{"id":4298,"date":"2025-06-17T00:00:00","date_gmt":"2025-06-17T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/dfb-laser-definition\/"},"modified":"2026-06-22T09:27:11","modified_gmt":"2026-06-22T09:27:11","slug":"dfb-laser-definition","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/dfb-laser-definition","title":{"rendered":"DFB Laser l\u00e0 g\u00ec?"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d76589cf4b2461d80ec5173d4f81a24.webp\" alt=\"What Is DFB Laser\" class=\"wp-image-4295\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d76589cf4b2461d80ec5173d4f81a24.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d76589cf4b2461d80ec5173d4f81a24-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d76589cf4b2461d80ec5173d4f81a24-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d76589cf4b2461d80ec5173d4f81a24-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d76589cf4b2461d80ec5173d4f81a24-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span>Trong l\u0129nh v\u1ef1c truy\u1ec1n th\u00f4ng quang s\u1ee3i, <strong>\u0111i-\u1ed1t laser<\/strong> n\u1eb1m \u1edf trung t\u00e2m c\u1ee7a m\u1ecdi b\u1ed9 ph\u00e1t quang. Trong s\u1ed1 \u0111\u00f3, laser <strong>Ph\u1ea3n h\u1ed3i Ph\u00e2n b\u1ed1 (DFB)<\/strong> n\u1ed5i b\u1eadt nh\u1edd hi\u1ec7u n\u0103ng cao, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ed1t v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c li\u00ean k\u1ebft quang t\u1ed1c \u0111\u1ed9 cao, kho\u1ea3ng c\u00e1ch xa. B\u00e0i vi\u1ebft n\u00e0y kh\u00e1m ph\u00e1 <strong>DFB laser l\u00e0 g\u00ec<\/strong>, nguy\u00ean l\u00fd <strong>ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3<\/strong>, nguy\u00ean l\u00fd <strong>\u01b0u \u0111i\u1ec3m<\/strong>, v\u00e0 c\u00e1ch so s\u00e1nh n\u00f3 v\u1edbi <strong>laser Fabry\u2013P\u00e9rot (FP)<\/strong>, v\u00e0 <strong>Laser VCSEL<\/strong>.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><span>\ud83d\udd0d \u0110\u1ecbnh ngh\u0129a laser DFB<\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span>A <strong>Laser DFB (laser ph\u1ea3n h\u1ed3i ph\u00e2n b\u1ed1)<\/strong> l\u00e0 m\u1ed9t lo\u1ea1i <strong>\u0111i-\u1ed1t laser b\u00e1n d\u1eabn<\/strong> trong \u0111\u00f3 m\u1ed9t <strong>c\u1ea5u tr\u00fac tu\u1ea7n ho\u00e0n<\/strong> (g\u1ecdi l\u00e0 <strong>m\u1ea1ng Bragg<\/strong>) \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p tr\u1ef1c ti\u1ebfp v\u00e0o v\u00f9ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a laser. M\u1ea1ng n\u00e0y cung c\u1ea5p <strong>ph\u1ea3n h\u1ed3i quang ph\u00e2n b\u1ed1<\/strong>, cho ph\u00e9p thi\u1ebft b\u1ecb ph\u00e1t ra \u00e1nh s\u00e1ng t\u1ea1i m\u1ed9t <strong>b\u01b0\u1edbc s\u00f3ng duy nh\u1ea5t<\/strong> v\u1edbi <strong>\u0111\u1ed9 tinh khi\u1ebft ph\u1ed5 cao<\/strong>.<\/span><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><span>Kh\u00e1c v\u1edbi laser Fabry\u2013P\u00e9rot, v\u1ed1n d\u1ef1a v\u00e0o g\u01b0\u01a1ng hai \u0111\u1ea7u \u0111\u1ec3 ph\u1ea3n h\u1ed3i v\u00e0 ph\u00e1t ra nhi\u1ec1u b\u01b0\u1edbc s\u00f3ng (\u0111a ch\u1ebf \u0111\u1ed9), laser DFB \u1ee9c ch\u1ebf c\u00e1c ch\u1ebf \u0111\u1ed9 ph\u1ee5 v\u00e0 cung c\u1ea5p \u0111\u1ea7u ra <strong>\u0111\u01a1n ch\u1ebf \u0111\u1ed9, \u0111\u1ed9 r\u1ed9ng v\u1ea1ch h\u1eb9p<\/strong>.<\/span><\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83e\udde9 C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a laser DFB<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>V\u00f9ng ho\u1ea1t \u0111\u1ed9ng:<\/strong> M\u00f4i tr\u01b0\u1eddng khu\u1ebfch \u0111\u1ea1i b\u00e1n d\u1eabn n\u01a1i x\u1ea3y ra ph\u00e1t x\u1ea1 k\u00edch th\u00edch.<\/p><\/li><li><p><strong>M\u1ea1ng Bragg:<\/strong> M\u1ed9t c\u1ea5u tr\u00fac tu\u1ea7n ho\u00e0n b\u00ean trong v\u00f9ng ho\u1ea1t \u0111\u1ed9ng, ph\u1ea3n x\u1ea1 c\u00e1c b\u01b0\u1edbc s\u00f3ng c\u1ee5 th\u1ec3 nh\u1eb1m \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u0111\u01a1n ch\u1ebf \u0111\u1ed9.<\/p><\/li><li><p><strong>C\u1ea5u tr\u00fac d\u1ecbch pha:<\/strong> Th\u01b0\u1eddng \u0111\u01b0a v\u00e0o m\u1ed9t d\u1ecbch pha \u03bb\/4 \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh h\u01a1n n\u1eefa \u0111\u1ea7u ra \u0111\u01a1n ch\u1ebf \u0111\u1ed9.<\/p><\/li><li><p><strong>L\u1edbp ph\u1ee7 m\u1eb7t c\u1eaft:<\/strong> M\u1ed9t \u0111\u1ea7u th\u01b0\u1eddng c\u00f3 l\u1edbp ph\u1ee7 ch\u1ed1ng ph\u1ea3n x\u1ea1 (AR), trong khi \u0111\u1ea7u kia c\u00f3 l\u1edbp ph\u1ee7 ph\u1ea3n x\u1ea1 cao (HR) nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a \u0111\u1ea7u ra v\u00e0 ph\u1ea3n h\u1ed3i.