{"id":13932,"date":"2025-06-05T14:49:54","date_gmt":"2025-06-05T07:49:54","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=13932"},"modified":"2025-07-03T18:35:04","modified_gmt":"2025-07-03T11:35:04","slug":"anh-sang-xanh-la-gi-khai-niem-buoc-song-va-cong-thuc-tinh-tan-so","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/anh-sang-xanh-la-gi-khai-niem-buoc-song-va-cong-thuc-tinh-tan-so\/","title":{"rendered":"\u00c1nh s\u00e1ng xanh l\u00e0 g\u00ec? Kh\u00e1i ni\u1ec7m, b\u01b0\u1edbc s\u00f3ng v\u00e0 c\u00f4ng th\u1ee9c t\u00ednh t\u1ea7n s\u1ed1"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ckconitsha.com\/vn\/anh-sang-xanh-la-gi-khai-niem-buoc-song-va-cong-thuc-tinh-tan-so\/#Anh_sang_xanh_la_gi\" >\u00c1nh s\u00e1ng xanh l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ckconitsha.com\/vn\/anh-sang-xanh-la-gi-khai-niem-buoc-song-va-cong-thuc-tinh-tan-so\/#Vi_tri_cua_anh_sang_xanh_trong_quang_pho\" >V\u1ecb tr\u00ed c\u1ee7a \u00e1nh s\u00e1ng xanh trong quang ph\u1ed5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/anh-sang-xanh-la-gi-khai-niem-buoc-song-va-cong-thuc-tinh-tan-so\/#Buoc_song_cua_anh_sang_xanh\" >B\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng xanh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/anh-sang-xanh-la-gi-khai-niem-buoc-song-va-cong-thuc-tinh-tan-so\/#Tan_suat_anh_sang_xanh\" >T\u1ea7n su\u1ea5t \u00e1nh s\u00e1ng xanh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/anh-sang-xanh-la-gi-khai-niem-buoc-song-va-cong-thuc-tinh-tan-so\/#Nhung_tac_dong_co_hai_cua_anh_sang_xanh\" >Nh\u1eefng t\u00e1c \u0111\u1ed9ng c\u00f3 h\u1ea1i c\u1ee7a \u00e1nh s\u00e1ng xanh<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 \u00e1nh s\u00e1ng xanh, m\u1ed9t lo\u1ea1i \u00e1nh s\u00e1ng ph\u1ed5 bi\u1ebfn trong t\u1ef1 nhi\u00ean v\u00e0 ph\u00e1t ra t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. \u00c1nh s\u00e1ng xanh c\u00f3 n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n c\u00e1c lo\u1ea1i \u00e1nh s\u00e1ng kh\u00e1c trong d\u1ea3i \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y, v\u00ec v\u1eady n\u00f3 c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho m\u1eaft v\u00e0 s\u1ee9c kh\u1ecfe t\u1ed5ng th\u1ec3. Tham gia kh\u1ec9 \u0111\u1ec3 gi\u1ea3i m\u00e3 ki\u1ebfn \u200b\u200bth\u1ee9c v\u1eadt l\u00fd c\u1ee7a lo\u1ea1i \u00e1nh s\u00e1ng n\u00e0y ngay b\u00ean d\u01b0\u1edbi!<\/p>\n<p>                        Xem t\u1ea5t c\u1ea3<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Anh_sang_xanh_la_gi\"><\/span>\u00c1nh s\u00e1ng xanh l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ea7u ti\u00ean, ch\u00fang ta c\u1ea7n bi\u1ebft r\u1eb1ng \u00e1nh s\u00e1ng l\u00e0 m\u1ed9t d\u1ea1ng b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 s\u00f3ng h\u1ea1t di chuy\u1ec3n g\u1ecdi l\u00e0 photon. \u00c1nh s\u00e1ng c\u00f3 th\u1ec3 lan r\u1ed9ng trong ch\u00e2n kh\u00f4ng ho\u1eb7c trong m\u00f4i tr\u01b0\u1eddng r\u1eafn, ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed. C\u1ee5 th\u1ec3, \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y ho\u1eb7c khu v\u1ef1c c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y l\u00e0 m\u1ed9t lo\u1ea1i \u00e1nh s\u00e1ng c\u00f3 ph\u1ea1m vi b\u01b0\u1edbc s\u00f3ng t\u1eeb 380nm \u0111\u1ebfn 760nm <em>(B\u01b0\u1edbc s\u00f3ng l\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111\u1ec9nh li\u00ean ti\u1ebfp c\u1ee7a s\u00f3ng) <\/em>Nh\u01b0ng v\u1edbi con m\u1eaft tr\u1ea7n tr\u1ee5i, ch\u00fang ta v\u1eabn c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y.