{"id":4877,"date":"2025-09-26T11:12:00","date_gmt":"2025-09-26T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/optical-spectrum-analyzer-measuring-light-lasers-leds-fiber\/"},"modified":"2026-06-22T06:41:56","modified_gmt":"2026-06-22T06:41:56","slug":"optical-spectrum-analyzer-measuring-light-lasers-leds-fiber","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/optical-spectrum-analyzer-measuring-light-lasers-leds-fiber","title":{"rendered":"M\u00e1y ph\u00e2n t\u00edch quang ph\u1ed5 (OSA): H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n c\u1ee7a b\u1ea1n v\u1ec1 \u0111o l\u01b0\u1eddng \u00e1nh s\u00e1ng ch\u00ednh x\u00e1c"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1312\" height=\"736\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cb602641d280415981e5ab7655587802.webp\" alt=\"Optical Spectrum Analyzer (OSA)\" class=\"wp-image-4875\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cb602641d280415981e5ab7655587802.webp 1312w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cb602641d280415981e5ab7655587802-300x168.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cb602641d280415981e5ab7655587802-1024x574.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cb602641d280415981e5ab7655587802-768x431.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cb602641d280415981e5ab7655587802-18x10.webp 18w\" sizes=\"(max-width: 1312px) 100vw, 1312px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1ebf gi\u1edbi quang s\u1ee3i \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng, \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh. D\u00f9 b\u1ea1n \u0111ang tri\u1ec3n khai m\u1ea1ng 5G, ki\u1ec3m tra trung t\u00e2m d\u1eef li\u1ec7u hay \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a internet t\u1ed1c \u0111\u1ed9 cao, vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng truy\u1ec1n qua s\u1ee3i quang l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. \u0110\u00f3 l\u00e0 l\u00fac m\u1ed9t <strong>M\u00e1y ph\u00e2n t\u00edch ph\u1ed5 quang (OSA)<\/strong> xu\u1ea5t hi\u1ec7n\u2014m\u1ed9t thi\u1ebft b\u1ecb m\u1ea1nh m\u1ebd \u0111o b\u01b0\u1edbc s\u00f3ng, c\u00f4ng su\u1ea5t v\u00e0 \u0111\u1eb7c t\u00ednh ph\u1ed5 c\u1ee7a \u00e1nh s\u00e1ng. H\u00e3y coi n\u00f3 nh\u01b0 m\u1ed9t \u201ck\u00ednh hi\u1ec3n vi cho \u00e1nh s\u00e1ng\u201d, ti\u1ebft l\u1ed9 nh\u1eefng chi ti\u1ebft kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y b\u1eb1ng m\u1eaft th\u01b0\u1eddng. T\u1eeb vi\u1ec7c ph\u00e1t hi\u1ec7n bi\u1ebfn d\u1ea1ng t\u00edn hi\u1ec7u \u0111\u1ebfn t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t m\u00f4-\u0111un quang, m\u00e1y ph\u00e2n t\u00edch ph\u1ed5 quang (OSA) l\u00e0 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1ea1ng. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00e1ch OSAs ho\u1ea1t \u0111\u1ed9ng, c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ee7 ch\u1ed1t c\u1ee7a ch\u00fang v\u00e0 l\u00fd do v\u00ec sao ch\u00fang r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c ki\u1ec3m tra c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang t\u1ed1c \u0111\u1ed9 cao<\/strong><\/a>. Ngo\u00e0i ra, ch\u00fang ta s\u1ebd l\u00e0m n\u1ed5i b\u1eadt c\u00e1ch c\u00e1c th\u01b0\u01a1ng hi\u1ec7u nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a> t\u1eadn d\u1ee5ng d\u1eef li\u1ec7u t\u1eeb OSA \u0111\u1ec3 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady. S\u1eb5n s\u00e0ng th\u1eafp s\u00e1ng ki\u1ebfn th\u1ee9c c\u1ee7a b\u1ea1n ch\u01b0a? C\u00f9ng b\u1eaft \u0111\u1ea7u ngay!