<\/p><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/59344372e19640c6be82667e3a2841d7.webp\" alt=\"Distributed Feedback Laser\" class=\"wp-image-4296\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/59344372e19640c6be82667e3a2841d7.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/59344372e19640c6be82667e3a2841d7-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/59344372e19640c6be82667e3a2841d7-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/59344372e19640c6be82667e3a2841d7-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/59344372e19640c6be82667e3a2841d7-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2699\ufe0f Laser DFB ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a laser DFB d\u1ef1a tr\u00ean <strong>ph\u1ea3n x\u1ea1 Bragg<\/strong>. \u0110\u00e2y l\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p><strong>Ti\u00eam d\u00f2ng \u0111i\u1ec7n<\/strong> v\u00e0o v\u00f9ng ho\u1ea1t \u0111\u1ed9ng k\u00edch th\u00edch electron v\u00e0 l\u1ed7 tr\u1ed1ng.<\/p><\/li><li><p>S\u1ef1 t\u00e1i h\u1ee3p c\u1ee7a ch\u00fang t\u1ea1o ra photon (\u00e1nh s\u00e1ng).<\/p><\/li><li><p>A <strong>m\u1ea1ng Bragg<\/strong>\u2014s\u1ef1 thay \u0111\u1ed5i tu\u1ea7n ho\u00e0n v\u1ec1 chi\u1ebft quang\u2014\u0111\u01b0\u1ee3c nh\u00fang trong v\u00f9ng ho\u1ea1t \u0111\u1ed9ng.<\/p><\/li><li><p>M\u1ea1ng ph\u1ea3n x\u1ea1 ch\u1ec9 m\u1ed9t b\u01b0\u1edbc s\u00f3ng c\u1ee5 th\u1ec3 (b\u01b0\u1edbc s\u00f3ng Bragg), t\u1ea1o th\u00e0nh m\u1ed9t <strong>s\u00f3ng \u0111\u1ee9ng<\/strong>.<\/p><\/li><li><p>\u0110i\u1ec1u n\u00e0y g\u00e2y ra <strong>giao thoa t\u0103ng c\u01b0\u1eddng<\/strong> t\u1ea1i b\u01b0\u1edbc s\u00f3ng mong mu\u1ed1n, c\u1ee7ng c\u1ed1 m\u1ed9t ch\u1ebf \u0111\u1ed9 d\u1ecdc v\u00e0 \u1ee9c ch\u1ebf c\u00e1c ch\u1ebf \u0111\u1ed9 kh\u00e1c.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83c\udd9a So s\u00e1nh v\u1edbi c\u00e1c lo\u1ea1i laser kh\u00e1c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >So s\u00e1nh DFB \u2013 FP \u2013 VCSEL: Nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh<\/h3>\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;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u0110\u1eb7c t\u00ednh \/ Lo\u1ea1i laser<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Laser FP<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Laser DFB<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Laser VCSEL.<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>H\u01b0\u1edbng ph\u00e1t x\u1ea1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u1ea1nh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u1ea1nh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u1eb3ng \u0111\u1ee9ng<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ed9 r\u1ed9ng v\u1ea1ch ph\u1ed5<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>R\u1ed9ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>R\u1ea5t h\u1eb9p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Trung b\u00ecnh<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh b\u01b0\u1edbc s\u00f3ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>K\u00e9m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Xu\u1ea5t s\u1eafc<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1t<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 \u0111i\u1ec1u ch\u1ebf<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u00f4i tr\u01b0\u1eddng truy\u1ec1n d\u1eabn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Ki\u1ec3m so\u00e1t ch\u1ebf \u0111\u1ed9<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01a1n ch\u1ebf \u0111\u1ed9<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01a1n ch\u1ebf \u0111\u1ed9<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110a ch\u1ebf \u0111\u1ed9<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i s\u1ee3i<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MMF<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>B\u01b0\u1edbc s\u00f3ng \u0111i\u1ec3n h\u00ecnh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>~1310 nm<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1270\u20131610 nm<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>~850 nm<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft c\u0169, kho\u1ea3ng c\u00e1ch trung-b\u00ecnh ng\u1eafn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Trung t\u00e2m d\u1eef li\u1ec7u, WDM, vi\u1ec5n th\u00f4ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u00f4-\u0111un kho\u1ea3ng c\u00e1ch ng\u1eafn, chi ph\u00ed th\u1ea5p<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Cost<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u1ea5p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Trung-b\u00ecnh \u0111\u1ebfn Cao<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u1ea5p<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udcc8 V\u00ec sao laser DFB \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong b\u1ed9 ph\u00e1t quang?