{"id":5743,"date":"2025-07-16T00:00:00","date_gmt":"2025-07-16T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/difference-between-fibers-single-mode-vs-multimode-guide\/"},"modified":"2026-06-22T09:00:37","modified_gmt":"2026-06-22T09:00:37","slug":"difference-between-fibers-single-mode-vs-multimode-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/difference-between-fibers-single-mode-vs-multimode-guide","title":{"rendered":"S\u1ee3i quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n so v\u1edbi s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9: H\u01b0\u1edbng d\u1eabn so s\u00e1nh to\u00e0n di\u1ec7n"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"461\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a3d2ae4441fa4254ad34aa6220b0aa10.webp\" alt=\"Single Mode vs Multimode Fiber\" class=\"wp-image-3638\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a3d2ae4441fa4254ad34aa6220b0aa10.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a3d2ae4441fa4254ad34aa6220b0aa10-300x115.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a3d2ae4441fa4254ad34aa6220b0aa10-1024x393.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a3d2ae4441fa4254ad34aa6220b0aa10-768x295.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a3d2ae4441fa4254ad34aa6220b0aa10-18x7.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">Hi\u1ec3u r\u00f5 nh\u1eefng kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n gi\u1eefa<br> <\/span><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-single-mode-fiber-and-how-does-it-work\/\"><span class=\"qc-p1-tag\" style=\"color: var(--qc-color8);\"><strong>\u0110\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1edbi<\/strong><\/span><\/a><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> and <\/span><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\"><span class=\"qc-p1-tag\" style=\"color: var(--qc-color8);\"><strong>s\u1ee3i quang \u0111a mode (MMF)<\/strong><\/span><\/a><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu khi thi\u1ebft k\u1ebf ho\u1eb7c n\u00e2ng c\u1ea5p c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng. C\u1ea3 hai c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ec1u truy\u1ec1n d\u1eef li\u1ec7u b\u1eb1ng c\u00e1c xung \u00e1nh s\u00e1ng qua s\u1ee3i th\u1ee7y tinh ho\u1eb7c nh\u1ef1a, nh\u01b0ng thi\u1ebft k\u1ebf c\u1ed1t l\u00f5i, \u0111\u1eb7c t\u00ednh hi\u1ec7u n\u0103ng v\u00e0 h\u00e0m \u00fd chi ph\u00ed c\u1ee7a ch\u00fang kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng \u1ee9ng d\u1ee5ng. H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111i s\u00e2u v\u00e0o nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y nh\u1eb1m trang b\u1ecb cho b\u1ea1n ki\u1ebfn th\u1ee9c \u0111\u1ec3 ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t.<br>.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2726 Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n ghi nh\u1edb<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>S\u1ee3i quang \u0111\u01a1n mode<br><\/strong> c\u00f3 l\u00f5i nh\u1ecf. N\u00f3 truy\u1ec1n \u00e1nh s\u00e1ng theo m\u1ed9t \u0111\u01b0\u1eddng duy nh\u1ea5t. \u0110i\u1ec1u n\u00e0y khi\u1ebfn n\u00f3 ph\u00f9 h\u1ee3p cho kho\u1ea3ng c\u00e1ch xa. N\u00f3 c\u0169ng ph\u00f9 h\u1ee3p cho t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao.<br>.<\/p><\/li><li><p><strong>Direct Attach Copper (DAC)<\/strong> c\u00f3 l\u00f5i l\u1edbn h\u01a1n. N\u00f3 cho ph\u00e9p \u00e1nh s\u00e1ng lan truy\u1ec1n theo nhi\u1ec1u \u0111\u01b0\u1eddng kh\u00e1c nhau. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong kho\u1ea3ng c\u00e1ch ng\u1eafn. \u0110\u1ed3ng th\u1eddi, vi\u1ec7c tri\u1ec3n khai c\u0169ng d\u1ec5 d\u00e0ng h\u01a1n.<br>.<\/p><\/li><li><p><strong>S\u1ee3i quang \u0111\u01a1n mode<br><\/strong> cung c\u1ea5p b\u0103ng th\u00f4ng l\u1edbn h\u01a1n. M\u1ea5t t\u00edn hi\u1ec7u \u00edt h\u01a1n. N\u00f3 h\u1ed7 tr\u1ee3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng m\u1ea1ng trong t\u01b0\u01a1ng lai. N\u00f3 ph\u00f9 h\u1ee3p cho c\u00e1c b\u1ea3n n\u00e2ng c\u1ea5p.<br>.<\/p><\/li><li><p><strong>Direct Attach Copper (DAC)<\/strong> c\u00f3 chi ph\u00ed ban \u0111\u1ea7u th\u1ea5p h\u01a1n. N\u00f3 ph\u00f9 h\u1ee3p cho m\u1ea1ng c\u1ee5c b\u1ed9. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 tr\u01b0\u1eddng h\u1ecdc. N\u00f3 t\u1ed1i \u01b0u nh\u1ea5t cho c\u00e1p ng\u1eafn.<br>.<\/p><\/li><li><p>B\u1ea1n n\u00ean ch\u1ecdn lo\u1ea1i s\u1ee3i quang ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a m\u00ecnh. H\u00e3y c\u00e2n nh\u1eafc kho\u1ea3ng c\u00e1ch c\u1ea7n truy\u1ec1n t\u1ea3i. H\u00e3y c\u00e2n nh\u1eafc ng\u00e2n s\u00e1ch c\u1ee7a b\u1ea1n. H\u00e3y c\u00e2n nh\u1eafc kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng m\u1ea1ng trong t\u01b0\u01a1ng lai.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2726 S\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i: C\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n \u00e1nh s\u00e1ng<br><\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"511\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d94ef2486b204efb80235bb5b88fa843.webp\" alt=\"Single Mode vs Multimode Fiber\" class=\"wp-image-5740\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d94ef2486b204efb80235bb5b88fa843.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d94ef2486b204efb80235bb5b88fa843-300x128.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d94ef2486b204efb80235bb5b88fa843-1024x436.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d94ef2486b204efb80235bb5b88fa843-768x327.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d94ef2486b204efb80235bb5b88fa843-18x8.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>S\u1ee3i quang \u0111\u01a1n mode (SMF):<br><\/strong> C\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u00f5i c\u1ef1c nh\u1ecf, th\u01b0\u1eddng l\u00e0<br> <strong>9 micromet (\u00b5m)<br><\/strong>. L\u00f5i nh\u1ecf nh\u01b0 v\u1eady ch\u1ec9 cho ph\u00e9p<br> <strong>m\u1ed9t \u0111\u01b0\u1eddng duy nh\u1ea5t ho\u1eb7c \u201cmode\u201d<br>\u201d<\/strong> \u0111\u1ec3 \u00e1nh s\u00e1ng truy\u1ec1n th\u1eb3ng d\u1ecdc theo s\u1ee3i. N\u00f3 th\u01b0\u1eddng s\u1eed d\u1ee5ng ngu\u1ed3n ph\u00e1t laser (1310nm ho\u1eb7c 1550nm).<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>S\u1ee3i quang \u0111a mode (MMF):<br><\/strong> C\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u00f5i l\u1edbn h\u01a1n nhi\u1ec1u, th\u01b0\u1eddng l\u00e0<br> <strong>50\u00b5m ho\u1eb7c 62,5\u00b5m<\/strong>. K\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n n\u00e0y cho ph\u00e9p<br> <strong>nhi\u1ec1u tia s\u00e1ng ho\u1eb7c \u201cmodes\u201d<br>\u201d<\/strong> lan truy\u1ec1n \u0111\u1ed3ng th\u1eddi, ph\u1ea3n x\u1ea1 d\u01b0\u1edbi c\u00e1c g\u00f3c kh\u00e1c nhau trong l\u00f5i. N\u00f3 ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/overview-of-vcsel\/\">Laser ph\u00e1t x\u1ea1 b\u1ec1 m\u1eb7t h\u1ed1c \u0111\u1ee9ng (VCSEL)<\/a> ho\u1eb7c \u0111\u00e8n LED (850nm ho\u1eb7c 1300nm).<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 l\u00f5i n\u00e0y l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh d\u1eabn \u0111\u1ebfn m\u1ecdi bi\u1ebfn \u0111\u1ed5i hi\u1ec7u n\u0103ng ti\u1ebfp theo:<br><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"971\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4be43e176d594e41934de6c43ab6ec0a.webp\" alt=\"Single Mode vs Multimode Fiber\" class=\"wp-image-5741\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4be43e176d594e41934de6c43ab6ec0a.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4be43e176d594e41934de6c43ab6ec0a-300x243.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4be43e176d594e41934de6c43ab6ec0a-1024x829.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4be43e176d594e41934de6c43ab6ec0a-768x621.