ean c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-ftth-fiber-to-the-home\/\">FTTH<\/a> tri\u1ec3n khai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nh\u1eefng n\u1ed9i dung b\u1ea1n s\u1ebd h\u1ecdc \u0111\u01b0\u1ee3c t\u1eeb h\u01b0\u1edbng d\u1eabn n\u00e0y:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ngu\u1ed3n s\u00e1ng quang s\u1ee3i l\u00e0 g\u00ec<\/p><\/li>\n\n\n\n<li><p>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00e1p quang<\/p><\/li>\n\n\n\n<li><p>C\u00e1c lo\u1ea1i ngu\u1ed3n s\u00e1ng quang kh\u00e1c nhau<\/p><\/li>\n\n\n\n<li><p>C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 t\u00ednh n\u0103ng ch\u00ednh<\/p><\/li>\n\n\n\n<li><p>C\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf<\/p><\/li>\n\n\n\n<li><p>C\u00e1ch l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udfe8 Ngu\u1ed3n s\u00e1ng quang s\u1ee3i l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>ngu\u1ed3n s\u00e1ng quang s\u1ee3i<\/strong> l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00e1t ra t\u00edn hi\u1ec7u quang \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0o s\u1ee3i quang nh\u1eb1m m\u1ee5c \u0111\u00edch ki\u1ec3m tra, \u0111o l\u01b0\u1eddng v\u00e0 x\u00e1c th\u1ef1c h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1c v\u1edbi c\u00e1c b\u1ed9 ph\u00e1t s\u00e1ng d\u00f9ng chung, ngu\u1ed3n s\u00e1ng quang s\u1ee3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 cung c\u1ea5p c\u00f4ng su\u1ea5t \u0111\u1ea7u ra \u1ed5n \u0111\u1ecbnh, b\u01b0\u1edbc s\u00f3ng x\u00e1c \u0111\u1ecbnh v\u00e0 dao \u0111\u1ed9ng t\u00edn hi\u1ec7u t\u1ed1i thi\u1ec3u, \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ki\u1ec3m tra ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/142e503682b146458641833bdcf510df.jpg\" alt=\"What Is a Fiber Optical Light Source?\" class=\"wp-image-2550\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/142e503682b146458641833bdcf510df.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/142e503682b146458641833bdcf510df-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/142e503682b146458641833bdcf510df-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/142e503682b146458641833bdcf510df-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/142e503682b146458641833bdcf510df-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Ngu\u1ed3n s\u00e1ng quang s\u1ee3i ti\u00eam \u00e1nh s\u00e1ng v\u00e0o s\u1ee3i quang, cho ph\u00e9p \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c \u0111\u1ed9 suy hao v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng li\u00ean k\u1ebft.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ecbnh ngh\u0129a k\u1ef9 thu\u1eadt m\u1edf r\u1ed9ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng ki\u1ec3m tra c\u00e1p quang chuy\u00ean nghi\u1ec7p, m\u1ed9t ngu\u1ed3n s\u00e1ng quang s\u1ee3i ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau ch\u00ed sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u1ea7u ra quang \u1ed5n \u0111\u1ecbnh (\u0111\u1ed9 tr\u00f4i th\u1ea5p theo th\u1eddi gian)<\/p><\/li>\n\n\n\n<li><p>\u0110\u1ed9 r\u1ed9ng ph\u1ed5 h\u1eb9p (\u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi ngu\u1ed3n laser)<\/p><\/li>\n\n\n\n<li><p>T\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c b\u01b0\u1edbc s\u00f3ng ti\u00eau chu\u1ea9n<\/p><\/li>\n\n\n\n<li><p>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u00e1y \u0111o c\u00f4ng su\u1ea5t quang<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i trong c\u00e1c h\u1ec7 th\u1ed1ng ki\u1ec3m tra t\u1ed5n hao quang (OLTS).