{"id":18796,"date":"2025-03-25T01:54:03","date_gmt":"2025-03-25T01:54:03","guid":{"rendered":"https:\/\/dekam-fiber.com\/?p=18796"},"modified":"2025-03-25T02:32:51","modified_gmt":"2025-03-25T02:32:51","slug":"fiber-optic-cable-manufacturing-process","status":"publish","type":"post","link":"https:\/\/dekam-fiber.com\/vi\/fiber-optic-cable-manufacturing-process\/","title":{"rendered":"Kh\u00e1m ph\u00e1 quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00e1p quang"},"content":{"rendered":"<p>M\u1ea1ng internet si\u00eau nhanh m\u00e0 b\u1ea1n tin t\u01b0\u1edfng s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y \u0111\u01b0\u1ee3c t\u1ea1o ra th\u00f4ng qua <a href=\"https:\/\/dekam-fiber.com\/vi\/adss-fiber-optic-cable\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1p quang<\/a> l\u00e0 nh\u1eefng s\u1ee3i th\u1ee7y tinh ho\u1eb7c nh\u1ef1a m\u1ecfng. Tuy nhi\u00ean, b\u1ea1n bi\u1ebft r\u1eb1ng ch\u00fang tr\u1ea3i qua m\u1ed9t qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ef1c k\u1ef3 ph\u1ee9c t\u1ea1p li\u00ean quan \u0111\u1ebfn c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn, nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t v\u00e0 th\u1eed nghi\u1ec7m k\u1ef9 l\u01b0\u1ee1ng. H\u00e3y c\u00f9ng ch\u00fang t\u00f4i kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi h\u1ea5p d\u1eabn c\u1ee7a s\u1ea3n xu\u1ea5t c\u00e1p quang!<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdr_GQseFd-AgPFpN2GC3ZwOesTsKPURyYcctJhS-2qLrDoNo02Gm0g7BaEHfcLLkskWhOBRjQg39mXaRdbfcCBIXIpcLx8Ub7I_DFfY3qhLKu2-67NxZ7MqgUa7Z-fymFnd2dB0g?key=I5Mvgc9xbnEjuRO1c5sXT2-Y\" alt=\"H\u01b0\u1edbng d\u1eabn quy tr\u00ecnh s\u1ea3n xu\u1ea5t s\u1ee3i quang\"\/><\/figure>\n\n\n\n<p><em>H\u00ecnh s\u1ed1 1 H\u01b0\u1edbng d\u1eabn quy tr\u00ecnh s\u1ea3n xu\u1ea5t s\u1ee3i quang<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1) C\u00e1c y\u00eau c\u1ea7u ch\u00ednh cho s\u1ea3n xu\u1ea5t c\u00e1p quang&nbsp;<\/strong><\/h2>\n\n\n\n<p>\u0110i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i hi\u1ec3u c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 v\u1eadt li\u1ec7u ch\u00ednh li\u00ean quan \u0111\u1ebfn c\u00e1p quang, c\u00f9ng v\u1edbi c\u00e1c y\u00eau c\u1ea7u thi\u1ebft l\u1eadp, tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u v\u1ec1 s\u1ea3n xu\u1ea5t c\u00e1p quang.&nbsp;<\/p>\n\n\n\n<p><strong>i) T\u00ecm hi\u1ec3u v\u1ec1 c\u1ea5u tr\u00fac c\u00e1p quang: <\/strong>Tr\u01b0\u1edbc h\u1ebft, h\u00e3y nh\u1edb r\u1eb1ng<strong> <\/strong>c\u00e1p quang \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb b\u1ed1n l\u1edbp ch\u00ednh: M\u1ed9t l\u00e0 l\u00f5i (ph\u1ea7n trong su\u1ed1t \u1edf gi\u1eefa truy\u1ec1n t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng). T\u01b0\u01a1ng t\u1ef1, l\u1edbp th\u1ee9 hai l\u00e0 l\u1edbp v\u1ecf b\u1ecdc, l\u00e0 ph\u1ea7n ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng bao quanh l\u00f5i \u0111\u1ec3 gi\u1eef l\u1ea1i \u00e1nh s\u00e1ng b\u00ean trong, gi\u1ea3m thi\u1ec3u m\u1ea5t t\u00edn hi\u1ec7u).&nbsp;<\/p>\n\n\n\n<p>Ti\u1ebfp theo l\u00e0 l\u1edbp ph\u1ee7 \u0111\u1ec7m, l\u00e0 l\u1edbp b\u1ea3o v\u1ec7 ch\u1ed1ng m\u00e0i m\u00f2n, b\u1ea3o v\u1ec7 s\u1ee3i kh\u1ecfi tr\u1ea7y x\u01b0\u1edbc v\u00e0 h\u01b0 h\u1ecfng b\u00ean ngo\u00e0i. L\u1edbp cu\u1ed1i c\u00f9ng l\u00e0 l\u1edbp v\u1ecf c\u00f3 t\u00e1c d\u1ee5ng c\u00e1ch nhi\u1ec7t v\u1edbi m\u00f4i tr\u01b0\u1eddng xung quanh.