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd Nh\u1eefng \u0111i\u1ec3m c\u1ea7n ghi nh\u1edb ch\u00ednh<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u00e1y ph\u00e2n t\u00edch ph\u1ed5 quang (OSA) ki\u1ec3m tra c\u00f4ng su\u1ea5t \u00e1nh s\u00e1ng t\u1ea1i nhi\u1ec1u b\u01b0\u1edbc s\u00f3ng. Thi\u1ebft b\u1ecb n\u00e0y gi\u00fap b\u1ea1n t\u00ecm hi\u1ec3u v\u1ec1 laser, LED v\u00e0 t\u00edn hi\u1ec7u s\u1ee3i quang.<\/p><\/li><li><p>Ch\u1ecdn m\u1ed9t OSA ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n. H\u00e3y xem x\u00e9t d\u1ea3i b\u01b0\u1edbc s\u00f3ng, \u0111\u1ed9 ph\u00e2n gi\u1ea3i, \u0111\u1ed9 nh\u1ea1y v\u00e0 d\u1ea3i \u0111\u1ed9ng. \u0110\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n.<\/p><\/li><li><p>Ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean b\u1eb1ng OSA c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 c\u1ed1 m\u1ea1ng trong vi\u1ec5n th\u00f4ng. Thi\u1ebft b\u1ecb n\u00e0y gi\u00fap b\u1ea1n ph\u00e1t hi\u1ec7n nhi\u1ec5u v\u00e0 can thi\u1ec7p trong t\u00edn hi\u1ec7u s\u1ee3i quang.<\/p><\/li><li><p>C\u00f3 nhi\u1ec1u lo\u1ea1i OSA kh\u00e1c nhau, v\u00ed d\u1ee5 nh\u01b0 lo\u1ea1i d\u00f9ng c\u00e1ch t\u1eed, lo\u1ea1i Fabry-Perot v\u00e0 lo\u1ea1i FT-OSA. M\u1ed7i lo\u1ea1i \u0111\u1ec1u ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t s\u1ed1 nhi\u1ec7m v\u1ee5 nh\u1ea5t \u0111\u1ecbnh, v\u00ec v\u1eady h\u00e3y ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi b\u1ea1n.<\/p><\/li><li><p>Vi\u1ec7c s\u1eed d\u1ee5ng OSA gi\u00fap n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c nh\u1edd cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 k\u1ebft qu\u1ea3 nhanh ch\u00f3ng. C\u00f4ng c\u1ee5 n\u00e0y r\u1ea5t quan tr\u1ecdng trong ph\u00f2ng th\u00ed nghi\u1ec7m, nh\u00e0 m\u00e1y v\u00e0 m\u1ea1ng vi\u1ec5n th\u00f4ng.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd M\u00e1y ph\u00e2n t\u00edch ph\u1ed5 quang (OSA) l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <strong>M\u00e1y ph\u00e2n t\u00edch ph\u1ed5 quang (OSA)<\/strong> l\u00e0 thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng d\u00f9ng \u0111\u1ec3 ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n ph\u1ed5 c\u1ee7a t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng trong c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng quang. Thi\u1ebft b\u1ecb n\u00e0y \u0111o c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 b\u01b0\u1edbc s\u00f3ng (t\u00ednh b\u1eb1ng nanomet ho\u1eb7c nanomet), c\u00f4ng su\u1ea5t quang (t\u00ednh b\u1eb1ng dBm) v\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/snr-signal-to-noise-ratio-and-its-impact-on-signal-quality\/\"><strong>\u0111\u1ee7 cao<\/strong><\/a>, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p bi\u1ec3u di\u1ec5n \u0111\u1ed3 h\u1ecda c\u1ee7a ph\u1ed5. \u0110i\u1ec1u n\u00e0y gi\u00fap k\u1ef9 s\u01b0 x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 t\u00e1n s\u1eafc s\u1eafc m\u00e0u, tr\u00f4i t\u1ea7n s\u1ed1 laser ho\u1eb7c c\u00e1c h\u00e0i kh\u00f4ng mong mu\u1ed1n. C\u00e1c m\u00e1y ph\u00e2n t\u00edch ph\u1ed5 quang (OSA) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong <strong>ki\u1ec3m tra s\u1ee3i quang<\/strong>, <strong>m\u1ea1ng vi\u1ec5n th\u00f4ng<\/strong>, and <strong>ph\u00f2ng th\u00ed nghi\u1ec7m nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n (R&amp;D)<\/strong> nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c OSA ho\u1ea1t \u0111\u1ed9ng tr\u00ean nhi\u1ec1u d\u1ea3i b\u01b0\u1edbc s\u00f3ng kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u1ea3i C (1530\u20131565 nm) v\u00e0 d\u1ea3i L (1565\u20131625 nm), v\u1ed1n ph\u1ed5 bi\u1ebfn trong c\u00e1c h\u1ec7 th\u1ed1ng quang hi\u1ec7n \u0111\u1ea1i. Ch\u00fang c\u00f3 th\u1ec3 l\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ec3 b\u00e0n d\u00e0nh cho ph\u00f2ng th\u00ed nghi\u1ec7m ho\u1eb7c c\u00e1c m\u1eabu c\u1ea7m tay d\u00e0nh cho \u1ee9ng d\u1ee5ng th\u1ef1c \u0111\u1ecba.