{"id":326895,"date":"2024-03-22T14:38:23","date_gmt":"2024-03-22T07:38:23","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=326895"},"modified":"2024-03-22T14:38:23","modified_gmt":"2024-03-22T07:38:23","slug":"dut-cap-quang","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/dut-cap-quang\/","title":{"rendered":"Th\u1ef1c tr\u1ea1ng c\u00e1c tuy\u1ebfn c\u00e1p quang bi\u1ec3n t\u1ea1i Vi\u1ec7t Nam"},"content":{"rendered":"

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 ng\u00e0y nay, h\u1ec7 th\u1ed1ng c\u00e1p quang gi\u1eef vai tr\u00f2 c\u1ef1c k\u1ef3 quan tr\u1ecdng trong \u0111\u1eddi s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi. Hi\u1ec7n t\u1ea1i, n\u01b0\u1edbc ta \u0111ang c\u00f3 t\u1ed5ng c\u1ed9ng 5 \u0111\u01b0\u1eddng c\u00e1p quang qu\u1ed1c t\u1ebf. Theo \u0111\u00f3, \u0111i\u1ec1u m\u1ecdi ng\u01b0\u1eddi quan t\u00e2m nh\u1ea5t l\u00fac n\u00e0y l\u00e0 t\u00ecnh h\u00ecnh <\/span>\u0111\u1ee9t c\u00e1p quang<\/b> c\u00f3 x\u1ea3y ra hay kh\u00f4ng? B\u1edfi v\u00ec trong n\u0103m 2023, c\u1ea3 n\u01b0\u1edbc \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u tin t\u1ee9c kh\u00f4ng m\u1ea5y kh\u1ea3 quan v\u1ec1 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng c\u00e1p Internet n\u00e0y.<\/span><\/p>\n

C\u00e1p quang bi\u1ec3n l\u00e0 g\u00ec?<\/b><\/h2>\n

C\u00e1p quang bi\u1ec3n l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn t\u00edn hi\u1ec7u quang h\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u, \u00e2m thanh v\u00e0 h\u00ecnh \u1ea3nh qua c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng v\u00e0 bi\u1ec3n l\u1edbn tr\u00ean to\u00e0n c\u1ea7u. C\u00e1p quang bi\u1ec3n l\u00e0 m\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng to\u00e0n c\u1ea7u. N\u00f3 \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c qu\u1ed1c gia v\u00e0 l\u1ee5c \u0111\u1ecba v\u1edbi nhau, \u0111\u1ea3m b\u1ea3o s\u1ef1 li\u00ean l\u1ea1c hi\u1ec7u qu\u1ea3 v\u00e0 li\u00ean t\u1ee5c trong th\u1eddi \u0111\u1ea1i s\u1ed1 ng\u00e0y nay.<\/span><\/p>\n

V\u00e0 c\u00f3 r\u1ea5t nhi\u1ec1u b\u1ea1n th\u1eafc m\u1eafc r\u1eb1ng c\u00e1p quang truy\u1ec1n d\u1eef li\u1ec7u nh\u01b0 th\u1ebf n\u00e0o? \u0110\u00e1p \u00e1n d\u00e0nh cho b\u1ea1n l\u00e0 n\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u th\u00f4ng qua \u00e1nh s\u00e1ng. Th\u00f4ng th\u01b0\u1eddng, \u0111\u01b0\u1eddng c\u00e1p quang bi\u1ec3n s\u1ebd c\u00f3 b\u00e1n k\u00ednh l\u00e0 7cm v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng t\u1ea7m 10kg\/m.\u00a0<\/span><\/p>\n

\"dut-cap-quang-1\"<\/p>\n

Qu\u00e1 tr\u00ecnh tri\u1ec3n khai c\u00e1p quang bi\u1ec3n th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi s\u1ef1 h\u1ee3p t\u00e1c gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 vi\u1ec5n th\u00f4ng, c\u00e1c c\u00f4ng ty \u0111\u1ea7u t\u01b0 v\u00e0 c\u00e1c t\u1ed5 ch\u1ee9c qu\u1ed1c t\u1ebf. Vi\u1ec7c x\u00e2y d\u1ef1ng v\u00e0 duy tr\u00ec h\u1ec7 th\u1ed1ng c\u00e1p quang bi\u1ec3n \u0111\u00f2i h\u1ecfi m\u1ed9t quy tr\u00ecnh ph\u1ee9c t\u1ea1p, t\u1eeb vi\u1ec7c \u0111o l\u01b0\u1eddng v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch, \u0111\u1ebfn vi\u1ec7c c\u1ea3i thi\u1ec7n c\u00f4ng ngh\u1ec7 v\u00e0 qu\u1ea3n l\u00fd r\u1ee7i ro.<\/span><\/p>\n