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXe8Y2W9cY6jeOGpk9v_TryZII-0r5dVhXLo5xIJ5br8fq0FztL9tLGbozB2swdTcPX6WYMR0qgNRm9AMUMN7DI5vz4R_-7kJ3U8SEO9PPMJpWT_MXz8xCVzJ88utb68MJYxIixjBg?key=I5Mvgc9xbnEjuRO1c5sXT2-Y\" alt=\"\u0110i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1p quang\"\/><\/figure>\n\n\n\n<p><em>H\u00ecnh s\u1ed1 2 \u0110i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1p quang<\/em><\/p>\n\n\n\n<p><strong>ii) L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u: <\/strong>B\u00ean c\u1ea1nh \u0111\u00f3,<strong> <\/strong>vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed1i \u01b0u. V\u00ec v\u1eady, h\u00e3y xem b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 nhanh ch\u00f3ng quy\u1ebft \u0111\u1ecbnh lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0o b\u1ea1n ph\u1ea3i l\u1ef1a ch\u1ecdn!&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><strong>L\u00f5i<\/strong><\/td><td><strong>\u1ed1p t\u01b0\u1eddng<\/strong><\/td><td><strong>L\u1edbp ph\u1ee7 \u0111\u1ec7m<\/strong><\/td><td><strong>Th\u00e0nh vi\u00ean s\u1ee9c m\u1ea1nh<\/strong><\/td><td><strong>\u00c1o kho\u00e1c ngo\u00e0i<\/strong><\/td><\/tr><tr><td><strong>Nguy\u00ean v\u1eadt li\u1ec7u<\/strong><\/td><td>K\u00ednh silic (99.999% tinh khi\u1ebft)<\/td><td>Silica pha t\u1ea1p flo<\/td><td>Acrylic \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng tia UV<\/td><td>Kevlar, th\u00e9p, s\u1ee3i th\u1ee7y tinh<\/td><td>PVC, LSZH, polyethylene<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>iii) Y\u00eau c\u1ea7u s\u1ea3n xu\u1ea5t:<\/strong> H\u01a1n n\u1eefa, s\u1ea3n xu\u1ea5t c\u00e1p quang \u0111\u00f2i h\u1ecfi m\u00e1y m\u00f3c ch\u00ednh x\u00e1c, ph\u00f2ng s\u1ea1ch v\u00e0 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 nghi\u00eam ng\u1eb7t. V\u00ed d\u1ee5, quy tr\u00ecnh k\u00e9o s\u1ee3i \u0111\u00f2i h\u1ecfi ph\u1ea3i nung silica \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 2000 \u0111\u1ed9 C v\u1edbi \u0111\u01b0\u1eddng k\u00ednh duy tr\u00ec \u1edf m\u1ee9c 125 micron v\u1edbi \u0111\u1ed9 bi\u1ebfn thi\u00ean ch\u1ec9 \u00b11 micron.<\/p>\n\n\n\n<p><strong>iv) Bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng: <\/strong>Tuy nhi\u00ean,<strong> <\/strong>Tr\u01b0\u1edbc khi m\u1edf r\u1ed9ng quy m\u00f4 s\u1ea3n xu\u1ea5t, c\u1ea7n \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng c\u00e1p quang. \u0110\u1ed1i v\u1edbi s\u1ee3i quang \u0111\u01a1n mode, m\u1ea5t t\u00edn hi\u1ec7u ho\u1eb7c suy gi\u1ea3m ph\u1ea3i d\u01b0\u1edbi 0,2 dB\/km trong khi c\u00e1p ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c k\u00e9o kh\u00f4ng d\u01b0\u1edbi 50 Newton \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i.&nbsp;<\/p>\n\n\n\n<p>V\u00ec v\u1eady, b\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u00e0y, c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1p quang c\u00f3 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady li\u00ean t\u1ee5c trong h\u01a1n 25 n\u0103m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><em>2) H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc v\u1ec1 quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00e1p quang<\/em><\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdl3F84oE6dDRETeE15Q_K1Q5PJ5vBI8qaTG-NgNloEHW3JUE8_Aw9gsJS5IFHDcDdmrH9XTYtU_pJXb-X7-CAZwJKeNVqnLzIpseeR1ijNkYmB6cpZX7EmXd_q1KqjRvx2HHdb_A?key=I5Mvgc9xbnEjuRO1c5sXT2-Y\" alt=\"B\u1ea3ng quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00e1p quang\"\/><\/figure>\n\n\n\n<p><em>H\u00ecnh s\u1ed1 3 S\u01a1 \u0111\u1ed3 quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00e1p quang<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>i) B\u01b0\u1edbc 1: S\u1ea3n xu\u1ea5t ph\u00f4i&nbsp;<\/strong><\/h3>\n\n\n\n<p>Giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t ph\u00f4i m\u00e0 t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 r\u00fat ra s\u1ee3i quang c\u00f3 c\u00e1c thu\u1ed9c t\u00ednh v\u01b0\u1ee3t tr\u1ed9i. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng ph\u00f4i nh\u01b0 m\u1ed9t \u201cb\u1ea3n thi\u1ebft k\u1ebf\u201d ki\u1ec3m so\u00e1t c\u1ea5u tr\u00fac c\u1ee7a c\u00e1p quang, v\u00e0 do \u0111\u00f3 t\u1ea5t c\u1ea3 c\u00e1c quy tr\u00ecnh quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 \u00e1nh s\u00e1ng truy\u1ec1n qua n\u00f3.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcWBOs782eT9BKnUuoNd0HLD8Ed7IIoiBOuHR8oSwlu_O7Wksode2F7MWSh45m4mwHabI2Q7brEPUWSKYD5BJPP2n3poZr95O5c9k_jMxr0jxVAaZHSHitZqFdz60C1LsfGv5tHJg?key=I5Mvgc9xbnEjuRO1c5sXT2-Y\" alt=\"S\u1ea3n xu\u1ea5t ph\u00f4i cho c\u00e1p quang\"\/><\/figure>\n\n\n\n<p><em>H\u00ecnh s\u1ed1 4 S\u1ea3n xu\u1ea5t ph\u00f4i cho c\u00e1p quang<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ph\u00f4i \u0111\u01b0\u1ee3c t\u1ea1o ra nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t c\u1ef1c cao, lo\u1ea1i \u0111a n\u0103ng <a href=\"https:\/\/wwwn.cdc.gov\/TSP\/substances\/ToxSubstance.aspx?toxid=290#:~:text=Summary%3A%20Silica%20is%20another%20name,but%20have%20different%20atom%20arrangements.\" target=\"_blank\" rel=\"noreferrer noopener\">silic<\/a> (\u0111\u1ed9 tinh khi\u1ebft 99,999%) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 c\u1ea3 l\u00f5i v\u00e0 l\u1edbp ph\u1ee7 \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u1eafng \u0111\u1ecdng th\u00e0nh t\u1eebng l\u1edbp. \u1ede \u0111\u00e2y, h\u00e3y nh\u1edb r\u1eb1ng m\u1ecdi ch\u00fat t\u1ea1p ch\u1ea5t, ngay c\u1ea3 khi \u1edf gi\u1eefa d\u00f2ng, ch\u1ec9 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t t\u00edn hi\u1ec7u v\u00e0 do \u0111\u00f3 tu\u00e2n th\u1ee7 m\u1ed9t quy tr\u00ecnh nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXd0dpULR9EsFrvxTRWqBPRK7sjw8gaaWsoIPlBceijI4fwNIZEE5xDa34VvKgYYmgOicvR3wKMMnhHMOCvD065sFTcxs6S-Xlsy4lDngeZ38lnOS0mJvWRrcgVZpLULK10yzcG8OA?key=I5Mvgc9xbnEjuRO1c5sXT2-Y\" alt=\"Quy tr\u00ecnh MCVD s\u1ea3n xu\u1ea5t c\u00e1p quang\"\/><\/figure>\n\n\n\n<p><em>H\u00ecnh s\u1ed1 5 Quy tr\u00ecnh MCVD s\u1ea3n xu\u1ea5t c\u00e1p quang<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ba ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf t\u1ea1o ph\u00f4i ph\u1ed5 bi\u1ebfn\u00a0<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><strong>Qu\u00e1 tr\u00ecnh<\/strong><\/td><td><strong>T\u1ed1t nh\u1ea5t cho<\/strong><\/td><td><strong>\u01afu \u0111i\u1ec3m<\/strong><\/td><td><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/td><\/tr><tr><td><strong>MCVD (Ph\u00e9p l\u1eafng \u0111\u1ecdng h\u01a1i h\u00f3a h\u1ecdc c\u1ea3i ti\u1ebfn)<\/strong><\/td><td>Kh\u00ed \u0111\u01b0\u1ee3c \u0111un n\u00f3ng b\u00ean trong \u1ed1ng silica quay \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c l\u1edbp<\/td><td>S\u1ee3i vi\u1ec5n th\u00f4ng c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/td><td>Ki\u1ec3m so\u00e1t chi\u1ebft su\u1ea5t ch\u00ednh x\u00e1c<\/td><td>N\u0103ng su\u1ea5t s\u1ea3n xu\u1ea5t th\u1ea5p, chi ph\u00ed cao<\/td><\/tr><tr><td><strong>OVD (B\u1ed1c h\u01a1i b\u00ean ngo\u00e0i)<\/strong><\/td><td>C\u00e1c h\u1ea1t silica \u0111\u01b0\u1ee3c l\u1eafng \u0111\u1ecdng tr\u00ean m\u1ed9t thanh quay, sau \u0111\u00f3 \u0111\u01b0\u1ee3c thi\u00eau k\u1ebft<\/td><td>S\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t s\u1ee3i ti\u00eau chu\u1ea9n<\/td><td>Ki\u1ec3m so\u00e1t t\u00ednh ch\u1ea5t s\u1ee3i t\u1ed1t<\/td><td>Thi\u1ebft l\u1eadp ph\u1ee9c t\u1ea1p<\/td><\/tr><tr><td><strong>VAD (L\u1eafng \u0111\u1ecdng tr\u1ee5c h\u01a1i)<\/strong><\/td><td>S\u1ef1 l\u1eafng \u0111\u1ecdng theo chi\u1ec1u d\u1ecdc t\u1ea1o ra c\u00e1c ph\u00f4i l\u1edbn<\/td><td>S\u1ee3i quang kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn, chi ph\u00ed th\u1ea5p<\/td><td>S\u1ea3n xu\u1ea5t hi\u1ec7u qu\u1ea3 quy m\u00f4 l\u1edbn<\/td><td>Y\u00eau c\u1ea7u thi\u1ebft b\u1ecb ti\u00ean ti\u1ebfn<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>V\u1edbi c\u00e1c b\u01b0\u1edbc