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd OSA ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? Khoa h\u1ecdc \u0111\u1eb1ng sau h\u1eadu tr\u01b0\u1eddng<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 b\u1ea3n ch\u1ea5t, m\u1ed9t<br> <strong>OSA<\/strong> s\u1eed d\u1ee5ng c\u00e1ch t\u1eed nhi\u1ec5u x\u1ea1 ho\u1eb7c giao thoa k\u1ebf \u0111\u1ec3 t\u00e1ch \u00e1nh s\u00e1ng th\u00e0nh c\u00e1c b\u01b0\u1edbc s\u00f3ng th\u00e0nh ph\u1ea7n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 s\u01a1 \u0111\u1ed3 \u0111\u01a1n gi\u1ea3n h\u00f3a:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>\u0110\u1ea7u v\u00e0o \u00e1nh s\u00e1ng<\/strong>: T\u00edn hi\u1ec7u quang \u0111\u01b0\u1ee3c gh\u00e9p v\u00e0o OSA th\u00f4ng qua \u0111\u1ea7u n\u1ed1i s\u1ee3i quang.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>T\u00e1n s\u1eafc<\/strong>: M\u1ed9t c\u00e1ch t\u1eed ho\u1eb7c l\u0103ng k\u00ednh t\u00e1ch \u00e1nh s\u00e1ng th\u00e0nh t\u1eebng b\u01b0\u1edbc s\u00f3ng ri\u00eang bi\u1ec7t.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ph\u00e1t hi\u1ec7n<\/strong>: M\u1ed9t m\u1ea3ng b\u1ed9 d\u00f2 quang \u0111o c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a m\u1ed7i b\u01b0\u1edbc s\u00f3ng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ph\u00e2n t\u00edch<\/strong>: Ph\u1ea7n m\u1ec1m x\u1eed l\u00fd d\u1eef li\u1ec7u \u0111\u1ec3 hi\u1ec3n th\u1ecb bi\u1ec3u \u0111\u1ed3 ph\u1ed5, th\u1ec3 hi\u1ec7n c\u00f4ng su\u1ea5t theo b\u01b0\u1edbc s\u00f3ng.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh n\u00e0y cho ph\u00e9p th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c, \u0111i\u1ec1u ki\u1ec7n thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/wdm-optical-transceiver-module-applications\/\"><strong>, trong \u0111\u00f3:<\/strong><\/a> c\u00e1c h\u1ec7 th\u1ed1ng, n\u01a1i nhi\u1ec1u t\u00edn hi\u1ec7u chia s\u1ebb chung m\u1ed9t s\u1ee3i quang. V\u00ed d\u1ee5, OSA c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n sai l\u1ec7ch kho\u1ea3ng c\u00e1ch k\u00eanh ho\u1eb7c m\u1ea5t c\u00e2n b\u1eb1ng c\u00f4ng su\u1ea5t\u2014nh\u1eefng y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m hi\u1ec7u n\u0103ng m\u1ea1ng.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1312\" height=\"808\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f61d2db6113b4c448b7f4beb6a622220.webp\" alt=\"Optical Spectrum Analyzers\" class=\"wp-image-4876\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f61d2db6113b4c448b7f4beb6a622220.webp 1312w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f61d2db6113b4c448b7f4beb6a622220-300x185.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f61d2db6113b4c448b7f4beb6a622220-1024x631.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f61d2db6113b4c448b7f4beb6a622220-768x473.