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4be43e176d594e41934de6c43ab6ec0a-15x12.webp 15w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\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>\u0110\u1eb7c t\u00ednh<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>S\u1ee3i quang \u0111\u01a1n mode (SMF)<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>S\u1ee3i quang \u0111a mode (MMF) (OM3\/OM4\/OM5)<br><\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u01b0\u1eddng k\u00ednh l\u00f5i<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>9\u00b5m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>50\u00b5m ho\u1eb7c 62,5\u00b5m<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ngu\u1ed3n s\u00e1ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Laser (1310nm, 1550nm)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>VCSEL \/ LED (850nm, 1300nm)<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong># c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n \u00e1nh s\u00e1ng<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ed9t (Mode c\u01a1 b\u1ea3n)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>H\u00e0ng tr\u0103m (Nhi\u1ec1u modes)<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Kho\u1ea3ng c\u00e1ch \u0111i\u1ec3n h\u00ecnh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10km \u0111\u1ebfn h\u01a1n 100km<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>100m \u0111\u1ebfn 550m (Thay \u0111\u1ed5i t\u00f9y theo t\u1ed1c \u0111\u1ed9\/c\u1ea5p \u0111\u1ed9)<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>D\u1ea3i th\u00f4ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>R\u1ea5t cao (v\u1ec1 c\u01a1 b\u1ea3n kh\u00f4ng gi\u1edbi h\u1ea1n)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao (B\u1ecb gi\u1edbi h\u1ea1n b\u1edfi t\u00e1n s\u1eafc mode)<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>M\u1ee9c suy hao<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u1ea5p h\u01a1n (\u0110\u1eb7c bi\u1ec7t \u1edf b\u01b0\u1edbc s\u00f3ng 1550nm)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao h\u01a1n (\u0110\u1eb7c bi\u1ec7t \u1edf b\u01b0\u1edbc s\u00f3ng 850nm)<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>T\u00e1n s\u1eafc mode<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kh\u00f4ng \u0111\u00e1ng k\u1ec3<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Y\u1ebfu t\u1ed1 gi\u1edbi h\u1ea1n ch\u00ednh<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Chi ph\u00ed (c\u00e1p quang)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao h\u01a1n<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Lower<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Chi ph\u00ed (thi\u1ebft b\u1ecb quang)<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao h\u01a1n (laser)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Lower <strong>(VCSEL)<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u00ednh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy\u1ec1n d\u1eabn xa, vi\u1ec5n th\u00f4ng, x\u01b0\u01a1ng s\u1ed1ng khu\u00f4n vi\u00ean, li\u00ean k\u1ebft trung t\u00e2m d\u1eef li\u1ec7u<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy\u1ec1n d\u1eabn ng\u1eafn, gi\u00e1 \u0111\u1ee1 trung t\u00e2m d\u1eef li\u1ec7u, x\u01b0\u01a1ng s\u1ed1ng t\u00f2a nh\u00e0, m\u1ea1ng c\u1ee5c b\u1ed9 (LAN)<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2726 Gi\u1ea3i th\u00edch c\u00e1c kh\u00e1c bi\u1ec7t hi\u1ec7u n\u0103ng ch\u00ednh<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px 0px 4px;\"><strong>Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn:<br><\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>S\u1ee3i quang \u0111\u01a1n mode (SMF):<\/strong> Nh\u00e0 v\u00f4 \u0111\u1ecbch kh\u00f4ng th\u1ec3 tranh c\u00e3i trong vi\u1ec7c <strong>truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa<\/strong>. V\u1edbi m\u1ee9c suy hao t\u00edn hi\u1ec7u t\u1ed1i thi\u1ec3u (attenuation) v\u00e0 g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 t\u00e1n s\u1eafc ch\u1ebf \u0111\u1ed9 (modal dispersion \u2014 v\u00ec ch\u1ec9 c\u00f3 m\u1ed9t ch\u1ebf \u0111\u1ed9 duy nh\u1ea5t), SMF c\u00f3 th\u1ec3 truy\u1ec1n t\u1ea3i t\u00edn hi\u1ec7u m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady trong ph\u1ea1m vi <strong>v\u00e0i ch\u1ee5c \u0111\u1ebfn v\u00e0i tr\u0103m kil\u00f4m\u00e9t<\/strong> m\u00e0 kh\u00f4ng c\u1ea7n khu\u1ebfch \u0111\u1ea1i l\u1ea1i. L\u00fd t\u01b0\u1edfng cho x\u01b0\u01a1ng s\u1ed1ng vi\u1ec5n th\u00f4ng, m\u1ea1ng c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 v\u00e0 c\u00e1c li\u00ean k\u1ebft khu\u00f4n vi\u00ean quy m\u00f4 l\u1edbn.