n\u00e0y, ph\u00f4i sau \u0111\u00f3 \u0111\u01b0\u1ee3c thi\u00eau k\u1ebft \u1edf nhi\u1ec7t \u0111\u1ed9 1600-1800\u00b0C \u0111\u1ec3 lo\u1ea1i b\u1ecf b\u1ecdt kh\u00ed v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 trong su\u1ed1t quang h\u1ecdc v\u00f4 song. Sau c\u00e1c quy tr\u00ecnh n\u00e0y, m\u1ed9t thanh r\u1eafn trong su\u1ed1t \u0111\u01b0\u1ee3c t\u1ea1o ra, thanh n\u00e0y hi\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n sang k\u00e9o s\u1ee3i; \u0111\u00e2y l\u00e0 giai \u0111o\u1ea1n ti\u1ebfp theo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 2: Quy tr\u00ecnh k\u00e9o s\u1ee3i<\/strong><\/h3>\n\n\n\n<p>Sau khi chu\u1ea9n b\u1ecb ph\u00f4i, gi\u1edd \u0111\u1ebfn b\u01b0\u1edbc chuy\u1ec3n \u0111\u1ed5i th\u00e0nh s\u1ee3i quang si\u00eau m\u1ecfng. Qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra trong th\u00e1p k\u00e9o s\u1ee3i, \u0111\u00e2y l\u00e0 h\u1ec7 th\u1ed1ng c\u1ef1c k\u1ef3 tinh vi qu\u1ea3n l\u00fd m\u1ecdi chi ti\u1ebft \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00f4 t\u1ea3 c\u00f4ng vi\u1ec7c c\u1ee7a quy tr\u00ecnh k\u00e9o s\u1ee3i\u00a0\u00a0<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tr\u01b0\u1edbc h\u1ebft, l\u00f2 nung s\u1ebd nung n\u00f3ng \u0111\u1ea7u ph\u00f4i c\u1ee7a b\u1ea1n \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 2000-2200 \u00b0C. Cho \u0111\u1ebfn khi \u0111\u1ea7u ph\u00f4i m\u1ec1m.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u1ebfp theo, silica n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c k\u00e9o b\u1edfi tr\u1ecdng l\u1ef1c v\u00e0 t\u1ea1o th\u00e0nh s\u1ee3i m\u1ecfng.\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hi\u1ec7n nay, \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a s\u1ee3i \u0111\u01b0\u1ee3c theo d\u00f5i li\u00ean t\u1ee5c b\u1eb1ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t laser. N\u00f3 \u0111\u1ea3m b\u1ea3o s\u1ee3i c\u00f3 k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c l\u00e0 125 micron \u00b1 1 micron.\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdZBo3vyX3dBqTwOunkyXH11WArTBCnefAt3yNFRvqlZ6_BtCUy1EiJeuXjcRfmQYhYPAZHAGwVgNS_a3o69T_V3NagrVBXIHpWJj0Gl5hnO36Q3fUJ8EpflSfYo7cnpJ4l5Ttr2w?key=I5Mvgc9xbnEjuRO1c5sXT2-Y\" alt=\"Th\u00e1p k\u00e9o s\u1ee3i\"\/><\/figure>\n\n\n\n<p><em>H\u00ecnh s\u1ed1 6 Th\u00e1p k\u00e9o s\u1ee3i<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00c1p d\u1ee5ng l\u1edbp ph\u1ee7 ch\u00ednh<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Tr\u01b0\u1edbc khi s\u1ee3i ngu\u1ed9i, m\u1ed9t l\u1edbp ph\u1ee7 polymer \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng tia UV \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng ngay l\u1eadp t\u1ee9c \u0111\u1ec3 s\u1ee3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi h\u01b0 h\u1ea1i b\u00ean ngo\u00e0i. Qu\u00e1 tr\u00ecnh ph\u1ee7 n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong mili gi\u00e2y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng h\u00ecnh th\u00e0nh c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf.&nbsp;&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u00e0m m\u00e1t v\u00e0 cu\u1ed9n d\u00e2y<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Sau khi ph\u1ee7 l\u1edbp ph\u1ee7 ch\u00ednh, s\u1ee3i s\u1ebd di chuy\u1ec3n \u0111\u1ebfn bu\u1ed3ng l\u00e0m m\u00e1t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. B\u00e2y gi\u1edd, s\u1ee3i n\u00e0y \u0111\u01b0\u1ee3c qu\u1ea5n tr\u00ean m\u1ed9t cu\u1ed9n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 3: Ki\u1ec3m tra s\u1ee3i v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng&nbsp;<\/strong><\/h3>\n\n\n\n<p>Tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh, s\u1ee3i quang ph\u1ea3i tr\u1ea3i qua qu\u00e1 tr\u00ecnh ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng. \u0110i\u1ec1u n\u00e0y l\u00e0 do m\u1ea5t t\u00edn hi\u1ec7u ho\u1eb7c tr\u1ee5c tr\u1eb7c c\u01a1 h\u1ecdc c\u00f3 h\u1ea1i nghi\u00eam tr\u1ecdng v\u00e0 do \u0111\u00f3, c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng nhi\u1ec1u b\u01b0\u1edbc ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u00e1p d\u1ee5ng.