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c ch\u1ee9c n\u0103ng ch\u00ednh:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ph\u00e1t ra t\u00edn hi\u1ec7u quang \u1ed5n \u0111\u1ecbnh<\/p><\/li>\n\n\n\n<li><p>H\u1ed7 tr\u1ee3 c\u00e1c b\u01b0\u1edbc s\u00f3ng c\u1ee5 th\u1ec3 <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-wavelengths-850nm-1310nm-1550nm-guide\/\" target=\"_blank\" rel=\"\">b\u01b0\u1edbc s\u00f3ng<\/a> (v\u00ed d\u1ee5: 1310 nm, 1550 nm)<\/p><\/li>\n\n\n\n<li><p>Cho ph\u00e9p th\u1ef1c hi\u1ec7n ki\u1ec3m tra t\u1ed5n hao ch\u00e8n<\/p><\/li>\n\n\n\n<li><p>Ho\u1ea1t \u0111\u1ed9ng c\u00f9ng m\u00e1y \u0111o c\u00f4ng su\u1ea5t quang nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng OLTS<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udfe8 Ngu\u1ed3n s\u00e1ng quang s\u1ee3i ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ngu\u1ed3n s\u00e1ng quang s\u1ee3i gi\u00fap l\u00e0m r\u00f5 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3 trong c\u00e1c h\u1ec7 th\u1ed1ng ki\u1ec3m tra v\u00e0 truy\u1ec1n th\u00f4ng.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/84d2dfdfb13249eaa22bb395559fd814.jpg\" alt=\"How Does a Fiber Optical Light Source Work?\" class=\"wp-image-2551\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/84d2dfdfb13249eaa22bb395559fd814.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/84d2dfdfb13249eaa22bb395559fd814-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/84d2dfdfb13249eaa22bb395559fd814-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/84d2dfdfb13249eaa22bb395559fd814-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/84d2dfdfb13249eaa22bb395559fd814-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft b\u1ecb t\u1ea1o ra \u00e1nh s\u00e1ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111i-\u1ed1t ph\u00e1t s\u00e1ng (LED) ho\u1eb7c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/laser-types-in-optical-transceiver-modules\/\">\u0111i-\u1ed1t laser<\/a>. \u00c1nh s\u00e1ng n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1t ra \u1edf b\u01b0\u1edbc s\u00f3ng c\u1ee5 th\u1ec3 v\u00e0 \u0111\u01b0a v\u00e0o s\u1ee3i quang th\u00f4ng qua giao di\u1ec7n k\u1ebft n\u1ed1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u0111\u00e3 v\u00e0o trong s\u1ee3i, \u00e1nh s\u00e1ng lan truy\u1ec1n d\u1ecdc theo l\u00f5i v\u00e0 ch\u1ecbu \u1ea3nh h\u01b0\u1edfng b\u1edfi suy hao, ph\u1ea3n x\u1ea1 v\u00e0 t\u00e1n x\u1ea1. \u1ede \u0111\u1ea7u thu, m\u1ed9t m\u00e1y \u0111o c\u00f4ng su\u1ea5t \u0111o c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u c\u00f2n l\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 ch\u00eanh l\u1ec7ch gi\u1eefa c\u00f4ng su\u1ea5t ph\u00e1t v\u00e0 c\u00f4ng su\u1ea5t thu bi\u1ec3u th\u1ecb m\u1ee9c suy hao quang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Truy\u1ec1n d\u1eabn \u00e1nh s\u00e1ng trong s\u1ee3i quang<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 hai ch\u1ebf \u0111\u1ed9 truy\u1ec1n d\u1eabn ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/476092.htm\" target=\"_self\"><strong>What Does SFP Stand For?<\/strong><\/a><strong> (SMF)<br><\/strong>: S\u1eed d\u1ee5ng ngu\u1ed3n laser, h\u1ed7 tr\u1ee3 truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/476091.htm\" target=\"_self\"><strong>Direct Attach Copper (DAC)<\/strong><\/a><strong> (MMF)<br><\/strong>: S\u1eed d\u1ee5ng ngu\u1ed3n LED, ph\u00f9 h\u1ee3p cho kho\u1ea3ng c\u00e1ch ng\u1eafn<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eabn, \u00e1nh s\u00e1ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Suy hao do h\u1ea5p th\u1ee5<\/p><\/li>\n\n\n\n<li><p>Suy hao do t\u00e1n x\u1ea1<\/p><\/li>\n\n\n\n<li><p>Suy hao t\u1ea1i \u0111i\u1ec3m n\u1ed1i v\u00e0 m\u1ed1i h\u00e0n<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ngu\u1ed3n s\u00e1ng \u1ed5n \u0111\u1ecbnh \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i cao.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udfe8 C\u00e1c lo\u1ea1i ngu\u1ed3n s\u00e1ng quang s\u1ee3i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau y\u00eau c\u1ea7u c\u00e1c lo\u1ea1i ngu\u1ed3n s\u00e1ng kh\u00e1c nhau. Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 th\u1ef1c hi\u1ec7n ki\u1ec3m tra ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1a93db96490e4a5f9dcbf773ab1d4bd5.jpg\" alt=\"Types of Fiber Optical Light Sources\" class=\"wp-image-2552\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1a93db96490e4a5f9dcbf773ab1d4bd5.