<\/p>\n<p dir=\"ltr\">V\u1eady, \u00e1nh s\u00e1ng xanh l\u00e0 g\u00ec? \u00c1nh s\u00e1ng xanh l\u00e0 m\u1ed9t lo\u1ea1i \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y v\u1edbi b\u01b0\u1edbc s\u00f3ng t\u1eeb 380nm \u0111\u1ebfn 500nm. \u0110\u1eb7c bi\u1ec7t, \u00e1nh s\u00e1ng xanh c\u00f3 b\u01b0\u1edbc s\u00f3ng ng\u1eafn h\u01a1n \u00e1nh s\u00e1ng \u0111\u1ecf v\u00e0 d\u00e0i h\u01a1n \u00e1nh s\u00e1ng m\u00e0u t\u00edm.<\/p>\n<p dir=\"ltr\">\u00c1nh s\u00e1ng xanh \u1edf \u0111\u00e2u? Blue Light xu\u1ea5t hi\u1ec7n trong hai ngu\u1ed3n ch\u00ednh, bao g\u1ed3m:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ngu\u1ed3n \u00e1nh s\u00e1ng t\u1ef1 nhi\u00ean: \u00c1nh s\u00e1ng xanh r\u1ea5t phong ph\u00fa trong \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi. \u00c1nh s\u00e1ng m\u1eb7t tr\u1eddi c\u00f3 kho\u1ea3ng b\u01b0\u1edbc s\u00f3ng t\u1eeb 380nm \u0111\u1ebfn 760nm, trong \u0111\u00f3 \u00e1nh s\u00e1ng m\u00e0u xanh chi\u1ebfm 3-5%.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ngu\u1ed3n \u00e1nh s\u00e1ng nh\u00e2n t\u1ea1o: \u00c1nh s\u00e1ng xanh c\u0169ng \u0111\u01b0\u1ee3c ph\u00e1t ra t\u1eeb m\u1ed9t s\u1ed1 ngu\u1ed3n \u00e1nh s\u00e1ng nh\u00e2n t\u1ea1o, bao g\u1ed3m:<\/p>\n<\/li>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f3 m\u00e0n h\u00ecnh, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh b\u1ea3ng, TV, &#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u00e8n LED, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u00e8n LED, \u0111\u00e8n LED trang tr\u00ed, &#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u00e8n hu\u1ef3nh quang, \u0111\u00e8n neon, &#8230;<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/1-anh-sang-xanh.png\" alt=\"\u00c1nh s\u00e1ng xanh. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Ph\u1ea7n ti\u1ebfp theo c\u1ee7a b\u00e0i vi\u1ebft n\u00e0y l\u00e0 ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 ph\u1ed5, b\u01b0\u1edbc s\u00f3ng v\u00e0 t\u1ea7n s\u1ed1 \u00e1nh s\u00e1ng. C\u1ee5 th\u1ec3, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c tr\u1ea3 l\u1eddi v\u1ec1 v\u1ecb tr\u00ed c\u1ee5 th\u1ec3 c\u1ee7a \u00e1nh s\u00e1ng xanh trong quang ph\u1ed5, c\u0169ng nh\u01b0 b\u01b0\u1edbc s\u00f3ng v\u00e0 t\u1ea7n s\u1ed1 c\u1ee7a lo\u1ea1i \u00e1nh s\u00e1ng n\u00e0y. H\u00e3y t\u00ecm ra th\u00f4ng tin th\u00fa v\u1ecb ngay b\u00ean d\u01b0\u1edbi!<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Vi_tri_cua_anh_sang_xanh_trong_quang_pho\"><\/span>V\u1ecb tr\u00ed c\u1ee7a \u00e1nh s\u00e1ng xanh trong quang ph\u1ed5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Ph\u1ed5 l\u00e0 g\u00ec? Ph\u1ed5 l\u00e0 m\u1ed9t d\u1ea3i m\u00e0u \u0111\u01b0\u1ee3c t\u1ea1o ra khi \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c t\u00e1ch th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a n\u00f3. Ph\u1ed5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng Prism, \u1ed1ng k\u00ednh ph\u00e2n k\u1ef3 ho\u1eb7c ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 m\u1ed9t s\u1ed1 m\u00e0u s\u1eafc c\u1ee7a \u00e1nh s\u00e1ng.