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ki\u1ec3m tra hi\u1ec7u su\u1ea5t quang h\u1ecdc<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><strong>M\u1ee5c \u0111\u00edch<\/strong><\/td><td><strong>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m<\/strong><\/td><td><strong>C\u00e1c lo\u1ea1i c\u00e1p \u00e1p d\u1ee5ng<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb chu\u1ea9n<\/strong><\/td><\/tr><tr><td><strong>Ki\u1ec3m tra suy gi\u1ea3m<\/strong><\/td><td>\u0110o m\u1ea5t t\u00edn hi\u1ec7u<\/td><td>T\u00edn hi\u1ec7u \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c g\u1eedi qua s\u1ee3i quang v\u00e0 ghi l\u1ea1i s\u1ef1 m\u1ea5t m\u00e1t<\/td><td>S\u1ee3i \u0111\u01a1n mode, \u0111a mode<\/td><td>\u2264 0,35 dB\/km \u1edf 1310 nm (SMF), \u2264 3,0 dB\/km \u1edf 850 nm (MMF)<\/td><\/tr><tr><td><strong>Ki\u1ec3m tra ph\u00e2n t\u00e1n<\/strong><\/td><td>\u0110\u00e1nh gi\u00e1 s\u1ef1 m\u1edf r\u1ed9ng t\u00edn hi\u1ec7u<\/td><td>Ph\u00e2n t\u00edch OTDR<\/td><td>C\u00e1p ng\u1ea7m, DWDM, \u0111\u01b0\u1eddng d\u00e0i<\/td><td>S\u1eafc \u0111\u1ed9: \u2264 18 ps\/nm\u00b7km, Ch\u1ebf \u0111\u1ed9 ph\u00e2n c\u1ef1c: \u2264 0,2 ps\/\u221akm<\/td><\/tr><tr><td><strong>Ki\u1ec3m tra m\u1ea5t m\u00e1t tr\u1ea3 v\u1ec1<\/strong><\/td><td>Ki\u1ec3m tra c\u00f4ng su\u1ea5t t\u00edn hi\u1ec7u ph\u1ea3n x\u1ea1<\/td><td>OTDR ho\u1eb7c M\u00e1y \u0111o c\u00f4ng su\u1ea5t<\/td><td>T\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i c\u00e1p quang<\/td><td>\u2265 55 dB cho ch\u1ebf \u0111\u1ed9 \u0111\u01a1n, \u2265 30 dB cho ch\u1ebf \u0111\u1ed9 \u0111a<\/td><\/tr><tr><td><strong>Ki\u1ec3m tra m\u1ea5t ch\u00e8n<\/strong><\/td><td>\u0110o l\u01b0\u1eddng m\u1ea5t k\u1ebft n\u1ed1i<\/td><td>\u0110o c\u00f4ng su\u1ea5t tr\u01b0\u1edbc v\u00e0 sau<\/td><td>D\u00e2y v\u00e1, \u0111\u1ea7u n\u1ed1i, c\u00e1p n\u1ed1i<\/td><td>\u2264 0,3 dB cho m\u1ed7i \u0111\u1ea7u n\u1ed1i<\/td><\/tr><tr><td><strong>Ki\u1ec3m tra \u0111\u1ed9 ph\u00e2n t\u00e1n ch\u1ebf \u0111\u1ed9 ph\u00e2n c\u1ef1c (PMD)<\/strong><\/td><td>\u0110\u00e1nh gi\u00e1 \u0111\u1ed9 m\u00e9o t\u00edn hi\u1ec7u<\/td><td>Ph\u00e2n t\u00edch ph\u00e2n c\u1ef1c<\/td><td>S\u1ee3i quang t\u1ed1c \u0111\u1ed9 cao, kho\u1ea3ng c\u00e1ch xa<\/td><td>\u2264 0,2 ps\/\u221akm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><strong>M\u1ee5c \u0111\u00edch<\/strong><\/td><td><strong>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m<\/strong><\/td><td><strong>C\u00e1c lo\u1ea1i c\u00e1p \u00e1p d\u1ee5ng<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb chu\u1ea9n<\/strong><\/td><\/tr><tr><td><strong>Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o<\/strong><\/td><td>Ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c k\u00e9o<\/td><td>K\u00e9o d\u00e0i cho \u0111\u1ebfn khi ki\u1ec7t s\u1ee9c<\/td><td>C\u00e1p tr\u00ean kh\u00f4ng, c\u00e1p ng\u1ea7m, c\u00e1p ng\u1ea7m d\u01b0\u1edbi bi\u1ec3n<\/td><td>600\u20132700 \u0110B<\/td><\/tr><tr><td><strong>Ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c nghi\u1ec1n<\/strong><\/td><td>Ch\u1ed1ng n\u00e9n<\/td><td>L\u1ef1c t\u00e1c d\u1ee5ng v\u00e0o c\u00e1p<\/td><td>C\u00e1p b\u1ecdc th\u00e9p ch\u00f4n tr\u1ef1c ti\u1ebfp<\/td><td>1000\u20133000N\/10cm<\/td><\/tr><tr><td><strong>Ki\u1ec3m tra va \u0111\u1eadp<\/strong><\/td><td>Ch\u1ecbu \u0111\u01b0\u1ee3c nh\u1eefng t\u00e1c \u0111\u1ed9ng \u0111\u1ed9t