{"id":18311,"date":"2020-10-24T04:38:16","date_gmt":"2020-10-24T04:38:16","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=18311"},"modified":"2025-02-14T16:09:15","modified_gmt":"2025-02-14T09:09:15","slug":"diode-thu-quang-la-gi","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=18311","title":{"rendered":"T\u1ed5ng h\u1ee3p \u0111\u1ea7y \u0111\u1ee7 ki\u1ebfn th\u1ee9c v\u1ec1 diode thu quang"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng H\u1ecdc vi\u1ec7n iT.vn t\u00ecm hi\u1ec3u <strong>Diode thu quang l\u00e0 g\u00ec?<\/strong> \u0110\u1eb7c tr\u01b0ng, c\u1ea5u t\u1ea1o, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 nh\u1eefng ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a diode thu quang.<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 16px;\">T\u00ecm hi\u1ec3u th\u00eam:\u00a0<a href=\"https:\/\/hocvienit.vn\/tong-hop-kien-thuc-ve-diode\/\" target=\"_blank\" rel=\"noopener\">T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c v\u1ec1 Diode &#8211; \u0110i\u1ec7n t\u1eed c\u01a1 b\u1ea3n<\/a><\/span><\/p>\n<figure id=\"attachment_18312\" aria-describedby=\"caption-attachment-18312\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18312 size-full\" title=\"T\u1ed5ng h\u1ee3p \u0111\u1ea7y \u0111\u1ee7 ki\u1ebfn th\u1ee9c v\u1ec1 diode thu quang\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/tong-hop-day-du-kien-thuc-ve-diode-thu-quang.jpg\" alt=\"T\u1ed5ng h\u1ee3p \u0111\u1ea7y \u0111\u1ee7 ki\u1ebfn th\u1ee9c v\u1ec1 diode thu quang\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/tong-hop-day-du-kien-thuc-ve-diode-thu-quang.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/tong-hop-day-du-kien-thuc-ve-diode-thu-quang-510x272.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/tong-hop-day-du-kien-thuc-ve-diode-thu-quang-300x160.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-18312\" class=\"wp-caption-text\"><span style=\"font-size: 16px; color: #333333;\">T\u1ed5ng h\u1ee3p \u0111\u1ea7y \u0111\u1ee7 ki\u1ebfn th\u1ee9c v\u1ec1 diode thu quang<\/span><\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>Diode thu quang l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Diode thu quang (Hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0110i\u1ed1t quang ho\u1eb7c Photodiode) l\u00e0 lo\u1ea1i diode s\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng quang \u0111i\u1ec7n \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i photon th\u00e0nh \u0111i\u1ec7n t\u00edch.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Tr\u00ean th\u1ef1c t\u1ebf, diode thu quang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c k\u1ef9 thu\u1eadt \u0111i\u1ec7n t\u1eed, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111o \u0111\u1ea1c, truy\u1ec1n d\u1eabn th\u00f4ng tin, gi\u00e1m s\u00e1t v\u00e0 \u0111i\u1ec1u khi\u1ec3n\u2026 Vai tr\u00f2 ch\u1ee7 y\u1ebfu c\u1ee7a ch\u00fang l\u00e0 c\u1ea3m bi\u1ebfn m\u1ed9t tr\u1ea1ng th\u00e1i n\u00e0o \u0111\u00f3. V\u00ed d\u1ee5 nh\u01b0 nh\u1eadn bi\u1ebft khi n\u00e0o gi\u1ea5y trong m\u1ed9t khay m\u00e1y in h\u1ebft.