<\/p>\n<p dir=\"ltr\">Ph\u1ed5 c\u00f3 nhi\u1ec1u \u00fd ngh\u0129a kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nghi\u00ean c\u1ee9u c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd. <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u00e0u s\u1eafc kh\u00e1c nhau.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">\u00c1nh s\u00e1ng m\u00e0u xanh n\u1eb1m trong khu v\u1ef1c \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y c\u1ee7a quang ph\u1ed5, gi\u1eefa \u00e1nh s\u00e1ng xanh v\u00e0 \u00e1nh s\u00e1ng m\u00e0u t\u00edm.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/02-anh-sang-xanh.png\" alt=\"V\u1ecb tr\u00ed c\u1ee7a \u00e1nh s\u00e1ng xanh trong quang ph\u1ed5. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Buoc_song_cua_anh_sang_xanh\"><\/span>B\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng xanh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">B\u01b0\u1edbc s\u00f3ng l\u00e0 g\u00ec? B\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng l\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111\u1ec9nh li\u00ean ti\u1ebfp c\u1ee7a s\u00f3ng \u00e1nh s\u00e1ng. N\u00f3 \u0111\u01b0\u1ee3c \u0111o trong \u0111\u01a1n v\u1ecb nanomet (nm), v\u1edbi 1 nanomet b\u1eb1ng 1 t\u1ef7 m\u00e9t.<\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u00e0u s\u1eafc c\u1ee7a \u00e1nh s\u00e1ng. B\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng ng\u1eafn h\u01a1n s\u1ebd c\u00f3 n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c xem l\u00e0 b\u01b0\u1edbc s\u00f3ng ng\u1eafn h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 \u00e1nh s\u00e1ng m\u00e0u t\u00edm v\u00e0 xanh. S\u00f3ng \u00e1nh s\u00e1ng v\u1edbi b\u01b0\u1edbc s\u00f3ng d\u00e0i h\u01a1n s\u1ebd c\u00f3 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c xem l\u00e0 m\u00e0u s\u1eafc c\u00f3 b\u01b0\u1edbc s\u00f3ng d\u00e0i h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 \u00e1nh s\u00e1ng \u0111\u1ecf v\u00e0 m\u00e0u cam.<\/p>\n<p dir=\"ltr\">\u00c1nh s\u00e1ng xanh bao nhi\u00eau? B\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng m\u00e0u xanh trong kho\u1ea3ng t\u1eeb 380nm \u0111\u1ebfn 500nm. \u00c1nh s\u00e1ng xanh c\u00f3 b\u01b0\u1edbc s\u00f3ng ng\u1eafn h\u01a1n \u00e1nh s\u00e1ng \u0111\u1ecf v\u00e0 d\u00e0i h\u01a1n \u00e1nh s\u00e1ng m\u00e0u t\u00edm.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/3-anh-sang-xanh.png\" alt=\"B\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng xanh. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tan_suat_anh_sang_xanh\"><\/span>T\u1ea7n su\u1ea5t \u00e1nh s\u00e1ng xanh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">T\u1ea7n s\u1ed1 \u00e1nh s\u00e1ng l\u00e0 g\u00ec? T\u1ea7n s\u1ed1 \u00e1nh s\u00e1ng l\u00e0 s\u1ed1 l\u1ea7n s\u00f3ng \u00e1nh s\u00e1ng ho\u00e0n th\u00e0nh m\u1ed9t chu k\u1ef3 trong \u0111\u01a1n v\u1ecb th\u1eddi gian. N\u00f3 \u0111\u01b0\u1ee3c \u0111o trong \u0111\u01a1n v\u1ecb Hertz (Hz), v\u1edbi 1 Hertz b\u1eb1ng 1 chu k\u1ef3 m\u1ed7i gi\u00e2y.