ng\u1ed9t<\/td><td>Ki\u1ec3m tra tr\u1ecdng l\u01b0\u1ee3ng gi\u1ea3m<\/td><td>C\u00e1p trong nh\u00e0, ngo\u00e0i tr\u1eddi, c\u00f4ng nghi\u1ec7p<\/td><td>1\u201310 l\u1ea7n va ch\u1ea1m, 1\u20132 Nm<\/td><\/tr><tr><td><strong>Ki\u1ec3m tra u\u1ed1n cong<\/strong><\/td><td>\u0110\u00e1nh gi\u00e1 t\u00ednh linh ho\u1ea1t<\/td><td>U\u1ed1n cong \u1edf nhi\u1ec1u g\u00f3c \u0111\u1ed9 kh\u00e1c nhau<\/td><td>D\u00e2y v\u00e1, c\u00e1p riser \u0111\u1ec7m ch\u1eb7t<\/td><td>20\u201350 chu k\u1ef3 \u1edf \u0111\u01b0\u1eddng k\u00ednh 20\u00d7<\/td><\/tr><tr><td><strong>Ki\u1ec3m tra \u0111\u1ed9 th\u1ea5m n\u01b0\u1edbc<\/strong><\/td><td>Ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a \u0111\u1ed9 \u1ea9m<\/td><td>Ki\u1ec3m tra ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc<\/td><td>C\u00e1p ng\u1ea7m ngo\u00e0i tr\u1eddi ch\u1ee9a \u0111\u1ea7y gel<\/td><td>Kh\u00f4ng th\u1ea5m n\u01b0\u1edbc (24 gi\u1edd)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ki\u1ec3m tra l\u1ed7i cu\u1ed1i c\u00f9ng:\u00a0<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Ch\u1ee5p \u1ea3nh b\u1eb1ng k\u00ednh hi\u1ec3n vi cho ph\u00e9p ph\u00e1t hi\u1ec7n c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf, bong b\u00f3ng ho\u1eb7c l\u1edbp ph\u1ee7 sido kh\u00f4ng \u0111\u1ec1u v\u00e0 ch\u1ec9 n\u00ean th\u1ef1c hi\u1ec7n sau khi s\u1ee3i \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn. C\u00e1c s\u1ee3i kh\u00f4ng \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn s\u1ebd b\u1ecb lo\u1ea1i b\u1ecf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ec9 s\u1eed d\u1ee5ng c\u00e1c s\u1ee3i ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 4: L\u1edbp ph\u1ee7 th\u1ee9 c\u1ea5p v\u00e0 \u0111\u1ec7m&nbsp;<\/strong><\/h3>\n\n\n\n<p>\u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n m\u00e0 s\u1ee3i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u1ec3 c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t h\u01a1n.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00c1p d\u1ee5ng l\u1edbp b\u1ea3o v\u1ec7 th\u1ee9 c\u1ea5p\u00a0\u00a0<\/strong><\/li>\n<\/ul>\n\n\n\n<p>M\u1ed9t l\u1edbp acrylate ho\u1eb7c nh\u1ef1a nhi\u1ec7t d\u1ebbo th\u1ee9 hai \u0111\u01b0\u1ee3c ph\u1ee7 l\u00ean l\u1edbp ph\u1ee7 ch\u00ednh \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee3i kh\u1ecfi \u0111\u1ed9 \u1ea9m, t\u00e1c \u0111\u1ed9ng c\u1ee7a h\u00f3a ch\u1ea5t v\u00e0 \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ch\u1ecdn \u0111\u00fang k\u1ef9 thu\u1eadt \u0111\u1ec7m\u00a0\u00a0<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>? <\/strong><strong>\u0110\u1ec7m \u1ed1ng l\u1ecfng: <\/strong>S\u1ee3i \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u1ecfng l\u1ebbo trong \u1ed1ng nh\u1ef1a ch\u1ee9a gel ho\u1eb7c kh\u00f4ng kh\u00ed, mang l\u1ea1i t\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n<p><strong>? <\/strong><strong>\u0110\u1ec7m ch\u1eb7t ch\u1ebd: <\/strong>\u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c \u00e1p d\u1ee5ng m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c g\u1eafn ch\u1eb7t v\u00e0o s\u1ee3i. \u0110i\u1ec1u n\u00e0y l\u00e0m cho s\u1ee3i ch\u1eafc ch\u1eafn h\u01a1n khi l\u1eafp \u0111\u1eb7t tr\u1ef1c ti\u1ebfp.&nbsp;&nbsp;<\/p>\n\n\n\n<p>L\u1edbp \u0111\u1ec7m th\u00edch h\u1ee3p cho ph\u00e9p s\u1ee3i quang ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c c\u00f4ng tr\u00ecnh l\u1eafp \u0111\u1eb7t d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t v\u00e0 tr\u00ean kh\u00f4ng c\u0169ng nh\u01b0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t c\u1ee7a bi\u1ec3n.&nbsp;&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 5: L\u1eafp r\u00e1p c\u00e1p v\u00e0 v\u1ecf b\u1ecdc&nbsp;<\/strong><\/h3>\n\n\n\n<p>C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb \u0111\u00e3 ho\u00e0n t\u1ea5t, s\u1ee3i quang \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1p quang ho\u00e0n ch\u1ec9nh.