M\u1ea1ng l\u01b0\u1edbi c\u00e1p quang bi\u1ec3n tr\u1ea3i d\u00e0i kh\u1eafp c\u00e1c tuy\u1ebfn bi\u1ec3n tr\u00ean th\u1ebf gi\u1edbi, k\u1ebft n\u1ed1i c\u00e1c trung t\u00e2m th\u00f4ng tin l\u1edbn. S\u1ef1 ph\u00e1t tri\u1ec3n li\u00ean t\u1ee5c c\u1ee7a c\u00f4ng ngh\u1ec7 c\u00e1p quang bi\u1ec3n \u0111\u00e3 l\u00e0m t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng truy c\u1eadp internet, t\u0103ng c\u01b0\u1eddng giao ti\u1ebfp to\u00e0n c\u1ea7u, c\u0169ng nh\u01b0 th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n kinh t\u1ebf v\u00e0 x\u00e3 h\u1ed9i.<\/span><\/p>\n

C\u1ea5u tr\u00fac c\u1ee7a c\u00e1p quang bi\u1ec3n nh\u01b0 th\u1ebf n\u00e0o? C\u00f3 d\u1ec5 \u0111\u1ee9t c\u00e1p quang kh\u00f4ng?<\/b><\/h2>\n

\u0110\u1ec3 h\u1ea1n ch\u1ebf t\u1ed1i \u0111a t\u00ecnh tr\u1ea1ng \u0111\u1ee9t \u0111\u01b0\u1eddng c\u00e1p quang, h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng truy\u1ec1n bi\u1ec3n n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ea7u t\u01b0 v\u1edbi kinh ph\u00ed c\u1ef1c k\u1ef3 l\u1edbn. N\u00f3 nh\u1eb1m m\u1ee5c \u0111\u00edch x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng b\u1ec1n v\u1eefng v\u00e0 c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i an to\u00e0n b\u00ean d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n. Theo \u0111\u00f3, m\u1ed7i chi ti\u1ebft c\u1ee7a c\u1ea5u tr\u00fac c\u00e1p quang bi\u1ec3n \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n v\u00e0 ch\u1ecdn l\u1ef1a m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i tr\u1ecdng v\u00e0 duy tr\u00ec \u1ed5n \u0111\u1ecbnh. V\u00e0 sau \u0111\u00e2y, Ho\u00e0ng H\u00e0 Mobile s\u1ebd ph\u00e2n t\u00e1ch cho b\u1ea1n th\u1ea5y t\u1eebng ph\u1ea7n c\u1ea5u tr\u00fac ch\u00ednh c\u1ee7a c\u00e1p quang bi\u1ec3n t\u1eeb trong ra ngo\u00e0i nh\u00e9.<\/span><\/p>\n

Nh\u00e2n c\u00e1p<\/b><\/h3>\n

\u0110\u1ea7u ti\u00ean, nh\u00e2n c\u00e1p l\u00e0 trung t\u00e2m c\u1ee7a c\u00e1p, n\u01a1i m\u00e0 c\u00e1c t\u00edn hi\u1ec7u quang \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i. N\u00f3 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u1ee7y tinh quang h\u1ecdc ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u polymer c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn d\u00f2ng \u0111i\u1ec7n. \u0110\u1ed9 d\u00e0y v\u00e0 ch\u1ea5t li\u1ec7u c\u1ee7a nh\u00e2n c\u00e1p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 b\u1ea3o v\u1ec7 cho t\u00edn hi\u1ec7u truy\u1ec1n \u0111i v\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 m\u1ea5t m\u00e1t th\u00f4ng tin.<\/span><\/p>\n