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>\u0110\u1eb7c tr\u01b0ng c\u1ee7a diode thu quang<\/strong><\/span><\/h2>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\"><strong>Hi\u1ec7u su\u1ea5t:<\/strong> Hi\u1ec7u su\u1ea5t c\u1ee7a diode thu quang l\u00e0 t\u1ef7 s\u1ed1 c\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n t\u1ea1o ra v\u1edbi quang th\u00f4ng (A\/W).\u00a0 \u0110\u00e1p tuy\u1ebfn ph\u1ed5 chi ti\u1ebft ph\u1ea3n \u00e1nh \u1edf hi\u1ec7u su\u1ea5t l\u01b0\u1ee3ng t\u1eed c\u1ee7a photodiode cho t\u1eebng b\u01b0\u1edbc s\u00f3ng photon v\u00e0 n\u00f3 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\"><strong>D\u00f2ng t\u1ed1i:<\/strong> D\u00f2ng t\u1ed1i ch\u1ec9 d\u00f2ng r\u00f2 c\u1ee7a diode n\u00f3i chung. \u0110\u1ed1i v\u1edbi diode thu quang l\u00e0 d\u00f2ng \u0111i\u1ec7n khi kh\u00f4ng c\u00f3 \u00e1nh s\u00e1ng chi\u1ebfu v\u00e0o.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\"><strong>\u0110\u00e1p \u1ee9ng th\u1eddi gian:<\/strong> \u0110\u00e1p \u1ee9ng th\u1eddi gian \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean quy t\u1eafc Ramo. N\u00f3 ph\u1ea3n \u00e1nh m\u1ee9c \u0111\u1ed9 d\u00f2ng quang \u0111i\u1ec7n b\u1eaft k\u1ecbp thay \u0111\u1ed5i c\u1ee7a quang th\u00f4ng.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_45263\" aria-describedby=\"caption-attachment-45263\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45263 size-full\" title=\"Diode thu quang\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/diode-thu-quang-la-gi-1.jpg\" alt=\"Diode thu quang\" width=\"750\" height=\"448\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/diode-thu-quang-la-gi-1.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/diode-thu-quang-la-gi-1-300x179.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/diode-thu-quang-la-gi-1-510x305.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45263\" class=\"wp-caption-text\">Diode thu quang<\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>C\u1ea5u t\u1ea1o c\u1ee7a diode thu quang<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Diode thu quang c\u1ea5u t\u1ea1o g\u1ed3m hai l\u1edbp b\u00e1n d\u1eabn kh\u00e1c lo\u1ea1i (P &#8211; N) gh\u00e9p v\u1edbi nhau (L\u1edbp b\u00e1n d\u1eabn lo\u1ea1i P m\u1ecfng h\u01a1n l\u1edbp b\u00e1n d\u1eabn lo\u1ea1i N) c\u00f2n lo\u1ea1i m\u1edbi h\u01a1n c\u00f3 c\u1ea5u tr\u00fac PIN. N\u00f3 \u0111\u01b0\u1ee3c c\u1ea5u th\u00e0nh t\u1eeb m\u1ed9t s\u1ed1 ch\u1ea5t b\u00e1n d\u1eabn v\u00e0 v\u00f9ng ph\u1ed5 \u00e1nh s\u00e1ng l\u00e0m vi\u1ec7c. Ph\u1ea1m vi \u00e1nh s\u00e1ng c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y l\u00e0 t\u1eeb 380 nm \u0111\u1ebfn 780 nm.\u00a0<\/span><\/p>\n<figure id=\"attachment_18313\" aria-describedby=\"caption-attachment-18313\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18313 size-full\" title=\"C\u1ea5u t\u1ea1o c\u1ee7a Photodiode\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/cau-tao-cua-photodiode.jpg\" alt=\"C\u1ea5u t\u1ea1o c\u1ee7a Photodiode\" width=\"750\" height=\"312\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/cau-tao-cua-photodiode.