&nbsp;&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>N\u1ed1i nhi\u1ec1u s\u1ee3i l\u1ea1i v\u1edbi nhau\u00a0\u00a0<\/strong><\/li>\n<\/ul>\n\n\n\n<p>V\u1edbi <a href=\"https:\/\/dekam-fiber.com\/vi\/fiber-optic-cable-core\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1p \u0111a s\u1ee3i<\/a>, c\u00e1c s\u1ee3i \u0111\u01b0\u1ee3c \u0111\u1eb7t theo th\u1ee9 t\u1ef1 c\u1ee5 th\u1ec3 b\u00ean trong m\u1ed9t \u1ed1ng trung t\u00e2m. \u0110\u1ec3 ch\u1ed1ng h\u01b0 h\u1ecfng, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t bao g\u1ed3m <a href=\"https:\/\/www.sciencedirect.com\/topics\/materials-science\/kevlar#:~:text=Kevlar%20is%20a%20type%20of,%2C%20car%20brakes%2C%20and%20boats.\" target=\"_blank\" rel=\"noreferrer noopener\">Kevlar<\/a>, d\u00e2y th\u00e9p ho\u1eb7c thanh s\u1ee3i th\u1ee7y tinh \u0111\u1ec3 gia c\u1ed1 \u1ed1ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Th\u00eam l\u1edbp \u00e1o b\u1ea3o v\u1ec7 b\u00ean ngo\u00e0i\u00a0\u00a0<\/strong><\/li>\n<\/ul>\n\n\n\n<p>M\u1ed9t l\u1edbp v\u1ecf b\u1ecdc b\u00ean ngo\u00e0i \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1p c\u1ee7a b\u1ea1n kh\u1ecfi c\u00e1c r\u1ee7i ro v\u1ec1 m\u00f4i tr\u01b0\u1eddng. Lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng:&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Ch\u1ea5t li\u1ec7u \u00e1o kho\u00e1c<\/strong><\/td><td><strong>T\u1ed1t nh\u1ea5t cho<\/strong><\/td><\/tr><tr><td><strong>PVC (Polyvinyl clorua)<\/strong><\/td><td>S\u1eed d\u1ee5ng trong nh\u00e0, ti\u1ebft ki\u1ec7m chi ph\u00ed<\/td><\/tr><tr><td><strong>LSZH (\u00cdt kh\u00f3i, kh\u00f4ng halogen)<\/strong><\/td><td>Ch\u1ed1ng ch\u00e1y, l\u00fd t\u01b0\u1edfng cho kh\u00f4ng gian k\u00edn<\/td><\/tr><tr><td><strong>Polyetylen (PE)<\/strong><\/td><td>\u1ee8ng d\u1ee5ng ngo\u00e0i tr\u1eddi v\u00e0 d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t<\/td><\/tr><tr><td><strong><a href=\"https:\/\/dekam-fiber.com\/vi\/armored-fiber-optic-cable\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1p b\u1ecdc th\u00e9p<\/a> (Th\u00e9p\/B\u0103ng)<\/strong><\/td><td>Khu v\u1ef1c b\u1ea3o v\u1ec7 cao, c\u00e1c c\u01a1 s\u1edf ch\u00f4n c\u1ea5t tr\u1ef1c ti\u1ebfp<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 \u1ea9m cu\u1ed1i c\u00f9ng v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng ch\u00e1y<\/strong><\/li>\n<\/ul>\n\n\n\n<p><a href=\"https:\/\/dekam-fiber.com\/vi\/fiber-optic-cable-manufacturers-in-china\/\" target=\"_blank\" rel=\"noreferrer noopener\">Nh\u00e0 s\u1ea3n xu\u1ea5t c\u00e1p quang<\/a> \u0111\u1eb7t gel ho\u1eb7c b\u0103ng ch\u1eb7n n\u01b0\u1edbc b\u00ean trong c\u00e1p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1p kh\u00f4ng b\u1ecb n\u01b0\u1edbc ti\u1ebfp x\u00fac. Khi \u0111\u00f3ng c\u00e1p, v\u1eadt li\u1ec7u ch\u1ecbu nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u00f3 lo ng\u1ea1i v\u1ec1 vi\u1ec7c c\u00e1p c\u00f3 th\u1ec3 ti\u1ebfp x\u00fac v\u1edbi l\u1eeda.\u00a0\u00a0<\/p>\n\n\n\n<p>Ngo\u00e0i c\u00e1c quy tr\u00ecnh n\u00e0y, th\u1eed nghi\u1ec7m cu\u1ed1i c\u00f9ng v\u1eabn l\u00e0 b\u01b0\u1edbc cu\u1ed1i c\u00f9ng \u0111\u1ec3 ho\u00e0n thi\u1ec7n c\u00e1p quang.