<\/p>\n<p dir=\"ltr\">T\u1ea7n s\u1ed1 \u00e1nh s\u00e1ng r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u00e0u s\u1eafc c\u1ee7a \u00e1nh s\u00e1ng. S\u00f3ng \u00e1nh s\u00e1ng c\u00f3 t\u1ea7n s\u1ed1 cao h\u01a1n v\u1edbi n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c xem l\u00e0 b\u01b0\u1edbc s\u00f3ng ng\u1eafn h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 \u00e1nh s\u00e1ng m\u00e0u t\u00edm v\u00e0 xanh. S\u00f3ng \u00e1nh s\u00e1ng t\u1ea7n s\u1ed1 th\u1ea5p h\u01a1n c\u00f3 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c xem l\u00e0 m\u00e0u s\u1eafc c\u00f3 b\u01b0\u1edbc s\u00f3ng d\u00e0i h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 \u00e1nh s\u00e1ng \u0111\u1ecf v\u00e0 m\u00e0u cam.<\/p>\n<p dir=\"ltr\">\u00c1nh s\u00e1ng xanh c\u00f3 t\u1ea7n s\u1ed1 680 THz \u0111\u1ebfn 790 THz. \u00c1nh s\u00e1ng xanh c\u00f3 t\u1ea7n s\u1ed1 cao h\u01a1n \u00e1nh s\u00e1ng \u0111\u1ecf v\u00e0 th\u1ea5p h\u01a1n \u00e1nh s\u00e1ng m\u00e0u t\u00edm.<\/p>\n<p dir=\"ltr\">\u00c1nh s\u00e1ng xanh c\u00f3 ph\u1ea1m vi b\u01b0\u1edbc s\u00f3ng t\u1eeb 380nm \u0111\u1ebfn 500nm. \u0110\u1ec3 t\u00ednh to\u00e1n t\u1ea7n s\u1ed1 c\u1ee7a \u00e1nh s\u00e1ng xanh, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c sau:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">f = c \/ \u03bb<\/p>\n<p dir=\"ltr\">Trong \u0111\u00f3:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">F l\u00e0 t\u1ea7n s\u1ed1 c\u1ee7a \u00e1nh s\u00e1ng, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng Hertz (Hz)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C l\u00e0 t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng trong ch\u00e2n kh\u00f4ng, b\u1eb1ng 3,10^8 m\u00e9t\/gi\u00e2y<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u03bb l\u00e0 b\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng nanomet (nm)<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">V\u00ed d\u1ee5, \u00e1nh s\u00e1ng xanh v\u1edbi b\u01b0\u1edbc s\u00f3ng 450nm (= 4.5.10^-7 m) s\u1ebd c\u00f3 t\u1ea7n s\u1ed1:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">f = 3.10^8 \/ 4.5.10^-7 = 6.67.10^14 Hz<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/4-anh-sang-xanh.png\" alt=\"T\u1ea7n su\u1ea5t \u00e1nh s\u00e1ng xanh. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Nhung_tac_dong_co_hai_cua_anh_sang_xanh\"><\/span>Nh\u1eefng t\u00e1c \u0111\u1ed9ng c\u00f3 h\u1ea1i c\u1ee7a \u00e1nh s\u00e1ng xanh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u00c1nh s\u00e1ng xanh l\u00e0 m\u1ed9t lo\u1ea1i \u00e1nh s\u00e1ng c\u00f3 kh\u1ea3 n\u0103ng k\u00edch th\u00edch c\u00e1c t\u1ebf b\u00e0o v\u00f5ng m\u1ea1c c\u1ee7a m\u1eaft, gi\u00fap ch\u00fang ta nh\u00ecn th\u1ea5y m\u00e0u s\u1eafc. Tuy nhi\u00ean, \u00e1nh s\u00e1ng xanh c\u0169ng c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho s\u1ee9c kh\u1ecfe, \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u1ebfu ti\u1ebfp x\u00fac v\u1edbi \u00e1nh s\u00e1ng xanh l\u00e0 qu\u00e1 nhi\u1ec1u, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u00e0o ban \u0111\u00eam. C\u1ee5 th\u1ec3:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">M\u1ec7t m\u1ecfi m\u1eaft v\u00e0 m\u1eaft kh\u00f4: \u00c1nh s\u00e1ng xanh c\u00f3 th\u1ec3 l\u00e0m t\u0103ng n\u01b0\u1edbc m\u1eaft, d\u1eabn \u0111\u1ebfn kh\u00f4 m\u1eaft v\u00e0 m\u1ec7t m\u1ecfi m\u1eaft.