\"dut-cap-quang-2\"<\/p>\n

V\u1ecf b\u1ecdc<\/b><\/h3>\n

Ti\u1ebfp \u0111\u1ebfn l\u00e0 v\u1ecf b\u1ecdc bao quanh nh\u00e2n c\u00e1p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ph\u1ea3n x\u1ea1 c\u1ee7a t\u00edn hi\u1ec7u quang v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 r\u00f2 r\u1ec9 t\u00edn hi\u1ec7u ra ngo\u00e0i. Th\u00f4ng th\u01b0\u1eddng, v\u1ecf b\u1ecdc \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 th\u1ea5p h\u01a1n so v\u1edbi nh\u00e2n c\u00e1p. Ch\u01b0a k\u1ec3 \u0111\u1ebfn, v\u1ecf b\u1ecdc c\u0169ng gi\u00fap b\u1ea3o v\u1ec7 nh\u00e2n c\u00e1p kh\u1ecfi c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 \u00e1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9 v\u00e0 s\u1ef1 t\u00e1c \u0111\u1ed9ng t\u1eeb c\u00e1c sinh v\u1eadt bi\u1ec3n.<\/span><\/p>\n

\"dut-cap-quang-3\"<\/p>\n

L\u1edbp b\u1ea3o v\u1ec7<\/b><\/h3>\n

Ch\u1eafc ch\u1eafn m\u1ed9t \u0111i\u1ec1u r\u1eb1ng, \u0111\u1ec3 h\u1ea1n ch\u1ebf t\u00ecnh tr\u1ea1ng b\u1ecb <\/span>\u0111\u1ee9t c\u00e1p quang bi\u1ec3n<\/b>, h\u1ec7 th\u1ed1ng c\u00e1p ng\u1ea7m \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c qua r\u1ea5t nhi\u1ec1u l\u1edbn. V\u00e0 \u0111\u00fang nh\u01b0 t\u00ean g\u1ecdi, l\u1edbp b\u1ea3o v\u1ec7 l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a c\u1ea5u tr\u00fac c\u00e1p, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i tr\u1ecdng. Ch\u1ea5t li\u1ec7u c\u1ee7a l\u1edbp b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb s\u1ee3i th\u00e9p ho\u1eb7c s\u1ee3i aramid. L\u1edbp b\u1ea3o v\u1ec7 n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1p kh\u00f4ng b\u1ecb g\u00e3y ho\u1eb7c b\u1ecb bi\u1ebfn d\u1ea1ng trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai v\u00e0 v\u1eadn h\u00e0nh.<\/span><\/p>\n

\"dut-cap-quang-4\"<\/p>\n

V\u1ecf ngo\u00e0i<\/b><\/h3>\n

V\u1ecf ngo\u00e0i l\u00e0 l\u1edbp cu\u1ed1i c\u00f9ng c\u1ee7a c\u00e1p quang bi\u1ec3n, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 to\u00e0n b\u1ed9 c\u1ea5u tr\u00fac c\u1ee7a c\u00e1p kh\u1ecfi c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i nh\u01b0 s\u00f3ng bi\u1ec3n, m\u00f4i tr\u01b0\u1eddng h\u00f3a h\u1ecdc v\u00e0 t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc. V\u00e0 n\u1ebfu mu\u1ed1n c\u00e1p quang \u0111\u01b0\u1ee3c ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t th\u00ec v\u1ecf ngo\u00e0i ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf si\u00eau b\u1ec1n. C\u1ee5 th\u1ec3 th\u00ec v\u1ecf ngo\u00e0i \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 cao su ho\u1eb7c polymer c\u1ee9ng.<\/span><\/p>\n

\"dut-cap-quang-5\"<\/p>\n

Th\u00eam v\u00e0o \u0111\u00f3, m\u1eb7c d\u00f9 c\u00e1p quang bi\u1ec3n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t, c\u0169ng nh\u01b0 n\u1ed3ng \u0111\u1ed9 mu\u1ed1i cao. Nh\u01b0ng n\u00f3 l\u1ea1i kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 \u00e2m 80 \u0111\u1ed9 C. Ch\u00ednh v\u00ec th\u1ebf, \u0111\u1ebfn th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i v\u1eabn ch\u01b0a c\u00f3 \u0111\u01b0\u1eddng c\u00e1p quang n\u00e0o k\u1ebft n\u1ed1i v\u1edbi khu v\u1ef1c Nam C\u1ef1c.<\/span><\/p>\n

C\u00e1p quang bi\u1ec3n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? \u0110\u1ee9t c\u00e1p quang c\u00f3 r\u1ee7i ro g\u00ec?<\/b><\/h2>\n