&nbsp;&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 6: Ki\u1ec3m tra cu\u1ed1i c\u00f9ng v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng&nbsp;&nbsp;<\/strong><\/h3>\n\n\n\n<p>C\u00e1p c\u1ee7a b\u1ea1n tr\u1ea3i qua m\u1ed9t lo\u1ea1t c\u00e1c th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n vi\u1ec5n th\u00f4ng, internet v\u00e0 c\u00f4ng nghi\u1ec7p \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng c\u1ee7a n\u00f3 trong c\u00e1c l\u0129nh v\u1ef1c \u0111\u00f3. C\u00e1c lo\u1ea1i c\u00e1p c\u0169ng tr\u1ea3i qua qu\u00e1 tr\u00ecnh ki\u1ec3m tra cu\u1ed1i c\u00f9ng bao g\u1ed3m ki\u1ec3m tra c\u00e1c kh\u00eda c\u1ea1nh tr\u1ef1c quan, \u0111o \u0111\u01b0\u1eddng k\u00ednh v\u00e0 \u0111\u00e1nh d\u1ea5u vi\u00ean nang. Sau khi tr\u1ea3i qua t\u1ea5t c\u1ea3 c\u00e1c th\u1eed nghi\u1ec7m, c\u00e1p \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb \u0111\u1ec3 v\u1eadn chuy\u1ec3n v\u00e0 l\u1eafp \u0111\u1eb7t \u0111\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng truy\u1ec1n th\u00f4ng t\u1ed1c \u0111\u1ed9 cao, \u0111\u01b0\u1eddng d\u00e0i v\u1edbi \u00edt m\u1ea5t t\u00edn hi\u1ec7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3) Ph\u00e1n quy\u1ebft cu\u1ed1i c\u00f9ng<\/strong><\/h2>\n\n\n\n<p>T\u00f3m l\u1ea1i, vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1p quang l\u00e0 m\u1ed9t quy tr\u00ecnh chuy\u00ean m\u00f4n h\u00f3a cao v\u00e0 ti\u00ean ti\u1ebfn. M\u1ed7i b\u01b0\u1edbc, b\u1eaft \u0111\u1ea7u t\u1eeb ch\u1ebf t\u1ea1o ph\u00f4i \u0111\u1ebfn c\u00e1c th\u1eed nghi\u1ec7m \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed1i c\u00f9ng, c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh v\u1edbi s\u1ef1 ch\u00fa \u00fd t\u1ed1i \u0111a \u0111\u1ec3 gi\u1ea3m thi\u1ec3u m\u1ea5t t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n t\u1ed1i \u0111a. V\u1edbi th\u1ebf gi\u1edbi hi\u1ec7n \u0111ang mong \u0111\u1ee3i truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao, s\u1ef1 \u0111\u1ed5i m\u1edbi trong c\u00e1p quang li\u00ean t\u1ee5c t\u0103ng l\u00ean \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t. V\u1edbi c\u00e1c ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng v\u00f4 song v\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb s\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn, <strong>Dekam<\/strong> l\u00e0 nh\u00e0 cung c\u1ea5p c\u00e1p quang cao c\u1ea5p c\u1ee7a b\u1ea1n. V\u00ec v\u1eady, h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay h\u00f4m nay!<\/p>","protected":false},"excerpt":{"rendered":"<p>M\u1ea1ng internet si\u00eau nhanh m\u00e0 b\u1ea1n tin t\u01b0\u1edfng m\u1ed7i ng\u00e0y \u0111\u01b0\u1ee3c t\u1ea1o ra th\u00f4ng qua c\u00e1p quang l\u00e0 nh\u1eefng s\u1ee3i th\u1ee7y tinh ho\u1eb7c nh\u1ef1a m\u1ecfng. Tuy nhi\u00ean, b\u1ea1n bi\u1ebft r\u1eb1ng ch\u00fang tr\u1ea3i qua m\u1ed9t qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ef1c k\u1ef3 ph\u1ee9c t\u1ea1p li\u00ean quan \u0111\u1ebfn c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn, nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t v\u00e0 th\u1eed nghi\u1ec7m k\u1ef9 l\u01b0\u1ee1ng. H\u00e3y c\u00f9ng \u0111\u01b0a b\u1ea1n v\u00e0o th\u1ebf gi\u1edbi h\u1ea5p d\u1eabn c\u1ee7a [\u2026]<\/p>","protected":false},"author":1,"featured_media":18553,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Exploring the Fiber Optic Cable Manufacturing Process DEKAM","_seopress_titles_desc":"","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-18796","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts\/18796","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/comments?post=18796"}],"version-history":[{"count":8,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts\/18796\/revisions"}],"predecessor-version":[{"id":18808,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts\/18796\/revisions\/18808"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/media\/18553"}],"wp:attachment":[{"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/media?parent=18796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/categories?post=18796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/tags?post=18796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}