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Laser DFB \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> v\u00ec nh\u1eefng l\u00fd do then ch\u1ed1t sau:<\/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>\u0110\u1eb7c t\u00ednh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>L\u1ee3i \u00edch \u0111\u1ed1i v\u1edbi b\u1ed9 ph\u00e1t quang<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh b\u01b0\u1edbc s\u00f3ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p\/><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ed9 r\u1ed9ng v\u1ea1ch h\u1eb9p<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cho ph\u00e9p \u0111i\u1ec1u ch\u1ebf t\u1ed1c \u0111\u1ed9 cao v\u00e0 gi\u1ea3m t\u00e1n s\u1eafc<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ea7u ra \u0111\u01a1n ch\u1ebf \u0111\u1ed9<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Gi\u1ea3m nhi\u1ec5u v\u00e0 xuy\u00ean \u00e2m trong c\u00e1c m\u1ea1ng d\u00e0y \u0111\u1eb7c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ed9 bi\u1ebfn thi\u00ean t\u1ea7n s\u1ed1 (chirp) th\u1ea5p<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Duy tr\u00ec \u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u tr\u00ean c\u00e1c \u0111o\u1ea1n c\u00e1p s\u1ee3i quang d\u00e0i<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ea7u ra c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>H\u1eefu \u00edch cho vi\u1ec7c chia k\u00eanh trong h\u1ec7 th\u1ed1ng WDM<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd17 B\u1ea1n \u0111ang t\u00ecm m\u00f4-\u0111un thu ph\u00e1t quang s\u1eed d\u1ee5ng laser DFB?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i <strong>LINK-PP<\/strong>, ch\u00fang t\u00f4i cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c m\u00f4-\u0111un quang s\u1eed d\u1ee5ng laser DFB, v\u00ed d\u1ee5 nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/483196.htm\"><strong>LS-CW6110-10C:<br><\/strong><\/a><strong> M\u00f4-\u0111un thu ph\u00e1t SFP+ CWDM 10G cho kho\u1ea3ng c\u00e1ch 40 km<\/strong><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/483080.htm\"><strong>LS-CW5910-10C<\/strong><\/a><strong>: <\/strong>M\u00f4-\u0111un thu ph\u00e1t quang SMF 10G c\u00f3 ch\u1ee9c n\u0103ng gi\u00e1m s\u00e1t quang (DOM)<\/p><\/li><li><p>C\u00e1c m\u00f4-\u0111un OEM t\u00f9y ch\u1ec9nh cho \u1ee9ng d\u1ee5ng CPRI\/eCPRI<\/p><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>C\u00e1c m\u00f4-\u0111un thu ph\u00e1t quang laser DFB LINK-PP ho\u00e0n to\u00e0n t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c th\u01b0\u01a1ng hi\u1ec7u l\u1edbn v\u00e0 \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n vi\u1ec5n th\u00f4ng nghi\u00eam ng\u1eb7t.<\/p><\/blockquote>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup\/><tbody><tr\/><\/tbody>\n<\/table>\n<\/figure>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u DFB laser (laser ph\u1ea3n h\u1ed3i ph\u00e2n b\u1ed1) l\u00e0 g\u00ec, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, c\u1ea5u tr\u00fac v\u00e0 nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh so v\u1edbi laser FP v\u00e0 VCSEL.<\/p>","protected":false},"author":1,"featured_media":4297,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-4298","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\/4298","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=4298"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4298\/revisions"}],"predecessor-version":[{"id":11460,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4298\/revisions\/11460"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/4297"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=4298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=4298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=4298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}