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1a93db96490e4a5f9dcbf773ab1d4bd5-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1a93db96490e4a5f9dcbf773ab1d4bd5-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1a93db96490e4a5f9dcbf773ab1d4bd5-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1a93db96490e4a5f9dcbf773ab1d4bd5-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u2460 Ngu\u1ed3n s\u00e1ng LED<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ngu\u1ed3n s\u00e1ng d\u1ef1a tr\u00ean LED th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ki\u1ec3m tra s\u1ee3i quang \u0111a mode.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Chi ph\u00ed th\u1ea5p h\u01a1n<\/p><\/li>\n\n\n\n<li><p>Tu\u1ed5i th\u1ecd d\u00e0i h\u01a1n<\/p><\/li>\n\n\n\n<li><p>Ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng kho\u1ea3ng c\u00e1ch ng\u1eafn<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c b\u01b0\u1edbc s\u00f3ng ph\u1ed5 bi\u1ebfn:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>850 nm<\/p><\/li>\n\n\n\n<li><p>1300 nm<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1ea1ng LAN<\/p><\/li>\n\n\n\n<li><p>H\u1ec7 th\u1ed1ng c\u00e1p trung t\u00e2m d\u1eef li\u1ec7u<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u2461 Ngu\u1ed3n s\u00e1ng laser<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ngu\u1ed3n s\u00e1ng laser \u0111\u01b0\u1ee3c d\u00f9ng cho c\u00e1c \u1ee9ng d\u1ee5ng s\u1ee3i quang \u0111\u01a1n mode.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n<\/p><\/li>\n\n\n\n<li><p>\u0110\u1ed9 r\u1ed9ng ph\u1ed5 h\u1eb9p<\/p><\/li>\n\n\n\n<li><p>Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn xa h\u01a1n<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c b\u01b0\u1edbc s\u00f3ng ph\u1ed5 bi\u1ebfn:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>1310 nm<\/p><\/li>\n\n\n\n<li><p>1550 nm<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1ea1ng vi\u1ec5n th\u00f4ng<\/p><\/li>\n\n\n\n<li><p>Li\u00ean k\u1ebft s\u1ee3i quang \u0111\u01b0\u1eddng d\u00e0i<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u2462 Ngu\u1ed3n s\u00e1ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c b\u01b0\u1edbc s\u00f3ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ngu\u1ed3n s\u00e1ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i b\u01b0\u1edbc s\u00f3ng \u0111\u1ea7u ra m\u1ed9t c\u00e1ch linh ho\u1ea1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u1ed9 linh ho\u1ea1t cao<\/p><\/li>\n\n\n\n<li><p>Thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/wdm-optical-transceiver-module-applications\/\" target=\"_blank\" rel=\"\">WDM<\/a> ki\u1ec3m tra<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u1ee8ng D\u1ee5ng:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-dwdm-explaining-dense-wavelength-division-multiplexing\/\" target=\"_blank\" rel=\"\">DWDM<\/a> )<\/p><\/li>\n\n\n\n<li><p>Ki\u1ec3m tra th\u00e0nh ph\u1ea7n quang h\u1ecdc<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u2463 Ngu\u1ed3n s\u00e1ng quang h\u1ecdc c\u1ea7m tay<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft b\u1ecb di \u0111\u1ed9ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh ri\u00eang cho s\u1eed d\u1ee5ng ngo\u00e0i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Nh\u1ecf g\u1ecdn v\u00e0 nh\u1eb9<\/p><\/li>\n\n\n\n<li><p>Ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng pin<\/p><\/li>\n\n\n\n<li><p>D\u1ec5 v\u1eadn h\u00e0nh<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u1ee8ng D\u1ee5ng:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>L\u1eafp \u0111\u1eb7t s\u1ee3i quang t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/p><\/li>\n\n\n\n<li><p>B\u1ea3o tr\u00ec v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udfe8 C\u00e1c t\u00ednh n\u0103ng v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Khi l\u1ef1a ch\u1ecdn ngu\u1ed3n s\u00e1ng quang s\u1ee3i, c\u1ea7n xem x\u00e9t nhi\u1ec1u th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0a1583b2dcc74d8095c64d59f37bf1ab.jpg\" alt=\"Key Features and Specifications\" class=\"wp-image-2553\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0a1583b2dcc74d8095c64d59f37bf1ab.