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/cau-tao-cua-photodiode-510x212.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/cau-tao-cua-photodiode-300x125.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-18313\" class=\"wp-caption-text\"><span style=\"font-size: 16px; color: #333333;\">C\u1ea5u t\u1ea1o c\u1ee7a Photodiode<\/span><\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a diode thu quang<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Diode thu quang l\u00e0m vi\u1ec7c d\u1ef1a v\u00e0o ti\u1ebfp gi\u00e1p P &#8211; N ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c. Ngu\u1ed3n ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c V<sub>0<\/sub> t\u1ea1o ra \u0111i\u1ec7n tr\u01b0\u1eddng ngo\u00e0i (E<sub>Ngo\u00e0i<\/sub>), c\u00f9ng chi\u1ec1u v\u1edbi E<sub>tx<\/sub> t\u1ea1o th\u00e0nh \u0111i\u1ec7n tr\u01b0\u1eddng t\u1ed5ng. \u0110i\u1ec7n tr\u01b0\u1eddng n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t h\u00e0ng r\u00e0o th\u1ebf c\u1ea3n tr\u1edf d\u00f2ng khu\u1ebfch t\u00e1n c\u1ee7a c\u00e1c h\u1ea1t mang \u0111i\u1ec7n. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c l\u1ed7 tr\u1ed1ng trong l\u1edbp b\u00e1n d\u1eabn lo\u1ea1i N v\u00e0 electron trong l\u1edbp b\u00e1n d\u1eabn lo\u1ea1i P d\u01b0\u1edbi t\u00e1c d\u1ee5ng t\u1eeb E<sub>Ngo\u00e0i<\/sub> s\u1ebd d\u1ec5 d\u00e0ng di chuy\u1ec3n \u0111\u01b0\u1ee3c qua l\u1edbp ti\u1ebfp x\u00fac v\u00e0 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n ng\u01b0\u1ee3c (G\u1ecdi l\u00e0 d\u00f2ng t\u1ed1i).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Sau khi \u0111\u01b0\u1ee3c ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c, ta chi\u1ebfu v\u00e0o photodiode m\u1ed9t lu\u1ed3ng s\u00e1ng c\u00f3 b\u01b0\u1edbc s\u00f3ng t\u1ef1 do (\u03bb) nh\u1ecf h\u01a1n b\u01b0\u1edbc s\u00f3ng c\u1eaft (\u03bb<sub>c<\/sub>),\u00a0E<sub>s<\/sub> l\u00e0 \u0111\u1ed9 r\u1ed9ng d\u1ea3i c\u1ea5m. Sau \u0111\u00f3, ch\u1ea5t b\u00e1n d\u1eabn s\u1ebd h\u1ea5p th\u1ee5 c\u00e1c photon. \u00c1nh s\u00e1ng chi\u1ebfu v\u00e0o diode \u0111i qua l\u1edbp b\u00e1n d\u1eabn P r\u1ea5t m\u1ecfng, qua v\u00f9ng ngh\u00e8o r\u1ed3i \u0111\u1ebfn b\u00e1n d\u1eabn lo\u1ea1i N. Trong qu\u00e1 tr\u00ecnh n\u00e0y do c\u00e1c h\u1ea1t photon b\u1ecb h\u1ea5p th\u1ee5 d\u1ea7n tr\u00ean su\u1ed1t chi\u1ec1u d\u1ecdc c\u1ee7a diode n\u00ean c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh c\u0169ng gi\u1ea3m theo.