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>S\u1ee3i quang \u0111a mode (MMF):<\/strong> Kho\u1ea3ng c\u00e1ch b\u1ecb gi\u1edbi h\u1ea1n \u0111\u00e1ng k\u1ec3 b\u1edfi <strong>t\u00e1n s\u1eafc ch\u1ebf \u0111\u1ed9 (modal dispersion)<\/strong>. V\u00ec c\u00e1c ch\u1ebf \u0111\u1ed9 \u00e1nh s\u00e1ng kh\u00e1c nhau \u0111i theo nh\u1eefng \u0111\u01b0\u1eddng \u0111i c\u00f3 \u0111\u1ed9 d\u00e0i kh\u00e1c nhau n\u00ean ch\u00fang \u0111\u1ebfn b\u1ed9 thu v\u00e0o nh\u1eefng th\u1eddi \u0111i\u1ec3m h\u01a1i kh\u00e1c nhau, l\u00e0m m\u1edd t\u00edn hi\u1ec7u \u2014 \u0111\u1eb7c bi\u1ec7t \u1edf t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao. M\u1eb7c d\u00f9 <strong>\u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho laser <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\"><strong>MMF (OM3, OM4, OM5)<\/strong><\/a> c\u1ea3i thi\u1ec7n v\u1ea5n \u0111\u1ec1 n\u00e0y, nh\u01b0ng kho\u1ea3ng c\u00e1ch th\u1ef1c t\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1ed1c \u0111\u1ed9 cao hi\u1ec7n \u0111\u1ea1i (40G, 100G, 400G) th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng <strong>100 m\u00e9t \u0111\u1ebfn 550 m\u00e9t<\/strong>. Ph\u00f9 h\u1ee3p nh\u1ea5t cho c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n ng\u1eafn trong t\u00f2a nh\u00e0, trung t\u00e2m d\u1eef li\u1ec7u (t\u1eeb gi\u00e1 \u0111\u1ee1 n\u00e0y sang gi\u00e1 \u0111\u1ee1 kh\u00e1c) v\u00e0 m\u1ea1ng c\u1ee5c b\u1ed9 (LAN).<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>Dung l\u01b0\u1ee3ng b\u0103ng th\u00f4ng:<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>S\u1ee3i quang \u0111\u01a1n mode (SMF):<\/strong> Cung c\u1ea5p <strong>ti\u1ec1m n\u0103ng b\u0103ng th\u00f4ng cao h\u01a1n r\u1ea5t nhi\u1ec1u<\/strong>. Vi\u1ec7c lan truy\u1ec1n \u0111\u01a1n mode lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n t\u00e1n s\u1eafc ch\u1ebf \u0111\u1ed9 \u2014 y\u1ebfu t\u1ed1 gi\u1edbi h\u1ea1n b\u0103ng th\u00f4ng ch\u00ednh trong MMF. M\u1eb7c d\u00f9 t\u1ed3n t\u1ea1i c\u00e1c hi\u1ec7u \u1ee9ng v\u1eadt l\u00fd kh\u00e1c nh\u01b0 t\u00e1n s\u1eafc do b\u01b0\u1edbc s\u00f3ng (chromatic dispersion), nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c, cho ph\u00e9p SMF h\u1ed7 tr\u1ee3 h\u1ea7u nh\u01b0 m\u1ecdi t\u1ed1c \u0111\u1ed9 m\u00e0 <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> c\u00f4ng ngh\u1ec7 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c, c\u1ea3 hi\u1ec7n t\u1ea1i l\u1eabn t\u01b0\u01a1ng lai g\u1ea7n (400G, 800G, 1,6T+).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>S\u1ee3i quang \u0111a mode (MMF):<\/strong> B\u0103ng th\u00f4ng b\u1ecb <strong>gi\u1edbi h\u1ea1n ch\u1ee7 y\u1ebfu b\u1edfi t\u00e1n s\u1eafc ch\u1ebf \u0111\u1ed9<\/strong>. C\u00e1c c\u1ea5p \u0111\u1ed9 s\u1ee3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean \u201cB\u0103ng th\u00f4ng ch\u1ebf \u0111\u1ed9 hi\u1ec7u d\u1ee5ng\u201d (EMB). C\u00e1c c\u1ea5p \u0111\u1ed9 m\u1edbi h\u01a1n nh\u01b0 OM5 (S\u1ee3i \u0111a mode d\u1ea3i r\u1ed9ng \u2013 WBMMF) cung c\u1ea5p b\u0103ng th\u00f4ng cao h\u01a1n, \u0111\u1eb7c bi\u1ec7t khi s\u1eed d\u1ee5ng <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/cwdm-vs-dwdm-vs-mwdm-vs-lwdm-vs-swdm-differences\/\"><strong>, trong \u0111\u00f3:<\/strong><\/a> c\u00e1c k\u1ef9 thu\u1eadt n\u00e0y tr\u00ean kho\u1ea3ng c\u00e1ch ng\u1eafn. Tuy nhi\u00ean, b\u0103ng th\u00f4ng v\u1ec1 c\u01a1 b\u1ea3n gi\u1ea3m d\u1ea7n khi kho\u1ea3ng c\u00e1ch t\u0103ng l\u00ean \u0111\u1ed1i v\u1edbi m\u1ed9t t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u nh\u1ea5t \u0111\u1ecbnh.<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>Xem x\u00e9t v\u1ec1 chi ph\u00ed:<br><\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>Chi ph\u00ed c\u00e1p s\u1ee3i quang:<\/strong> B\u1ea3n th\u00e2n c\u00e1p MMF th\u01b0\u1eddng <strong>r\u1ebb h\u01a1n<\/strong> so v\u1edbi c\u00e1p SMF.