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Tho\u00e1i h\u00f3a v\u00e0ng: \u00c1nh s\u00e1ng xanh c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nguy c\u01a1 tho\u00e1i h\u00f3a c\u00e1c \u0111\u1ed1m v\u00e0ng, m\u1ed9t b\u1ec7nh g\u00e2y suy gi\u1ea3m th\u1ecb l\u1ef1c \u1edf trung t\u00e2m v\u00f5ng m\u1ea1c.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">H\u1ed9i ch\u1ee9ng th\u1ecb gi\u00e1c m\u00e0n h\u00ecnh: \u00c1nh s\u00e1ng xanh c\u00f3 th\u1ec3 g\u00e2y ra h\u1ed9i ch\u1ee9ng th\u1ecb gi\u00e1c m\u00e0n h\u00ecnh, m\u1ed9t t\u00ecnh tr\u1ea1ng g\u00e2y ra m\u1ec7t m\u1ecfi m\u1eaft, kh\u00f4 m\u1eaft, \u0111au \u0111\u1ea7u v\u00e0 kh\u00f3 t\u1eadp trung.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Cartostatic: \u00c1nh s\u00e1ng xanh c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nguy c\u01a1 \u0111\u1ee5c th\u1ee7y tinh th\u1ec3, m\u1ed9t c\u0103n b\u1ec7nh g\u00e2y ra th\u1ecb l\u1ef1c m\u1edd.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u00e3o h\u00f3a da: \u00c1nh s\u00e1ng xanh c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n th\u01b0\u01a1ng da, d\u1eabn \u0111\u1ebfn l\u00e3o h\u00f3a da s\u1edbm, bao g\u1ed3m n\u1ebfp nh\u0103n, n\u00e1m, t\u00e0n nhang.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">M\u1ee5n tr\u1ee9ng c\u00e1: \u00c1nh s\u00e1ng xanh c\u00f3 th\u1ec3 l\u00e0m t\u0103ng s\u1ea3n xu\u1ea5t b\u00e3 nh\u1eddn, d\u1eabn \u0111\u1ebfn m\u1ee5n tr\u1ee9ng c\u00e1.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">K\u00edch \u1ee9ng da: \u00c1nh s\u00e1ng xanh c\u00f3 th\u1ec3 g\u00e2y k\u00edch \u1ee9ng da, d\u1eabn \u0111\u1ebfn \u0111\u1ecf, ng\u1ee9a v\u00e0 s\u01b0ng.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng gi\u1ea5c ng\u1ee7: \u00c1nh s\u00e1ng xanh c\u00f3 th\u1ec3 \u1ee9c ch\u1ebf s\u1ea3n xu\u1ea5t melatonin, m\u1ed9t lo\u1ea1i hormone gi\u00fap \u0111i\u1ec1u ch\u1ec9nh chu k\u1ef3 ng\u1ee7. Ti\u1ebfp x\u00fac v\u1edbi \u00e1nh s\u00e1ng xanh qu\u00e1 nhi\u1ec1u v\u00e0o ban \u0111\u00eam c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n kh\u00f3 ng\u1ee7 ho\u1eb7c kh\u00f4ng ng\u1ee7 ngon.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u0103ng nguy c\u01a1 m\u1eafc b\u1ec7nh tim m\u1ea1ch: M\u1ed9t s\u1ed1 nghi\u00ean c\u1ee9u cho th\u1ea5y \u00e1nh s\u00e1ng xanh c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nguy c\u01a1 m\u1eafc b\u1ec7nh tim m\u1ea1ch b\u1eb1ng c\u00e1ch t\u0103ng huy\u1ebft \u00e1p v\u00e0 nh\u1ecbp tim.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u0103ng nguy c\u01a1 ung th\u01b0: M\u1ed9t s\u1ed1 nghi\u00ean c\u1ee9u cho th\u1ea5y \u00e1nh s\u00e1ng xanh c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nguy c\u01a1 m\u1eafc m\u1ed9t s\u1ed1 b\u1ec7nh ung th\u01b0, nh\u01b0 ung th\u01b0 da, ung th\u01b0 v\u00fa v\u00e0 ung th\u01b0 tuy\u1ebfn ti\u1ec1n li\u1ec7t.