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">T\u1ea1i v\u00f9ng ngh\u00e8o c\u00e1c h\u1ea1t trung h\u00f2a s\u1ebd h\u1ea5p th\u1ee5 c\u00e1c photon. D\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c \u0111i\u1ec7n tr\u01b0\u1eddng ngo\u00e0i l\u1ed7 tr\u1ed1ng \u0111\u01b0\u1ee3c di chuy\u1ec3n sang b\u00ean l\u1edbp P c\u00f2n c\u00e1c electron \u0111\u01b0\u1ee3c di chuy\u1ec3n t\u1edbi l\u1edbp N. Ti\u1ebfp \u0111\u1ebfn, c\u00e1c electron \u0111i \u0111\u1ebfn \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng c\u1ee7a ngu\u1ed3n (M\u1ea1ch ngo\u00e0i) r\u1ed3i \u0111i qua c\u1ef1c \u00e2m v\u00e0o l\u1edbp b\u00e1n d\u1eabn P \u0111\u1ec3 t\u00e1i h\u1ee3p v\u1edbi c\u00e1c l\u1ed7 tr\u1ed1ng nh\u1eb1m duy tr\u00ec \u0111i\u1ec7n t\u00edch trung h\u00f2a. Nh\u01b0 v\u1eady nh\u1edd t\u00e1c d\u1ee5ng c\u1ee7a \u0111i\u1ec7n tr\u01b0\u1eddng ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c m\u00e0 ta \u0111\u00e3 t\u1ea1o ra \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n thu quang.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Trong qu\u00e1 tr\u00ecnh photon di chuy\u1ec3n \u1edf b\u00ean ngo\u00e0i v\u00f9ng ngh\u00e8o, c\u00e1c photon c\u0169ng b\u1ecb h\u1ea5p th\u1ee5 v\u00e0 t\u1ea1o ra c\u00e1c c\u1eb7p \u0111i\u1ec7n t\u1eed &#8211; l\u1ed7 tr\u1ed1ng. Tuy nhi\u00ean c\u00e1c l\u1ed7 tr\u1ed1ng trong l\u1edbp N v\u00e0 electron trong l\u1edbp P di chuy\u1ec3n r\u1ea5t ch\u1eadm do l\u1ef1c \u0111i\u1ec7n tr\u01b0\u1eddng y\u1ebfu, va ch\u1ea1m v\u00e0o c\u00e1c h\u1ea1t mang \u0111i\u1ec7n tr\u00e1i d\u1ea5u v\u00e0 t\u00e1i h\u1ee3p v\u1edbi nhau. V\u00ec th\u1ebf n\u00ean c\u00e1c h\u1ea1t mang \u0111i\u1ec7n n\u00e0y b\u1ecb lo\u1ea1i tr\u1eeb v\u00e0 th\u1eddi gian t\u1ed3n t\u1ea1i c\u1ee7a ch\u00fang r\u1ea5t ng\u1eafn.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Trong l\u1edbp b\u00e1n d\u1eabn g\u1ea7n v\u1edbi v\u00f9ng ngh\u00e8o v\u1eabn c\u00f3 c\u00e1c h\u1ea1t trung h\u00f2a v\u1ec1 \u0111i\u1ec7n, khi c\u00f3 \u00e1nh s\u00e1ng t\u1edbi c\u00e1c photon s\u1ebd cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c electron b\u1ee9t ra kh\u1ecfi nguy\u00ean t\u1eed \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c c\u1eb7p electron &#8211; l\u1ed7 tr\u1ed1ng. Sau \u0111\u00f3, c\u00e1c c\u1eb7p n\u00e0y \u0111\u01b0\u1ee3c khu\u1ebfch t\u00e1n qua v\u00f9ng ngh\u00e8o. D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec7n tr\u01b0\u1eddng ngo\u00e0i ch\u00fang t\u00e1ch ra v\u00e0 di chuy\u1ec3n \u0111\u1ebfn c\u00e1c c\u1ef1c c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n. B\u1edfi s\u1ed1 l\u01b0\u1ee3ng c\u00e1c h\u1ea1t mang \u0111i\u1ec7n \u1edf v\u00f9ng n\u00e0y kh\u00f4ng nhi\u1ec1u n\u00ean kh\u00f4ng \u1ea3nh h\u01b0\u1edfng qu\u00e1 l\u1edbn \u0111\u1ebfn \u0111\u00e1p \u1ee9ng chung c\u1ee7a diode. Tuy nhi\u00ean ch\u00fang d\u1eabn \u0111\u1ebfn c\u00e1c xung c\u1ee7a \u0111\u00e1p \u1ee9ng b\u1ecb k\u00e9o d\u00e0i \u1edf s\u01b0\u1eddn sau. V\u00ec v\u1eady n\u00ean khi s\u1eed d\u1ee5ng \u1edf c\u00e1c h\u1ec7 th\u1ed1ng t\u1ed1c \u0111\u1ed9 cao s\u1ebd g\u00e2y tr\u1ec5, giao thoa gi\u1eefa c\u00e1c k\u00fd hi\u1ec7u v\u00e0 t\u0103ng t\u1ef7 s\u1ed1 l\u1ed7i bit BER cho h\u1ec7 th\u1ed1ng.