Hi\u1ec7n t\u01b0\u1ee3ng<\/span> \u0111\u1ee9t c\u00e1p quang <\/b>kh\u00f4ng ph\u1ea3i l\u00e0 chuy\u1ec7n hi\u1ebfm g\u1eb7p. C\u00f3 th\u1ec3 n\u00f3i, l\u00fd do c\u1ee7a v\u1ea5n \u0111\u1ec1 n\u00e0y l\u00e0 v\u00ec r\u1ea5t nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau. N\u1ebfu b\u1ea1n mu\u1ed1n bi\u1ebft chi ti\u1ebft th\u00f4ng tin th\u00ec \u0111\u1eebng b\u1ecf qua n\u1ed9i dung th\u00fa v\u1ecb v\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1p quang bi\u1ec3n nh\u00e9.<\/span><\/p>\n

Truy\u1ec1n t\u00edn hi\u1ec7u quang h\u1ecdc<\/b><\/h3>\n

Theo th\u00f4ng tin ph\u1ea7n kh\u00e1i ni\u1ec7m th\u00ec ch\u00fang ta \u0111\u00e3 bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1p quang truy\u1ec1n t\u00edn hi\u1ec7u b\u1eb1ng \u00e1nh s\u00e1ng. Nh\u01b0ng \u00e1nh s\u00e1ng \u1edf \u0111\u00e2y l\u00e0 thu\u1ed9c d\u1ea1ng do m\u1ed9t diode ph\u00e1t s\u00e1ng (LED) ho\u1eb7c laser truy\u1ec1n v\u00e0o. \u0110\u1ed3ng th\u1eddi, \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u truy\u1ec1n th\u00f4ng tin s\u1ebd n\u1eb1m d\u01b0\u1edbi d\u1ea1ng\u00a0 t\u00edn hi\u1ec7u quang \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1ea1i c\u00e1c tr\u1ea1m g\u1ed1c hay c\u00e1c tr\u1ea1m chuy\u1ec3n ti\u1ebfp tr\u00ean b\u1edd bi\u1ec3n. T\u00edn hi\u1ec7u n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n v\u00e0o nh\u00e2n c\u00e1p c\u1ee7a c\u00e1p quang bi\u1ec3n th\u00f4ng qua c\u00e1c thi\u1ebft b\u1ecb g\u1eedi t\u00edn hi\u1ec7u. Ti\u1ebfp t\u1ee5c, t\u00edn hi\u1ec7u quang s\u1ebd lan truy\u1ec1n qua nh\u00e2n c\u00e1p. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u m\u00e0 \u0111\u1ea7u cu\u1ed1i s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c.<\/span><\/p>\n

\"dut-cap-quang-6\"<\/p>\n

Truy\u1ec1n d\u1eabn qua \u0111\u1ea1i d\u01b0\u01a1ng<\/b><\/h3>\n

Khi t\u00edn hi\u1ec7u quang \u0111i qua nh\u00e2n c\u00e1p, n\u00f3 s\u1ebd ti\u1ebfp t\u1ee5c lan truy\u1ec1n qua v\u1ecf b\u1ecdc v\u00e0 l\u1edbp b\u1ea3o v\u1ec7 c\u1ee7a c\u00e1p quang bi\u1ec3n. V\u1edbi c\u1ea5u t\u1ea1o c\u1ee7a v\u1ecf b\u1ecdc v\u00e0 l\u1edbp b\u1ea3o v\u1ec7 th\u00ec c\u00e1c t\u00edn hi\u1ec7u s\u1ebd v\u01b0\u1ee3t ra m\u1ecdi r\u00e0o c\u1ea3n c\u1ee7a m\u00f4i tr\u01b0\u1eddng m\u1ed9t c\u00e1ch nhanh ch\u00f3ng. Trong tr\u01b0\u1eddng h\u1ee3p x\u1ea5u, n\u1ebfu <\/span>\u0111\u1ee9t c\u00e1p quang<\/b> x\u1ea3y ra th\u00ec ch\u1eafc ch\u1eafn c\u00e1c t\u00edn hi\u1ec7u s\u1ebd b\u1ecb \u0111\u1ee9t ngh\u1ebdn v\u00e0 c\u1ea7n kh\u1eafc ph\u1ee5c k\u1ecbp th\u1eddi.<\/span><\/p>\n