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Xem th\u00eam:<\/p>\n<ol>\n<li dir=\"ltr\">\u1ee8ng d\u1ee5ng kh\u1ec9 &#8211; \u1ee8ng d\u1ee5ng h\u1ecdc t\u1eadp gi\u00fap tr\u1ebb ph\u00e1t tri\u1ec3n to\u00e0n di\u1ec7n v\u1ec1 t\u01b0 duy v\u00e0 ng\u00f4n ng\u1eef<\/li>\n<li dir=\"ltr\">\u00c1nh s\u00e1ng l\u00e0 g\u00ec? H\u1ecdc ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 \u00e1nh s\u00e1ng t\u1eeb AZ<\/li>\n<li dir=\"ltr\">\u00c1nh s\u00e1ng tr\u1eafng l\u00e0 g\u00ec? Hi\u1ec7u \u1ee9ng &amp; C\u00e1ch ph\u00e2n bi\u1ec7t v\u1edbi \u00e1nh s\u00e1ng m\u00e0u<\/li>\n<\/ol>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/5-anh-sang-xanh.png\" alt=\"C\u00e1c t\u00e1c \u0111\u1ed9ng c\u00f3 h\u1ea1i c\u1ee7a \u00e1nh s\u00e1ng xanh. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">\u0110\u1ec3 h\u1ea1n ch\u1ebf c\u00e1c t\u00e1c \u0111\u1ed9ng c\u00f3 h\u1ea1i c\u1ee7a \u00e1nh s\u00e1ng xanh, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p, ch\u1eb3ng h\u1ea1n nh\u01b0: <em>Gi\u1ea3m th\u1eddi gian s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, k\u00ednh r\u00e2m c\u00f3 th\u1ec3 l\u1ecdc \u00e1nh s\u00e1ng xanh, &#8230;<\/em> Ngo\u00e0i ra, b\u1ea1n c\u0169ng n\u00ean th\u00eam th\u1ef1c ph\u1ea9m gi\u00e0u ch\u1ea5t ch\u1ed1ng oxy h\u00f3a, ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u00e1i c\u00e2y, rau, \u0111\u1ec3 gi\u00fap b\u1ea3o v\u1ec7 c\u01a1 th\u1ec3 kh\u1ecfi c\u00e1c t\u00e1c \u0111\u1ed9ng c\u00f3 h\u1ea1i c\u1ee7a \u00e1nh s\u00e1ng xanh.<\/p>\n<\/p>\n<p dir=\"ltr\">Do \u0111\u00f3, b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n h\u1ea7u h\u1ebft ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 \u00e1nh s\u00e1ng xanh trong quang h\u1ecdc. N\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn ch\u1ee7 \u0111\u1ec1 n\u00e0y c\u1ee7a ch\u1ee7 \u0111\u1ec1 n\u00e0y, h\u00e3y xem c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c trong danh m\u1ee5c ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n trong trang web ch\u00ednh th\u1ee9c c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef!<\/p>\n<p>Ngu\u1ed3n: <a href=\"https:\/\/www.ckconitsha.com\/vn\/\">https:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 \u00e1nh s\u00e1ng xanh, m\u1ed9t lo\u1ea1i \u00e1nh s\u00e1ng ph\u1ed5 bi\u1ebfn trong t\u1ef1 nhi\u00ean v\u00e0 ph\u00e1t ra t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. \u00c1nh s\u00e1ng xanh c\u00f3 n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n c\u00e1c lo\u1ea1i \u00e1nh s\u00e1ng kh\u00e1c trong d\u1ea3i \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y, v\u00ec v\u1eady n\u00f3 c\u00f3 th\u1ec3&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-13932","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/13932","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/comments?post=13932"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/13932\/revisions"}],"predecessor-version":[{"id":16771,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/13932\/revisions\/16771"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=13932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=13932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=13932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}