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0a1583b2dcc74d8095c64d59f37bf1ab-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0a1583b2dcc74d8095c64d59f37bf1ab-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0a1583b2dcc74d8095c64d59f37bf1ab-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0a1583b2dcc74d8095c64d59f37bf1ab-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc s\u00f3ng<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc s\u00f3ng x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi lo\u1ea1i s\u1ee3i quang v\u00e0 \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 279px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"279\"><p>Lo\u1ea1i s\u1ee3i<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>B\u01b0\u1edbc s\u00f3ng<br><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"279\"><p>\u0110a mode<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>850 \/ 1300 nm<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"279\"><p>\u0110\u01a1n ch\u1ebf \u0111\u1ed9<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310 \/ 1550 nm<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00f4ng su\u1ea5t \u0111\u1ea7u ra<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1ee3c \u0111o b\u1eb1ng dBm, c\u00f4ng su\u1ea5t \u0111\u1ea7u ra \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ph\u1ea1m vi ki\u1ec3m tra v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00f4ng su\u1ea5t cao h\u01a1n \u2192 ki\u1ec3m tra \u1edf kho\u1ea3ng c\u00e1ch xa h\u01a1n<\/p><\/li>\n\n\n\n<li><p>C\u00f4ng su\u1ea5t th\u1ea5p h\u01a1n \u2192 ph\u00f9 h\u1ee3p cho c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ngu\u1ed3n s\u00e1ng t\u1ed1t n\u00ean cung c\u1ea5p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u1ea7u ra \u1ed5n \u0111\u1ecbnh theo th\u1eddi gian<\/p><\/li>\n\n\n\n<li><p>Dao \u0111\u1ed9ng t\u1ed1i thi\u1ec3u<\/p><\/li>\n\n\n\n<li><p>\u0110\u1ed9 l\u1eb7p l\u1ea1i cao<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111o l\u01b0\u1eddng nh\u1ea5t qu\u00e1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lo\u1ea1i \u0111\u1ea7u n\u1ed1i<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c giao di\u1ec7n quang ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SC<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-duplex-lc-connector-explained\/\" target=\"_blank\" rel=\"\">LC<\/a><\/p><\/li>\n\n\n\n<li><p>FC<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ee3i quang hi\u1ec7n c\u00f3 l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udfe8 \u1ee8ng d\u1ee5ng trong ki\u1ec3m tra s\u1ee3i quang<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ngu\u1ed3n s\u00e1ng s\u1ee3i quang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 t\u00ecnh hu\u1ed1ng kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a3a41738ff394eb29a916198e18df3dd.jpg\" alt=\"Applications in Fiber Optic Testing\" class=\"wp-image-2554\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a3a41738ff394eb29a916198e18df3dd.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a3a41738ff394eb29a916198e18df3dd-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a3a41738ff394eb29a916198e18df3dd-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a3a41738ff394eb29a916198e18df3dd-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a3a41738ff394eb29a916198e18df3dd-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra t\u1ed5n hao ch\u00e8n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110o t\u1ed5n hao t\u00edn hi\u1ec7u tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng truy\u1ec1n s\u1ee3i quang<\/p><\/li>\n\n\n\n<li><p>\u0110\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng m\u1ea1ng \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ee9ng nh\u1eadn \u0111\u01b0\u1eddng truy\u1ec1n s\u1ee3i quang<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t \u0111\u1ec3 x\u00e1c minh \u0111\u01b0\u1eddng truy\u1ec1n s\u1ee3i quang \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt y\u00eau