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f61d2db6113b4c448b7f4beb6a622220-18x12.webp 18w\" sizes=\"(max-width: 1312px) 100vw, 1312px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd C\u00e1c \u1ee9ng d\u1ee5ng ch\u1ee7 ch\u1ed1t c\u1ee7a m\u00e1y ph\u00e2n t\u00edch ph\u1ed5 quang<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c OSA<\/strong> l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 \u0111a n\u0103ng v\u1edbi \u1ee9ng d\u1ee5ng tr\u1ea3i r\u1ed9ng tr\u00ean nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn:<\/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;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>Application Area<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>C\u00e1ch s\u1eed d\u1ee5ng OSA<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn ng\u00e0nh<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Vi\u1ec5n th\u00f4ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng DWDM v\u1ec1 c\u00f4ng su\u1ea5t k\u00eanh v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c b\u01b0\u1edbc s\u00f3ng.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng 5G v\u00e0 b\u0103ng th\u00f4ng r\u1ed9ng; gi\u1ea3m th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Trung t\u00e2m d\u1eef li\u1ec7u<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ki\u1ec3m tra b\u1ed9 thu ph\u00e1t quang v\u00e0 li\u00ean k\u1ebft s\u1ee3i quang v\u1ec1 \u0111\u1ed9 nguy\u00ean v\u1eb9n t\u00edn hi\u1ec7u.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>H\u1ed7 tr\u1ee3 truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao; r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi d\u1ecbch v\u1ee5 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Nghi\u00ean c\u1ee9u v\u00e0 Ph\u00e1t tri\u1ec3n (R&amp;D) &amp; S\u1ea3n xu\u1ea5t<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1eb7c tr\u01b0ng h\u00f3a laser, LED v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n quang trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u00fac \u0111\u1ea9y \u0111\u1ed5i m\u1edbi trong l\u0129nh v\u1ef1c quang t\u1eed; c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>C\u1ea3m bi\u1ebfn m\u00f4i tr\u01b0\u1eddng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00e2n t\u00edch s\u1ef1 d\u1ecbch chuy\u1ec3n ph\u1ed5 trong c\u1ea3m bi\u1ebfn d\u00f9ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n kh\u00ed ho\u1eb7c gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>N\u00e2ng cao \u0111\u1ed9 ch\u00ednh x\u00e1c trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 khoa h\u1ecdc.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\" style=\"color: rgb(15, 17, 21);\">C\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y l\u00e0m n\u1ed5i b\u1eadt l\u00fd do v\u00ec sao OSA l\u00e0 tr\u1ee5 c\u1ed9t c\u1ee7a <\/span><span class=\"qc-p1-tag\"><strong>ph\u00e2n t\u00edch ph\u1ed5 quang<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(15, 17, 21);\"> and <\/span><span class=\"qc-p1-tag\"><strong>b\u1ea3o tr\u00ec s\u1ee3i quang<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(15, 17, 21);\">.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd Li\u00ean k\u1ebft then ch\u1ed1t: Ki\u1ec3m tra b\u1eb1ng OSA \u0111\u1ed1i v\u1edbi c\u00e1c m\u00f4-\u0111un b\u1ed9 thu ph\u00e1t quang<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>C\u00e1c m\u00f4-\u0111un b\u1ed9 thu ph\u00e1t quang<\/strong><\/a>\u2014 v\u00ed d\u1ee5 nh\u01b0 <strong>SFP<\/strong>, <strong>QSFP<\/strong>, and <strong>CFP<\/strong> \u2014l\u00e0 nh\u1eefng \u201cc\u1ed7 m\u00e1y lao \u0111\u1ed9ng\u201d c\u1ee7a m\u1ea1ng s\u1ee3i quang, th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n sang \u00e1nh s\u00e1ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Tuy nhi\u00ean, hi\u1ec7u n\u0103ng c\u1ee7a ch\u00fang ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c c\u0103n ch\u1ec9nh b\u01b0\u1edbc s\u00f3ng ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u00f4ng