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>Ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a diode thu quang<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Diode thu quang c\u00f3 3 ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 sau:<\/span><\/p>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\"><strong>Ch\u1ebf \u0111\u1ed9 quang \u0111i\u1ec7n:<\/strong> Ch\u1ebf \u0111\u1ed9 l\u00e0m vi\u1ec7c kh\u00f4ng \u0111\u1eb7t thi\u00ean \u00e1p, \u00e1nh s\u00e1ng t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n v\u00e0 d\u00f2ng \u0111i\u1ec7n n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n. \u0110\u00e2y ch\u00ednh l\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a pin m\u1eb7t tr\u1eddi.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\"><strong>Ch\u1ebf \u0111\u1ed9 quang d\u1eabn:<\/strong> Ch\u1ebf \u0111\u1ed9 l\u00e0m vi\u1ec7c \u0111\u1eb7t thi\u00ean \u00e1p ng\u01b0\u1ee3c. T\u1eeb \u0111\u00f3 l\u00e0m m\u1edf r\u1ed9ng v\u00f9ng ngh\u00e8o, t\u0103ng ti\u1ebfng \u1ed3n, t\u0103ng d\u00f2ng r\u00f2 v\u00e0 l\u00e0m gi\u1ea3m \u0111i\u1ec7n dung ti\u1ebfp gi\u00e1p nh\u01b0ng kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn d\u00f2ng quang \u0111i\u1ec7n.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\"><strong>Ch\u1ebf \u0111\u1ed9 tuy\u1ebft l\u1edf:<\/strong> Ch\u1ebf \u0111\u1ed9 l\u00e0m vi\u1ec7c thi\u00ean ng\u01b0\u1ee3c \u0111\u1ee7 l\u1edbn. \u0110i\u1ec1u n\u00e0y l\u00e0m cho khi photon t\u1ea1o ra c\u1eb7p \u0111i\u1ec7n t\u1eed &#8211; l\u1ed7 tr\u1ed1ng th\u00ec s\u1ef1 t\u0103ng t\u1ed1c do \u0111i\u1ec7n tr\u01b0\u1eddng \u0111\u1ee7 m\u1ea1nh s\u1ebd k\u00edch th\u00edch s\u1ef1 t\u1ea1o c\u1eb7p kh\u00e1c theo ho\u1ea1t \u0111\u1ed9ng c\u1ee7a s\u1ef1 c\u1ed1 s\u1ea1t l\u1edf tuy\u1ebft. T\u00f3m l\u1ea1i, n\u00f3 l\u00e0m t\u0103ng \u0111\u1ed9 khu\u1ebfch \u0111\u1ea1i v\u00e0 \u0111\u1eb7c tr\u01b0ng \u0111\u00e1p \u1ee9ng v\u1edbi s\u1ef1 ki\u1ec7n.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Tr\u00ean \u0111\u00e2y l\u00e0 chia s\u1ebb c\u1ee7a H\u1ecdc vi\u1ec7n iT v\u1ec1 nh\u1eefng ki\u1ebfn th\u1ee9c v\u1ec1 diode thu quang. N\u1ebfu c\u00f3 b\u1ea5t c\u1ee9 th\u1eafc m\u1eafc n\u00e0o v\u1ec1 c\u00e1c ki\u1ebfn th\u1ee9c li\u00ean quan \u0111\u1ebfn m\u00e1y t\u00ednh th\u00ec b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn b\u00ean d\u01b0\u1edbi b\u00e0i vi\u1ebft n\u00e0y. V\u00e0 \u0111\u1eebng qu\u00ean \u0111\u00f3n \u0111\u1ecdc c\u00e1c b\u00e0i vi\u1ebft m\u1edbi nh\u1ea5t c\u1ee7a H\u1ecdc vi\u1ec7n iT nh\u00e9.<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 16px;\">C\u00e1c b\u00e0i vi\u1ebft li\u00ean quan:<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 16px;\"><a href=\"https:\/\/hocvienit.vn\/diode-chinh-luu-la-gi\/\" target=\"_blank\" rel=\"noopener\">Diode ch\u1ec9nh l\u01b0u l\u00e0 g\u00ec? T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c v\u1ec1 diode ch\u1ec9nh l\u01b0u<\/a><\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 16px;\"><a href=\"https:\/\/hocvienit.vn\/diode-zener-la-gi\/\" target=\"_blank\" rel=\"noopener\">Diode zener l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 diode