c\u1ea7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tri\u1ec3n khai m\u1ea1ng vi\u1ec5n th\u00f4ng<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1ea1ng l\u00f5i<\/p><\/li>\n\n\n\n<li><p>L\u1eafp \u0111\u1eb7t FTTH<\/p><\/li>\n\n\n\n<li><p>H\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng kho\u1ea3ng c\u00e1ch xa<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110i c\u00e1p trung t\u00e2m d\u1eef li\u1ec7u<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u1ebft n\u1ed1i s\u1ee3i quang m\u1eadt \u0111\u1ed9 cao<\/p><\/li>\n\n\n\n<li><p>Li\u00ean k\u1ebft t\u1ed1c \u0111\u1ed9 cao kho\u1ea3ng c\u00e1ch ng\u1eafn<\/p><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udfe8 Ngu\u1ed3n s\u00e1ng quang h\u1ecdc so v\u1edbi \u0110\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang h\u1ecdc<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f6b416ea5a7541aca1e5d0f385416fe1.jpg\" alt=\"Optical Light Source vs. Optical Power Meter\" class=\"wp-image-2555\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f6b416ea5a7541aca1e5d0f385416fe1.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f6b416ea5a7541aca1e5d0f385416fe1-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f6b416ea5a7541aca1e5d0f385416fe1-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f6b416ea5a7541aca1e5d0f385416fe1-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f6b416ea5a7541aca1e5d0f385416fe1-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Hai thi\u1ebft b\u1ecb n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ed3ng th\u1eddi nh\u01b0ng th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Thi\u1ebft b\u1ecb<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Ch\u1ee9c n\u0103ng<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Ngu\u1ed3n s\u00e1ng quang h\u1ecdc<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00e1t \u00e1nh s\u00e1ng v\u00e0o s\u1ee3i quang<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-optical-power-meter-opm\/\">\u0110\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang h\u1ecdc<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110o \u00e1nh s\u00e1ng nh\u1eadn \u0111\u01b0\u1ee3c<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1eed d\u1ee5ng k\u1ebft h\u1ee3p: B\u1ed9 ki\u1ec3m tra t\u1ed5n hao quang (OLTS)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi s\u1eed d\u1ee5ng \u0111\u1ed3ng th\u1eddi, ch\u00fang t\u1ea1o th\u00e0nh m\u1ed9t: <strong>B\u1ed9 ki\u1ec3m tra t\u1ed5n hao quang (OLTS)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea5u h\u00ecnh n\u00e0y cho ph\u00e9p k\u1ef9 thu\u1eadt vi\u00ean \u0111o ch\u00ednh x\u00e1c t\u1ed5ng t\u1ed5n hao c\u1ee7a to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udfe8 C\u00e1ch ch\u1ecdn ngu\u1ed3n s\u00e1ng quang h\u1ecdc ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4b03647ec31840238a21491ae8e68ac7.jpg\" alt=\"How to Choose the Right Optical Light Source\" class=\"wp-image-2556\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4b03647ec31840238a21491ae8e68ac7.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4b03647ec31840238a21491ae8e68ac7-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4b03647ec31840238a21491ae8e68ac7-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4b03647ec31840238a21491ae8e68ac7-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4b03647ec31840238a21491ae8e68ac7-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">D\u1ef1a tr\u00ean lo\u1ea1i s\u1ee3i quang<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>S\u1eed d\u1ee5ng ngu\u1ed3n LED cho s\u1ee3i quang \u0111a mode<\/p><\/li>\n\n\n\n<li><p>S\u1eed d\u1ee5ng ngu\u1ed3n laser cho s\u1ee3i quang \u0111\u01a1n mode<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">D\u1ef1a tr\u00ean y\u00eau c\u1ea7u ki\u1ec3m tra<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ki\u1ec3m tra c\u01a1 b\u1ea3n \u2192 thi\u1ebft b\u1ecb c\u1ea7m tay ti\u00eau chu\u1ea9n<\/p><\/li>\n\n\n\n<li><p>Ki\u1ec3m tra n\u00e2ng cao \u2192 ngu\u1ed3n \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng ho\u1eb7c ngu\u1ed3n \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">D\u1ef1a tr\u00ean m\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>L\u00e0m vi\u1ec7c ngo\u00e0i hi\u1ec7n tr\u01b0\u1eddng \u2192 thi\u1ebft k\u1ebf di \u0111\u1ed9ng v\u00e0 b\u1ec1n b\u1ec9<\/p><\/li>\n\n\n\n<li><p>Ph\u00f2ng th\u00ed nghi\u1ec7m \u2192 \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">D\u1ef1a tr\u00ean y\u00eau c\u1ea7u v\u1ec1 b\u01b0\u1edbc s\u00f3ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 c\u00e1c b\u01b0\u1edbc s\u00f3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">D\u1ef1a tr\u00ean lo\u1ea1i m\u1ea1ng<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 297px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>Lo\u1ea1i m\u1ea1ng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Ngu\u1ed3n \u0111\u1ec1 xu\u1ea5t<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>FTTH<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Laser 1310\/1550 nm<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-data-center\/\">Trung t\u00e2m d\u1eef li\u1ec7u<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>LED 850\/1300 nm<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>Truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Laser c\u00f4ng su\u1ea5t cao<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn khi s\u1eed d\u1ee5ng ngu\u1ed3n s\u00e1ng quang h\u1ecdc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sai l\u1ea7m 1: S\u1eed d\u1ee5ng sai b\u01b0\u1edbc s\u00f3ng \u2192 D\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 kh\u00f4ng ch\u00ednh x\u00e1c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sai l\u1ea7m 2: B\u1ecf qua vi\u1ec7c l\u00e0m s\u1ea1ch \u0111\u1ea7u n\u1ed1i \u2192 G\u00e2y t\u1ed5n hao t\u00edn hi\u1ec7u<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sai l\u1ea7m 3: Kh\u00f4ng \u1ed5n \u0111\u1ecbnh thi\u1ebft b\u1ecb tr\u01b0\u1edbc khi \u0111o \u2192 Dao \u0111\u1ed9ng \u0111\u1ea7u ra<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sai l\u1ea7m 4: S\u1eed d\u1ee5ng sai lo\u1ea1i s\u1ee3i quang \u2192 Sai s\u1ed1 \u0111o l\u01b0\u1eddng<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udfe8 C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 ngu\u1ed3n s\u00e1ng quang h\u1ecdc s\u1ee3i quang<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6e5a2ea4357e4a8aa792c45aa6efb578.jpg\" alt=\"FAQs About Fiber Optical Light Sources\" class=\"wp-image-2557\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6e5a2ea4357e4a8aa792c45aa6efb578.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6e5a2ea4357e4a8aa792c45aa6efb578-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6e5a2ea4357e4a8aa792c45aa6efb578-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6e5a2ea4357e4a8aa792c45aa6efb578-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6e5a2ea4357e4a8aa792c45aa6efb578-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 1: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ngu\u1ed3n s\u00e1ng LED v\u00e0 ngu\u1ed3n s\u00e1ng laser l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ngu\u1ed3n LED \u0111\u01b0\u1ee3c d\u00f9ng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111a mode kho\u1ea3ng c\u00e1ch ng\u1eafn, trong khi ngu\u1ed3n laser \u0111\u01b0\u1ee3c d\u00f9ng cho truy\u1ec1n d\u1eabn \u0111\u01a1n mode kho\u1ea3ng c\u00e1ch xa v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 2: C\u00e1c b\u01b0\u1edbc s\u00f3ng n\u00e0o th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ee3i quang?