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Chi ph\u00ed b\u1ed9 thu ph\u00e1t quang:<\/strong> \u0110\u00e2y l\u00e0 n\u01a1i c\u00e2n b\u1eb1ng thay \u0111\u1ed5i m\u1ea1nh m\u1ebd. C\u00e1c <strong>ngu\u1ed3n ph\u00e1t laser<\/strong> (DFB, EML) y\u00eau c\u1ea7u cho <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-smf.htm\"><strong>b\u1ed9 thu ph\u00e1t quang SMF<\/strong><\/a> v\u1ed1n ph\u1ee9c t\u1ea1p v\u00e0 t\u1ed1n k\u00e9m h\u01a1n trong s\u1ea3n xu\u1ea5t so v\u1edbi c\u00e1c <strong>VCSELs<br><\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-mmf.htm\"><strong>ti\u1ebft ki\u1ec7m chi ph\u00ed<\/strong><\/a>. Do \u0111\u00f3, b\u1ed9 thu ph\u00e1t MMF (v\u00ed d\u1ee5: SR, SR4, SR8) th\u01b0\u1eddng <strong>\u0111\u00e1ng k\u1ec3 r\u1ebb h\u01a1n<\/strong> so v\u1edbi c\u00e1c \u0111\u1ed1i t\u00e1c SMF c\u1ee7a ch\u00fang (v\u00ed d\u1ee5: LR, ER, ZR) cho t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u01b0\u01a1ng \u0111\u01b0\u01a1ng tr\u00ean kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Chi ph\u00ed h\u1ec7 th\u1ed1ng t\u1ed5ng th\u1ec3:<\/strong> For <strong>kho\u1ea3ng c\u00e1ch ng\u1eafn (&lt;500 m)<\/strong>, c\u00e1c h\u1ec7 th\u1ed1ng MMF th\u01b0\u1eddng c\u00f3 <strong>chi ph\u00ed l\u1eafp \u0111\u1eb7t t\u1ed5ng th\u1ec3 th\u1ea5p h\u01a1n<\/strong> do b\u1ed9 quang h\u1ecdc r\u1ebb h\u01a1n. \u0110\u1ed1i v\u1edbi <strong>kho\u1ea3ng c\u00e1ch d\u00e0i h\u01a1n<\/strong>, s\u1ee3i quang \u0111\u01a1n mode (SMF) tr\u1edf th\u00e0nh <em>ch\u1ec9<\/em> l\u1ef1a ch\u1ecdn kh\u1ea3 thi, khi\u1ebfn chi ph\u00ed b\u1ed9 thu ph\u00e1t cao h\u01a1n c\u1ee7a n\u00f3 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. Chi ph\u00ed n\u00e2ng c\u1ea5p trong t\u01b0\u01a1ng lai c\u0169ng \u01b0u ti\u00ean SMF nh\u1edd dung l\u01b0\u1ee3ng b\u0103ng th\u00f4ng g\u1ea7n nh\u01b0 v\u00f4 h\u1ea1n c\u1ee7a n\u00f3.<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>\u1ee8ng d\u1ee5ng: Ch\u1ecdn c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p<\/strong><\/p><ul><li><p style=\"margin: 0px 0px 4px;\"><strong>Ch\u1ecdn s\u1ee3i quang \u0111\u01a1n mode (SMF) khi:<\/strong><\/p><ul><li><p style=\"margin: 0px;\">Kho\u1ea3ng c\u00e1ch v\u01b0\u1ee3t qu\u00e1 500 m\u00e9t.<\/p><\/li><li><p style=\"margin: 0px;\">Vi\u1ec7c chu\u1ea9n b\u1ecb cho c\u00e1c t\u1ed1c \u0111\u1ed9 cao h\u01a1n trong t\u01b0\u01a1ng lai (400G, 800G+) l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu.<\/p><\/li><li><p style=\"margin: 0px;\">Y\u00eau c\u1ea7u b\u0103ng th\u00f4ng t\u1ed1i \u0111a tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i (v\u00ed d\u1ee5: m\u1ea1ng nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5, m\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb (MAN), x\u01b0\u01a1ng s\u1ed1ng khu\u00f4n vi\u00ean l\u1edbn, k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u (DCI)).<\/p><\/li><li><p style=\"margin: 0px;\">\u1ee8ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u cao nh\u1ea5t c\u00f3 th\u1ec3 tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i.<\/p><\/li><li><p style=\"margin: 0px;\">S\u1eed d\u1ee5ng <strong>b\u1ed9 thu ph\u00e1t quang t\u1ea7m xa<\/strong> nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475586.htm\"><strong>LINK-PP\u2019s 10G-LR<\/strong><\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476046.htm\"><strong>25G-LR<\/strong><\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472118.htm\"><strong>100G-LR4<\/strong><\/a>, or <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472000.htm\"><strong>400G-FR4<\/strong><\/a>.<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>Ch\u1ecdn s\u1ee3i quang \u0111a mode (MMF \u2013 OM3\/OM4\/OM5) khi:<\/strong><\/p><ul><li><p style=\"margin: 0px;\">Kho\u1ea3ng c\u00e1ch ng\u1eafn (th\u01b0\u1eddng &lt;= 100 m\u2013550 m, ki\u1ec3m tra th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3 c\u1ee7a b\u1ed9 thu ph\u00e1t).<\/p><\/li><li><p style=\"margin: 0px;\">T\u1ed1i \u01b0u h\u00f3a chi ph\u00ed cho vi\u1ec7c tri\u1ec3n khai ban \u0111\u1ea7u l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t (\u0111\u1eb7c bi\u1ec7t l\u00e0 chi ph\u00ed quang h\u1ecdc).<\/p><\/li><li><p style=\"margin: 0px;\">Tri\u1ec3n khai trong c\u00f9ng m\u1ed9t ph\u00f2ng trung t\u00e2m d\u1eef li\u1ec7u (t\u1eeb gi\u00e1 rack \u0111\u1ebfn gi\u00e1 rack, t\u1eeb gi\u00e1 rack \u0111\u1ebfn b\u1ed9 chuy\u1ec3n m\u1ea1ch \u1edf \u0111\u1ec9nh gi\u00e1).