zener<\/a><\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 16px;\"><a href=\"https:\/\/hocvienit.vn\/diode-phat-quang-la-gi\/\" target=\"_blank\" rel=\"noopener\">Diode ph\u00e1t quang l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u v\u1ec1 diode ph\u00e1t quang<\/a><\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 16px;\"><a href=\"https:\/\/hocvienit.vn\/diode-xung-la-gi\/\" target=\"_blank\" rel=\"noopener\">Diode xung l\u00e0 g\u00ec? \u1ee8ng d\u1ee5ng c\u1ee7a diode xung<\/a><\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 16px;\"><a href=\"https:\/\/hocvienit.vn\/diode-bien-dung-la-gi\/\" target=\"_blank\" rel=\"noopener\">Diode bi\u1ebfn dung l\u00e0 g\u00ec? Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a diode bi\u1ebfn dung<\/a><\/span><\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-size: 16px;\"><a href=\"https:\/\/hocvienit.vn\/diode-tiep-diem-la-gi\/\" target=\"_blank\" rel=\"noopener\">Diode ti\u1ebfp \u0111i\u1ec3m l\u00e0 g\u00ec? C\u1ea5u t\u1ea1o v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a diode ti\u1ebfp \u0111i\u1ec3m<\/a><\/span><\/p>\n<p style=\"text-align: left;\"><i>M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:<br \/>\n<\/i><strong>C\u00d4NG TY C\u1ed4 PH\u1ea6N H\u1eccC VI\u1ec6N IT<br \/>\n<\/strong><strong>MST: 0108733789<br \/>\n<\/strong><strong>Hotline: 0981 223 001<br \/>\n<\/strong><strong>Facebook:<\/strong>\u00a0<a href=\"http:\/\/www.fb.com\/hocvienit\" target=\"_blank\" rel=\"noopener\">www.fb.com\/hocvienit<\/a><br \/>\n<strong>\u0110\u0103ng k\u00fd k\u00eanh Youtube \u0111\u1ec3 theo d\u00f5i c\u00e1c b\u00e0i h\u1ecdc c\u1ee7a Hu\u1ea5n luy\u1ec7n vi\u00ean t\u1ed1t nh\u1ea5t:<\/strong>\u00a0<a href=\"http:\/\/bit.ly\/Youtube_HOCVIENiT\" target=\"_blank\" rel=\"noopener nofollow\">http:\/\/bit.ly\/Youtube_HOCVIENiT<\/a><br \/>\n<b>H\u1ec7 th\u1ed1ng c\u01a1 s\u1edf \u0111\u00e0o t\u1ea1o:\u00a0<\/b><a href=\"https:\/\/hocvienit.vn\/lien-he\/\" target=\"_blank\" rel=\"noopener\">https:\/\/hocvienit.vn\/lien-he\/<\/a><br \/>\n<strong><i>H\u1ecdc vi\u1ec7n IT.vn \u2013 Truy\u1ec1n ngh\u1ec1 th\u1ef1c t\u1ebf c\u00f9ng b\u1ea1n \u0111\u1ebfn th\u00e0nh c\u00f4ng!\u00a0<\/i><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng H\u1ecdc vi\u1ec7n iT.vn t\u00ecm hi\u1ec3u Diode thu quang l\u00e0 g\u00ec? \u0110\u1eb7c tr\u01b0ng, c\u1ea5u t\u1ea1o, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 nh\u1eefng ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a diode thu quang.<\/p>\n","protected":false},"author":95,"featured_media":18312,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[734],"tags":[248],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/18311"}],"collection":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/users\/95"}],"replies":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18311"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/18311\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/18312"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}