su\u1ea5t. \u0110\u00e2y l\u00e0 l\u00fac ki\u1ec3m tra b\u1eb1ng OSA tr\u1edf n\u00ean thi\u1ebft y\u1ebfu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <strong>OSA<\/strong> X\u00e1c minh r\u1eb1ng b\u1ed9 thu ph\u00e1t ho\u1ea1t \u0111\u1ed9ng \u1edf b\u01b0\u1edbc s\u00f3ng \u0111\u00fang (v\u00ed d\u1ee5: 1310 nm cho \u0111a mode ho\u1eb7c 1550 nm cho \u0111\u01a1n mode) v\u00e0 n\u1eb1m trong gi\u1edbi h\u1ea1n dung sai c\u00f4ng su\u1ea5t. V\u00ed d\u1ee5, <strong>ki\u1ec3m tra c\u00e1c m\u00f4-\u0111un b\u1ed9 thu ph\u00e1t quang b\u1eb1ng OSA<\/strong> c\u00f3 th\u1ec3 ti\u1ebft l\u1ed9 c\u00e1c khuy\u1ebft t\u1eadt trong s\u1ea3n xu\u1ea5t ho\u1eb7c s\u1ef1 suy gi\u1ea3m theo th\u1eddi gian. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26045-400g-qsfp-dd-osfp-qsfp112.htm\"><strong>M\u00f4-\u0111un quang t\u1ed1c \u0111\u1ed9 cao<\/strong><\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong trung t\u00e2m d\u1eef li\u1ec7u, n\u01a1i ngay c\u1ea3 nh\u1eefng sai l\u1ec7ch nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 g\u00e2y m\u1ea5t g\u00f3i d\u1eef li\u1ec7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c th\u01b0\u01a1ng hi\u1ec7u nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/aboutus.htm\"><strong>LINK-PP<\/strong><\/a> t\u00edch h\u1ee3p x\u00e1c th\u1ef1c OSA v\u00e0o quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u00ecnh. V\u00ed d\u1ee5, <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473141.htm\"><strong>SFP28-10G-SR<\/strong><\/a> m\u00f4-\u0111un quang\u2014\u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho Ethernet 10G\u2014ph\u1ea3i tr\u1ea3i qua c\u00e1c ki\u1ec3m tra OSA nghi\u00eam ng\u1eb7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 <strong>Ti\u00eau chu\u1ea9n IEEE<\/strong>. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng OSA \u0111\u1ec3 \u0111o c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 b\u01b0\u1edbc s\u00f3ng trung t\u00e2m v\u00e0 t\u1ef7 s\u1ed1 \u1ee9c ch\u1ebf ch\u1ebf \u0111\u1ed9 b\u00ean, LINK-PP cam k\u1ebft cung c\u1ea5p c\u00e1c m\u00f4-\u0111un \u0111\u1ea1t \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 \u0111\u1ed9 tin c\u1eady cao. S\u1ef1 ch\u00fa tr\u1ecdng \u0111\u1ebfn t\u1eebng chi ti\u1ebft n\u00e0y khi\u1ebfn <strong>transceiver quang h\u1ecdc LINK-PP<\/strong> tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho <strong>t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng m\u00f4-\u0111un quang<\/strong> trong c\u00e1c m\u00f4i tr\u01b0\u1eddng y\u00eau c\u1ea7u kh\u1eaft khe.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd K\u1ebft lu\u1eadn: T\u1eadn d\u1ee5ng s\u1ee9c m\u1ea1nh c\u1ee7a m\u00e1y ph\u00e2n t\u00edch quang ph\u1ed5 \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c m\u1ea1ng th\u00f4ng minh h\u01a1n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M\u00e1y ph\u00e2n t\u00edch quang ph\u1ed5 (OSA)<\/strong> kh\u00f4ng ch\u1ec9 l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 \u0111o l\u01b0\u1eddng\u2014ch\u00fang c\u00f2n l\u00e0 nh\u1eefng \u201cng\u01b0\u1eddi b\u1ea3o v\u1ec7\u201d ch\u1ea5t l\u01b0\u1ee3ng m\u1ea1ng quang. T\u1eeb vi\u1ec7c h\u1ed7 tr\u1ee3 <strong>\u0111o l\u01b0\u1eddng b\u01b0\u1edbc s\u00f3ng m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c<\/strong> \u0111\u1ebfn \u0111\u1ea3m b\u1ea3o <strong>\u0111\u1ed9 tin c\u1eady c\u1ee7a module quang<\/strong>, c\u00e1c m\u00e1y OSA \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong th\u1ebf gi\u1edbi k\u1ebft n\u1ed1i ng\u00e0y nay. Khi