<\/p><\/li><li><p style=\"margin: 0px;\">Ch\u1ea1y c\u00e1c li\u00ean k\u1ebft x\u01b0\u01a1ng s\u1ed1ng trong m\u1ed9t t\u00f2a nh\u00e0 ho\u1eb7c gi\u1eefa c\u00e1c t\u00f2a nh\u00e0 l\u00e2n c\u1eadn tr\u00ean khu\u00f4n vi\u00ean tr\u01b0\u1eddng.<\/p><\/li><li><p style=\"margin: 0px;\">S\u1eed d\u1ee5ng <strong>B\u1ed9 thu ph\u00e1t quang chi ph\u00ed hi\u1ec7u qu\u1ea3 cho kho\u1ea3ng c\u00e1ch ng\u1eafn<\/strong> nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\"><strong>10G-SR c\u1ee7a LINK-PP<\/strong><\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473141.htm\"><strong>25G-SR<\/strong><\/a>, or <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473115.htm\"><strong>100G-SR4.<\/strong><\/a><\/p><\/li><\/ul><\/li><\/ul><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2726 B\u1ed9 thu ph\u00e1t quang LINK-PP: Ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i c\u00e1p quang<\/strong><\/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\/80c0b4c8043b490db62156663cf8e8c5.webp\" alt=\"Optical Module\" class=\"wp-image-3637\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/80c0b4c8043b490db62156663cf8e8c5.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/80c0b4c8043b490db62156663cf8e8c5-300x169.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/80c0b4c8043b490db62156663cf8e8c5-1024x576.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/80c0b4c8043b490db62156663cf8e8c5-768x432.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/80c0b4c8043b490db62156663cf8e8c5-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ef1a ch\u1ecdn c\u00e1c th\u00e0nh ph\u1ea7n t\u01b0\u01a1ng th\u00edch <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang<\/strong><\/a> l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng. <strong>LINK-PP<\/strong> cung c\u1ea5p lo\u1ea1t s\u1ea3n ph\u1ea9m to\u00e0n di\u1ec7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u1ea3 \u1ee9ng d\u1ee5ng s\u1ee3i quang \u0111\u01a1n mode (SMF) v\u00e0 \u0111a mode (MMF):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>\u0110\u1ed1i v\u1edbi s\u1ee3i quang \u0111\u01a1n mode:<\/strong> \u0110\u1ea3m b\u1ea3o b\u1ea1n ch\u1ecdn c\u00e1c module c\u00f3 k\u00fd hi\u1ec7u \u201cLR\u201d (10 km), \u201cER\u201d (40 km), \u201cZR\u201d (80 km) ho\u1eb7c c\u00e1c k\u00fd hi\u1ec7u t\u01b0\u01a1ng t\u1ef1. Ph\u1ed5 bi\u1ebfn <strong>c\u00e1c m\u1eabu LINK-PP<\/strong> include:<\/p><ul><li><p style=\"margin: 0px;\"><strong>SFP+:<\/strong> SFP-10G-LR <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475586.htm\">LS-SM3110-10C<\/a> (10G l\u00ean \u0111\u1ebfn 10 km)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>SFP28:<\/strong> SFP28-25G-LR <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476046.htm\">LS-SM3125-10C<br><\/a> (25G l\u00ean \u0111\u1ebfn 10 km)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>QSFP28:<\/strong> QSFP28-100G-LR4 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472118.htm\">LQ-LW100-LR4C<br><\/a> (100G l\u00ean \u0111\u1ebfn 10 km), QSFP28-100G-ER4 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472708.htm\">LQ-LW100-ER4C<\/a> (100G l\u00ean \u0111\u1ebfn 40 km)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>QSFP-DD:<\/strong> QSFP-DD-400G-FR4 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472000.htm\">LQD-CW400-FR4C<\/a> (400G l\u00ean \u0111\u1ebfn 2 km), QSFP-DD-400G-LR4 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\">LQD-CW400-LR4C<\/a> (400G l\u00ean \u0111\u1ebfn 10 km)<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>\u0110\u1ed1i v\u1edbi s\u1ee3i quang \u0111a mode:<\/strong> T\u00ecm c\u00e1c module c\u00f3 k\u00fd hi\u1ec7u \u201cSR\u201d (kho\u1ea3ng c\u00e1ch ng\u1eafn). C\u00e1c lo\u1ea1i ch\u00ednh <strong>c\u00e1c m\u1eabu LINK-PP<\/strong> include:<\/p><ul><li><p style=\"margin: 0px;\"><strong>SFP+:<\/strong> SFP-10G-SR<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\">LS-MM8510-S3C<\/a> (10G l\u00ean \u0111\u1ebfn 300 m tr\u00ean OM3)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>SFP28:<\/strong> SFP28-25G-SR <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473141.htm\">LS-MM8525-S1C<\/a> (25G l\u00ean \u0111\u1ebfn 70 m\/100 m tr\u00ean OM4\/OM5)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>QSFP28:<\/strong> QSFP28-100G-SR4<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473115.htm\">LQ-M85100-SR4C<\/a> (100G l\u00ean \u0111\u1ebfn 70 m\/100 m tr\u00ean OM4\/OM5)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>QSFP-DD:<\/strong> QSFP-DD-400G-SR8 (400G l\u00ean \u0111\u1ebfn 70 m\/100 m tr\u00ean OM4\/OM5)<\/p><\/li><\/ul><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2726 T\u01b0\u01a1ng lai: S\u1ef1 th\u1ed1ng tr\u1ecb c\u1ee7a SMF \u0111\u1ed1i v\u1edbi t\u1ed1c \u0111\u1ed9 cao v\u00e0 kho\u1ea3ng c\u00e1ch xa<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 MMF ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n (\u0111\u1eb7c bi\u1ec7t l\u00e0 OM5 d\u00e0nh cho WDM kho\u1ea3ng c\u00e1ch ng\u1eafn), nhu c\u1ea7u kh\u00f4ng ng\u1eebng gia t\u0103ng v\u1ec1 t\u1ed1c \u0111\u1ed9 cao h\u01a1n (400G, 800G, 1,6T) tr\u00ean kho\u1ea3ng c\u00e1ch ng\u00e0y c\u00e0ng d\u00e0i h\u01a1n trong v\u00e0 gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u c\u1ee7ng c\u1ed1 <strong>s\u1ee3i quang \u0111\u01a1n mode<\/strong> nh\u01b0 l\u00e0 <strong>l\u1ef1a ch\u1ecdn chi\u1ebfn l\u01b0\u1ee3c d\u00e0i h\u1ea1n<\/strong>. C\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-bidi-transceiver\/\">truy\u1ec1n d\u1eabn hai chi\u1ec1u (BiDi)<\/a> tr\u00ean m\u1ed9t s\u1ee3i SMF duy nh\u1ea5t v\u00e0 quang h\u1ecdc \u0111\u1ed3ng pha (coherent optics) c\u00f2n n\u00e2ng cao h\u01a1n n\u1eefa kh\u1ea3 n\u0103ng v\u00e0 t\u00ednh hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed c\u1ee7a SMF cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea7m trung.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2726 K\u1ebft lu\u1eadn: \u0110\u00e2y l\u00e0 v\u1ea5n \u0111\u1ec1 v\u1ec1 y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng t\u1ed3n t\u1ea1i lo\u1ea1i c\u00e1p quang \u201ct\u1ed1t nh\u1ea5t\u201d duy nh\u1ea5t. L\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn y\u00eau c\u1ea7u?<\/strong><\/p><\/li><li><p style=\"margin: 0px;\"><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u m\u1ee5c ti\u00eau (hi\u1ec7n t\u1ea1i v\u00e0 trong t\u01b0\u01a1ng lai)?<\/strong><\/p><\/li><li><p style=\"margin: 0px;\"><strong>R\u00e0ng bu\u1ed9c ng\u00e2n s\u00e1ch (c\u00e1p quang + quang h\u1ecdc)?<\/strong><\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c li\u00ean k\u1ebft ng\u1eafn, nh\u1ea1y c\u1ea3m v\u1ec1 chi ph\u00ed trong kh\u00f4ng gian gi\u1edbi h\u1ea1n, <strong>s\u1ee3i quang \u0111a mode (OM4\/OM5)<\/strong> k\u1ebft h\u1ee3p v\u1edbi <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> v\u1eabn l\u00e0 gi\u1ea3i ph\u00e1p kinh t\u1ebf v\u00e0 m\u1ea1nh m\u1ebd. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi cao v\u1ec1 kho\u1ea3ng c\u00e1ch xa, b\u0103ng th\u00f4ng l\u1edbn ho\u1eb7c h\u01b0\u1edbng t\u1edbi t\u01b0\u01a1ng lai, <strong>s\u1ee3i quang \u0111\u01a1n mode<\/strong> l\u00e0 x\u01b0\u01a1ng s\u1ed1ng thi\u1ebft y\u1ebfu, t\u1eadn d\u1ee5ng c\u00e1c b\u1ed9 ph\u00e1t laser m\u1ea1nh m\u1ebd <strong>b\u1ed9 thu ph\u00e1t quang<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1eb5n s\u00e0ng t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p quang c\u1ee7a b\u1ea1n?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i c\u00e1p quang v\u00e0 <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> t\u01b0\u01a1ng th\u00edch l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ed1i v\u1edbi hi\u1ec7u n\u0103ng v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a m\u1ea1ng. <strong>LINK-PP<\/strong> cung c\u1ea5p <strong>c\u00e1c gi\u1ea3i ph\u00e1p b\u1ed9 thu ph\u00e1t quang<\/strong> ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u00e1ng tin c\u1eady, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf k\u1ef9 l\u01b0\u1ee1ng cho c\u1ea3 tri\u1ec3n khai s\u1ee3i quang \u0111\u01a1n mode v\u00e0 \u0111a mode, \u0111\u1ea3m b\u1ea3o t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u00e0 hi\u1ec7u n\u0103ng t\u1ed1i \u01b0u.