\"dut-cap-quang-7\"<\/p>\n

Thu nh\u1eadn v\u00e0 x\u1eed l\u00fd t\u00edn hi\u1ec7u<\/b><\/h3>\n

\u0110\u1ebfn giai \u0111o\u1ea1n th\u1ee9 ba n\u00e0y, t\u1ea1i c\u00e1c tr\u1ea1m \u0111\u00edch tr\u00ean b\u1edd bi\u1ec3n ho\u1eb7c t\u1ea1i c\u00e1c tr\u1ea1m trung gian, t\u00edn hi\u1ec7u quang \u0111\u01b0\u1ee3c thu nh\u1eadn t\u1eeb c\u00e1p quang bi\u1ec3n th\u00f4ng qua c\u00e1c thi\u1ebft b\u1ecb nh\u1eadn t\u00edn hi\u1ec7u. T\u00edn hi\u1ec7u sau \u0111\u00f3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh d\u1ea1ng d\u1eef li\u1ec7u s\u1ed1 nh\u1edd c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ec9nh t\u00edn hi\u1ec7u.<\/span><\/p>\n

\"dut-cap-quang-8\"<\/p>\n

G\u1eedi d\u1eef li\u1ec7u t\u1edbi \u0111i\u1ec3m \u0111\u00edch<\/b><\/h3>\n

B\u01b0\u1edbc cu\u1ed1i c\u00f9ng trong c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1p quang bi\u1ec3n l\u00e0 d\u1eef li\u1ec7u s\u1ed1 sau khi \u0111\u01b0\u1ee3c x\u1eed l\u00fd s\u1ebd \u0111\u01b0\u1ee3c g\u1eedi \u0111i t\u1edbi c\u00e1c \u0111i\u1ec3m \u0111\u00edch cu\u1ed1i c\u00f9ng. Ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u, m\u00e1y ch\u1ee7 m\u1ea1ng, ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i internet kh\u00e1c. Song song \u0111\u00f3, d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n qua m\u1ea1ng l\u01b0\u1edbi c\u00e1p quang c\u1ee5c b\u1ed9 ho\u1eb7c c\u00e1c m\u1ea1ng l\u01b0\u1edbi truy c\u1eadp internet l\u1edbn. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc cu\u1ed1i c\u00f9ng nh\u01b0ng n\u1ebfu m\u1ecdi ng\u01b0\u1eddi nh\u1eadn d\u1eef li\u1ec7u kh\u00f4ng \u1ed5n \u0111\u1ecbnh m\u1ed9t c\u00e1ch \u0111\u1ed3ng lo\u1ea1t th\u00ec c\u00f3 th\u1ec3 nguy\u00ean nh\u00e2n s\u1ebd n\u1eb1m \u1edf vi\u1ec7c b\u1ecb <\/span>\u0111\u1ee9t c\u00e1p quang bi\u1ec3n<\/b> v\u00e0 d\u1eabn \u0111\u1ebfn \u0111\u01b0\u1eddng truy\u1ec1n g\u1eb7p s\u1ef1 c\u1ed1.<\/span><\/p>\n

\"dut-cap-quang-9\"<\/b><\/p>\n

\u01afu \u0111i\u1ec3m c\u1ee7a c\u00e1p quang bi\u1ec3n l\u00e0 g\u00ec?<\/b><\/h2>\n

C\u00e1p quang bi\u1ec3n c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m quan tr\u1ecdng, \u0111\u00f3 l\u00e0 l\u00fd do v\u00ec sao n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00e0 coi l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 nh\u1ea5t hi\u1ec7n nay. V\u00e0 d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a c\u00e1p quang bi\u1ec3n m\u00e0 b\u1ea1n n\u00ean bi\u1ebft.<\/span><\/p>\n

B\u0103ng th\u00f4ng l\u1edbn<\/b><\/h3>\n

Kh\u1ea3 n\u0103ng b\u0103ng th\u00f4ng l\u1edbn c\u1ee7a c\u00e1p quang bi\u1ec3n kh\u00f4ng ch\u1ec9 cho ph\u00e9p truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 cao m\u00e0 c\u00f2n m\u1edf ra nhi\u1ec1u kh\u1ea3 n\u0103ng m\u1edbi cho c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn. T\u1eeb vi\u1ec7c truy\u1ec1n d\u1eabn video ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng tr\u1ef1c tuy\u1ebfn y\u00eau c\u1ea7u b\u0103ng th\u00f4ng l\u1edbn nh\u01b0 tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn \u0111a ng\u01b0\u1eddi ch\u01a1i. T\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch m\u1ea1nh m\u1ebd v\u00e0 hi\u1ec7u qu\u1ea3 th\u00f4ng qua h\u1ea1 t\u1ea7ng c\u00e1p quang bi\u1ec3n.<\/span><\/p>\n