c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/iot-internet-of-things-definition-and-real-world-examples\/\"><strong>IoT<\/strong><\/a> v\u00e0 5G m\u1edf r\u1ed9ng, nhu c\u1ea7u v\u1ec1 ph\u00e2n t\u00edch quang ph\u1ed5 ch\u00ednh x\u00e1c s\u1ebd ng\u00e0y c\u00e0ng gia t\u0103ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd FAQ<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >M\u00e1y ph\u00e2n t\u00edch quang ph\u1ed5 (OSA) cho b\u1ea1n bi\u1ebft \u0111i\u1ec1u g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t bi\u1ec3u \u0111\u1ed3 th\u1ec3 hi\u1ec7n c\u00f4ng su\u1ea5t \u00e1nh s\u00e1ng t\u1ea1i t\u1eebng b\u01b0\u1edbc s\u00f3ng. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n s\u00e1ng c\u1ee7a m\u00ecnh. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a n\u00f3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra nh\u1eefng lo\u1ea1i ngu\u1ed3n s\u00e1ng n\u00e0o b\u1eb1ng m\u00e1y OSA?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra laser, LED v\u00e0 t\u00edn hi\u1ec7u s\u1ee3i quang. M\u1ed9t s\u1ed1 m\u00e1y OSA c\u00f2n t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c ngu\u1ed3n ph\u1ed5 r\u1ed9ng nh\u01b0 laser si\u00eau li\u00ean t\u1ee5c (supercontinuum lasers).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n n\u00ean ki\u1ec3m tra nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o tr\u01b0\u1edbc khi mua m\u00e1y OSA?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y xem x\u00e9t d\u1ea3i b\u01b0\u1edbc s\u00f3ng, \u0111\u1ed9 ph\u00e2n gi\u1ea3i, \u0111\u1ed9 nh\u1ea1y v\u00e0 d\u1ea3i \u0111\u1ed9ng. \u0110\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ph\u00e2n t\u00edch ph\u00f9 h\u1ee3p v\u1edbi ngu\u1ed3n s\u00e1ng v\u00e0 nhu c\u1ea7u ki\u1ec3m tra c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u00e1y OSA d\u1ef1a tr\u00ean c\u00e1ch t\u1eed v\u00e0 m\u00e1y OSA bi\u1ebfn \u0111\u1ed5i Fourier (FT-OSA) l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y OSA d\u1ef1a tr\u00ean c\u00e1ch t\u1eed t\u00e1ch \u00e1nh s\u00e1ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch t\u1eed nhi\u1ec5u x\u1ea1. M\u00e1y FT-OSA s\u1eed d\u1ee5ng giao thoa k\u1ebf c\u00f9ng c\u00e1c ph\u00e9p to\u00e1n h\u1ecdc \u0111\u1ec3 t\u1ea1o ra ph\u1ed5. M\u1ed7i lo\u1ea1i \u0111\u1ec1u ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nh\u1eefng nhi\u1ec7m v\u1ee5 kh\u00e1c nhau.<\/p>","protected":false},"excerpt":{"rendered":"<p>M\u00e1y ph\u00e2n t\u00edch quang ph\u1ed5 \u0111o c\u00f4ng su\u1ea5t \u00e1nh s\u00e1ng t\u1ea1i t\u1eebng b\u01b0\u1edbc s\u00f3ng, gi\u00fap b\u1ea1n \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u n\u0103ng c\u1ee7a laser, LED v\u00e0 t\u00edn hi\u1ec7u s\u1ee3i quang.<\/p>","protected":false},"author":1,"featured_media":4875,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[13,14,18,24,26],"class_list":["post-4877","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-100g-modules","tag-10g-sfp-transceivers","tag-40g-qsfp-transceivers","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4877","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=4877"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4877\/revisions"}],"predecessor-version":[{"id":11064,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4877\/revisions\/11064"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/4875"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=4877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=4877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=4877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}