<\/p>\n\n\n\n<div><div widgetid=\"3ef779ac451211f099380a58fbc66727\" format=\"embedded\" data-widget-id=\"3ef779ac451211f099380a58fbc66727\" data-mode=\"production.zh\" style=\"display: block;\"><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2726 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa s\u1ee3i quang \u0111\u01a1n mode v\u00e0 \u0111a mode l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ee3i quang \u0111\u01a1n mode c\u00f3 l\u00f5i nh\u1ecf v\u00e0 truy\u1ec1n \u00e1nh s\u00e1ng theo m\u1ed9t \u0111\u01b0\u1eddng duy nh\u1ea5t. S\u1ee3i quang \u0111a mode c\u00f3 l\u00f5i l\u1edbn h\u01a1n v\u00e0 cho ph\u00e9p \u00e1nh s\u00e1ng truy\u1ec1n theo nhi\u1ec1u \u0111\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kho\u1ea3ng c\u00e1ch v\u00e0 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p s\u1ee3i quang \u0111\u01a1n mode v\u00e0 \u0111a mode trong c\u00f9ng m\u1ed9t m\u1ea1ng kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n kh\u00f4ng n\u00ean k\u1ebft h\u1ee3p ch\u00fang. \u0110\u1ea7u n\u1ed1i v\u00e0 b\u1ed9 thu ph\u00e1t quang d\u00e0nh ri\u00eang cho t\u1eebng lo\u1ea1i l\u00e0 kh\u00e1c nhau. N\u1ebfu b\u1ea1n k\u1ebft n\u1ed1i sai, m\u1ea1ng c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 m\u1ea5t t\u00edn hi\u1ec7u ho\u1eb7c ho\u00e0n to\u00e0n kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Lo\u1ea1i c\u00e1p quang n\u00e0o ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c n\u00e2ng c\u1ea5p trong t\u01b0\u01a1ng lai?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ee3i quang \u0111\u01a1n mode ph\u00f9 h\u1ee3p nh\u1ea5t cho c\u00e1c n\u00e2ng c\u1ea5p trong t\u01b0\u01a1ng lai. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u00f3 cho t\u1ed1c \u0111\u1ed9 cao h\u01a1n v\u00e0 kho\u1ea3ng c\u00e1ch xa h\u01a1n. B\u1ea1n ch\u1ec9 c\u1ea7n thay \u0111\u1ed5i b\u1ed9 thu ph\u00e1t quang, ch\u1ee9 kh\u00f4ng c\u1ea7n thay c\u00e1p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >S\u1ee3i quang \u0111a mode c\u00f3 d\u1ec5 l\u1eafp \u0111\u1eb7t h\u01a1n kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00fang v\u1eady, s\u1ee3i quang \u0111a mode d\u1ec5 l\u1eafp \u0111\u1eb7t h\u01a1n. L\u00f5i l\u1edbn h\u01a1n khi\u1ebfn n\u00f3 \u00edt nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi b\u1ee5i v\u00e0 \u0111\u1ed9 c\u0103n ch\u1ec9nh. B\u1ea1n c\u00f3 th\u1ec3 ho\u00e0n t\u1ea5t \u0111\u1ea7u n\u1ed1i nhanh h\u01a1n v\u00e0 v\u1edbi k\u1ef9 n\u0103ng th\u1ea5p h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >S\u1ee3i quang \u0111\u01a1n mode v\u00e0 \u0111a mode c\u00f3 d\u00f9ng c\u00f9ng lo\u1ea1i \u0111\u1ea7u n\u1ed1i kh\u00f4ng?<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>H\u1ea7u h\u1ebft c\u00e1c \u0111\u1ea7u n\u1ed1i tr\u00f4ng gi\u1ed1ng nhau, v\u00ed d\u1ee5 nh\u01b0 LC ho\u1eb7c SC.<br\/>Ph\u1ea7n b\u00ean trong kh\u00e1c nhau t\u00f9y theo lo\u1ea1i s\u1ee3i quang.<br\/>B\u1ea1n ph\u1ea3i ph\u1ed1i h\u1ee3p \u0111\u1ea7u n\u1ed1i ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i s\u1ee3i quang t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 \u0111\u1ea1t k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t.<\/p><\/blockquote>\n\n\n\n<script src=\"https:\/\/cdn.mylandingpages.co\/widgets\/platform\/platform.widget.js\" async=\"true\"><\/script>","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c lo\u1ea1i s\u1ee3i quang: s\u1ee3i quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n ph\u00f9 h\u1ee3p cho kho\u1ea3ng c\u00e1ch xa v\u00e0 b\u0103ng th\u00f4ng cao, trong khi s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 th\u00edch h\u1ee3p cho c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n ng\u1eafn v\u00e0 chi ph\u00ed th\u1ea5p h\u01a1n.<\/p>","protected":false},"author":1,"featured_media":5742,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5743","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5743","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=5743"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5743\/revisions"}],"predecessor-version":[{"id":11345,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5743\/revisions\/11345"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5742"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}