\"dut-cap-quang-10\"<\/p>\n

T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eabn cao<\/b><\/h3>\n

T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eabn cao c\u1ee7a c\u00e1p quang bi\u1ec3n \u0111\u01b0\u1ee3c \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1edd s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a nhi\u1ec1u y\u1ebfu t\u1ed1 c\u00f4ng ngh\u1ec7 v\u00e0 v\u1eadt l\u00fd. V\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t l\u00e0 d\u1ef1a v\u00e0o \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 cao. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng gi\u00fap \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0111\u00e1p \u1ee9ng nhanh ch\u00f3ng v\u00e0 li\u00ean t\u1ee5c cho nhu c\u1ea7u truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u ng\u00e0y c\u00e0ng t\u0103ng trong th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt s\u1ed1 ng\u00e0y nay. Tuy nhi\u00ean, ch\u00fang ta v\u1eabn r\u1ea5t kh\u00f3 tr\u00e1nh kh\u1ecfi \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng <\/span>\u0111\u1ee9t c\u00e1p quang bi\u1ec3n<\/b> v\u00e0 l\u00e0m cho t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eabn b\u1ecb ch\u1eadm h\u01a1n so v\u1edbi b\u00ecnh th\u01b0\u1eddng.<\/span><\/p>\n

\"dut-cap-quang-11\"<\/p>\n

Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn xa<\/b><\/h3>\n

Cu\u1ed9c s\u1ed1ng con ng\u01b0\u1eddi ng\u00e0y c\u00e0ng hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong qu\u00e1 tr\u00ecnh giao ti\u1ebfp kh\u00f4ng c\u00f2n ph\u1ea3i ph\u1ee5 thu\u1ed9c v\u00e0o nh\u1eefng \u201cl\u00e1 th\u01b0\u201d. Thay v\u00e0o \u0111\u00f3, nh\u1edd v\u00e0o \u0111\u01b0\u1eddng c\u00e1p m\u1ea1ng m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 li\u00ean l\u1ea1c v\u1edbi b\u1ea1n b\u00e8 tr\u00ean to\u00e0n c\u1ea7u. Nh\u01b0 v\u1eady, con ng\u01b0\u1eddi s\u1ebd \u0111\u01b0\u1ee3c s\u1ed1ng trong m\u00f4i tr\u01b0\u1eddng hi\u1ec7n \u0111\u1ea1i v\u00e0 linh ho\u1ea1t. M\u1ecdi h\u00ecnh th\u1ee9c giao ti\u1ebfp v\u00e0 tra c\u1ee9u th\u00f4ng tin \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a nh\u1edd v\u00e0o Internet \u0111\u01b0\u1ee3c ph\u00e1t t\u1eeb \u0111\u01b0\u1eddng c\u00e1p quang bi\u1ec3n.<\/span><\/p>\n

\"dut-cap-quang-12\"<\/p>\n

Th\u1ef1c tr\u1ea1ng c\u00e1c tuy\u1ebfn c\u00e1p quang bi\u1ec3n t\u1ea1i Vi\u1ec7t Nam hi\u1ec7n nay<\/b><\/h2>\n

N\u01b0\u1edbc ta ng\u00e0y c\u00e0ng ch\u00fa tr\u1ecdng \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 vi\u1ec5n th\u00f4ng v\u00e0 k\u1ebft n\u1ed1i to\u00e0n c\u1ea7u. Ri\u00eang v\u1ec1 \u0111\u01b0\u1eddng c\u00e1p quang bi\u1ec3n qu\u1ed1c t\u1ebf th\u00ec Vi\u1ec7t Nam \u0111ang c\u00f3 5 tuy\u1ebfn. \u0110\u00f3 l\u00e0 SMW3, AAG, IA, APG v\u00e0 AAE-1. V\u00e0 trong c\u00e1c tuy\u1ebfn c\u00e1p quang \u0111ang \u0111\u01b0\u1ee3c khai th\u00e1c th\u00ec ch\u1ec9 c\u00f3 SMW3 l\u00e0 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c 100% dung l\u01b0\u1ee3ng. C\u00f2n 4 \u0111\u01b0\u1eddng c\u00e1p hi\u1ec7n t\u1ea1i th\u00ec v\u1eabn \u0111ang trong qu\u00e1 tr\u00ecnh \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn nh\u1eb1m cung c\u1ea5p ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1eddng truy\u1ec1n t\u1ed1t nh\u1ea5t.<\/span><\/p>\n