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c b\u01b0\u1edbc s\u00f3ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>850 nm \/ 1300 nm (\u0111a mode)<\/p><\/li>\n\n\n\n<li><p>1310 nm \/ 1550 nm (\u0111\u01a1n mode)<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 3: Ngu\u1ed3n s\u00e1ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3, nh\u01b0ng kh\u00f4ng th\u1ec3 t\u1ef1 \u0111o t\u1ed5n hao. C\u1ea7n c\u00f3 \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t \u0111\u1ec3 ki\u1ec3m tra ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 4: OLTS trong ki\u1ec3m tra s\u1ee3i quang l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">OLTS l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a B\u1ed9 ki\u1ec3m tra t\u1ed5n hao quang, bao g\u1ed3m m\u1ed9t ngu\u1ed3n s\u00e1ng v\u00e0 m\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t nh\u1eb1m \u0111o t\u1ed5ng t\u1ed5n hao c\u1ee7a to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udfe8 Nh\u1eefng \u0111i\u1ec3m ch\u00ednh v\u1ec1 ngu\u1ed3n s\u00e1ng quang h\u1ecdc s\u1ee3i quang<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>ngu\u1ed3n s\u00e1ng quang s\u1ee3i<\/strong> l\u00e0 c\u00f4ng c\u1ee5 c\u01a1 b\u1ea3n trong truy\u1ec1n th\u00f4ng v\u00e0 ki\u1ec3m tra s\u1ee3i quang. T\u1eeb l\u1eafp \u0111\u1eb7t, b\u1ea3o tr\u00ec \u0111\u1ebfn <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-troubleshooting-quick-checklist\/\">Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/a> v\u00e0 ch\u1ee9ng nh\u1eadn, n\u00f3 \u0111\u1ea3m b\u1ea3o c\u00e1c m\u1ea1ng quang ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, c\u00e1c lo\u1ea1i v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a n\u00f3, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn \u0111\u00fang thi\u1ebft b\u1ecb cho \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c, nh\u1ea5t qu\u00e1n.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0248d02617694c9ead68ff49fc7e7b88.jpg\" alt=\"Key Takeaways on Fiber Optical Light Source\" class=\"wp-image-2558\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0248d02617694c9ead68ff49fc7e7b88.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0248d02617694c9ead68ff49fc7e7b88-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0248d02617694c9ead68ff49fc7e7b88-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0248d02617694c9ead68ff49fc7e7b88-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0248d02617694c9ead68ff49fc7e7b88-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Khi c\u00e1c m\u1ea1ng s\u1ee3i quang ti\u1ebfp t\u1ee5c m\u1edf r\u1ed9ng trong l\u0129nh v\u1ef1c vi\u1ec5n th\u00f4ng, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng doanh nghi\u1ec7p, t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 ki\u1ec3m tra ch\u00ednh x\u00e1c nh\u01b0 ngu\u1ed3n s\u00e1ng quang h\u1ecdc s\u1ee3i quang s\u1ebd ng\u00e0y c\u00e0ng gia t\u0103ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1m ph\u00e1 c\u00e1c gi\u1ea3i ph\u00e1p s\u1ee3i quang hi\u1ec7u su\u1ea5t cao, bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n k\u1ebft n\u1ed1i v\u00e0 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">module quang<br><\/a>, t\u1ea1i <a target=\"_self\" href=\"https:\/\/www.l-p.com\/\"><strong>C\u1eeda h\u00e0ng Ch\u00ednh th\u1ee9c LINK-PP<\/strong><\/a> \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u tri\u1ec3n khai v\u00e0 ki\u1ec3m tra m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u ngu\u1ed3n s\u00e1ng quang s\u1ee3i l\u00e0 g\u00ec, c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng, c\u00e1c lo\u1ea1i c\u1ee7a n\u00f3 v\u00e0 c\u00e1ch ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p \u0111\u1ec3 th\u1ef1c hi\u1ec7n ki\u1ec3m tra s\u1ee3i ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1nh gi\u00e1 hi\u1ec7u n\u0103ng m\u1ea1ng.<\/p>","protected":false},"author":1,"featured_media":2559,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-2560","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2560","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/comments?post=2560"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2560\/revisions"}],"predecessor-version":[{"id":10710,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2560\/revisions\/10710"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/2559"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=2560"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=2560"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=2560"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}