\"dut-cap-quang-13\"<\/p>\n

\u0110\u1eb7c bi\u1ec7t, trong n\u0103m 2023 c\u00f3 s\u1ef1 x<\/span>u\u1ea5t hi\u1ec7n th\u00eam \u0111\u01b0\u1eddng c\u00e1p SJC2. SJC2 l\u00e0 h\u1ec7 th\u1ed1ng c\u00e1p m\u1edbi \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u1edbi t\u1ed5ng chi\u1ec1u d\u00e0i l\u00ean \u0111\u1ebfn 10.500km. \u0110\u00e2y l\u00e0 tuy\u1ebfn c\u00e1p quang thu\u1ed9c quy\u1ec1n qu\u1ea3n l\u00fd c\u1ee7a T\u1eadp \u0111o\u00e0n B\u01b0u ch\u00ednh Vi\u1ec5n th\u00f4ng Vi\u1ec7t Nam (VNPT). Theo \u0111\u00f3, \u0111\u01b0\u1eddng c\u00e1p SJC2 c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u1edbi c\u00e1c khu v\u1ef1c ch\u00e2u \u00c1 – Th\u00e1i B\u00ecnh D\u01b0\u01a1ng v\u00e0 \u0111i\u1ec3m c\u1eadp b\u1edd \u1edf Vi\u1ec7t Nam l\u00e0 TP. Quy Nh\u01a1n.<\/span><\/p>\n

Ngo\u00e0i ra, Viettel c\u0169ng ph\u00e1t tri\u1ec3n th\u00eam m\u1ed9t \u0111\u01b0\u1eddng c\u00e1p m\u1edbi v\u00e0 d\u1ef1 ki\u1ebfn cho v\u00e0o ho\u1ea1t \u0111\u1ed9ng t\u1eeb \u0111\u1ea7u n\u0103m 2024, \u0111\u00f3 ch\u00ednh l\u00e0 c\u00e1p quang bi\u1ec3n qu\u1ed1c t\u1ebf ADC. \u0110\u00e2y l\u00e0 \u0111\u01b0\u1eddng c\u00e1p l\u1edbn th\u1ee9 5 c\u1ee7a Viettel nh\u1eb1m m\u1ee5c \u0111\u00edch \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh m\u1ea1ng v\u00e0 h\u1ea1n ch\u1ebf t\u00ecnh tr\u1ea1ng <\/span>\u0111\u1ee9t c\u00e1p quang<\/b>, c\u0169ng nh\u01b0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m c\u1ee7a kh\u00e1ch h\u00e0ng. \u0110\u01b0\u1ee3c bi\u1ebft, c\u00e1p ADC c\u00f3 chi\u1ec1u d\u00e0i l\u00e0 9.800km v\u1edbi t\u1ed5ng m\u1ee9c \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u l\u00e0 290 tri\u1ec7u USD.\u00a0<\/span><\/p>\n

K\u1ebft lu\u1eadn<\/b><\/h2>\n

\u1ede th\u1eddi \u0111i\u1ec3m m\u00e0 con ng\u01b0\u1eddi ng\u00e0y c\u00e0ng ti\u1ebfn g\u1ea7n h\u01a1n v\u1edbi th\u1eddi \u0111\u1ea1i s\u1ed1 5.0. V\u1ea5n \u0111\u1ec1 <\/span>\u0111\u1ee9t c\u00e1p quang<\/b> kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt \u0111\u01a1n thu\u1ea7n. N\u00f3 c\u00f2n c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng h\u1eadu qu\u1ea3 \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi kinh t\u1ebf v\u00e0 x\u00e3 h\u1ed9i. V\u00ec v\u1eady, vi\u1ec7c \u0111\u1ea7u t\u01b0 v\u00e0 duy tr\u00ec h\u1ea1 t\u1ea7ng c\u00e1p quang bi\u1ec3n c\u0169ng nh\u01b0 vi\u1ec7c th\u00fac \u0111\u1ea9y h\u1ee3p t\u00e1c qu\u1ed1c t\u1ebf l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u tr\u00ean to\u00e0n c\u1ea7u.<\/span><\/p>\n

Xem th\u00eam:<\/b><\/p>\n