{"id":523881,"date":"2026-01-22T11:08:23","date_gmt":"2026-01-22T04:08:23","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=523881"},"modified":"2026-01-22T11:08:23","modified_gmt":"2026-01-22T04:08:23","slug":"buoc-song-tia-hong-ngoai","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/buoc-song-tia-hong-ngoai\/","title":{"rendered":"B\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i l\u00e0 g\u00ec? \u0110\u1eb7c \u0111i\u1ec3m, ph\u00e2n lo\u1ea1i v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng gi\u00fap x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a tia h\u1ed3ng ngo\u1ea1i trong ph\u1ed5 \u0111i\u1ec7n t\u1eeb. Vi\u1ec7c hi\u1ec3u r\u00f5 b\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i kh\u00f4ng ch\u1ec9 gi\u00fap ph\u00e2n bi\u1ec7t lo\u1ea1i b\u1ee9c x\u1ea1 n\u00e0y v\u1edbi \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y hay s\u00f3ng vi ba m\u00e0 c\u00f2n l\u00e0m r\u00f5 c\u01a1 s\u1edf cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a tia h\u1ed3ng ngo\u1ea1i trong \u0111\u1eddi s\u1ed1ng. H\u00e3y c\u00f9ng b\u00e0i vi\u1ebft t\u00ecm hi\u1ec3u v\u1ec1 tia h\u1ed3ng ngo\u1ea1i n\u00e0o.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tia h\u1ed3ng ngo\u1ea1i l\u00e0 g\u00ec?<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tia h\u1ed3ng ngo\u1ea1i l\u00e0 d\u1ea1ng b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb c\u00f3 b\u01b0\u1edbc s\u00f3ng n\u1eb1m trong kho\u1ea3ng t\u1eeb 700 nm \u0111\u1ebfn 1 mm. V\u1ec1 v\u1ecb tr\u00ed trong ph\u1ed5 \u0111i\u1ec7n t\u1eeb, tia h\u1ed3ng ngo\u1ea1i c\u00f3 b\u01b0\u1edbc s\u00f3ng d\u00e0i h\u01a1n \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y nh\u01b0ng ng\u1eafn h\u01a1n s\u00f3ng vi ba (nh\u01b0 s\u00f3ng trong l\u00f2 vi s\u00f3ng).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Lo\u1ea1i b\u1ee9c x\u1ea1 n\u00e0y c\u00f3 t\u1ea7n s\u1ed1 dao \u0111\u1ed9ng t\u1eeb kho\u1ea3ng 300 GHz \u0111\u1ebfn 300 MHz, t\u01b0\u01a1ng \u1ee9ng v\u1edbi n\u0103ng l\u01b0\u1ee3ng photon t\u1eeb 1,24 meV \u0111\u1ebfn 1,7 eV. Do c\u00f3 b\u01b0\u1edbc s\u00f3ng d\u00e0i h\u01a1n \u00e1nh s\u00e1ng kh\u1ea3 ki\u1ebfn, tia h\u1ed3ng ngo\u1ea1i kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c m\u1eaft ng\u01b0\u1eddi quan s\u00e1t tr\u1ef1c ti\u1ebfp, m\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n th\u00f4ng qua c\u00e1c thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-1.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-1-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-1-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-523884 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-1.jpg\" alt=\"buoc-song-tia-hong-ngoai-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i l\u00e0 bao nhi\u00eau?<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u01b0\u1edbc s\u00f3ng c\u1ee7a tia h\u1ed3ng ngo\u1ea1i dao \u0111\u1ed9ng trong kho\u1ea3ng t\u1eeb 700 nm \u0111\u1ebfn 1 mm, n\u1eb1m gi\u1eefa v\u00f9ng \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y v\u00e0 s\u00f3ng vi ba trong ph\u1ed5 \u0111i\u1ec7n t\u1eeb. V\u1edbi d\u1ea3i b\u01b0\u1edbc s\u00f3ng kh\u00e1 r\u1ed9ng n\u00e0y, tia h\u1ed3ng ngo\u1ea1i bao g\u1ed3m nhi\u1ec1u ph\u00e2n v\u00f9ng kh\u00e1c nhau, t\u1eeb h\u1ed3ng ngo\u1ea1i g\u1ea7n \u0111\u1ebfn h\u1ed3ng ngo\u1ea1i xa, m\u1ed7i v\u00f9ng mang \u0111\u1eb7c t\u00ednh v\u00e0 m\u1ee9c n\u0103ng l\u01b0\u1ee3ng ri\u00eang, nh\u01b0ng \u0111\u1ec1u kh\u00f4ng th\u1ec3 quan s\u00e1t tr\u1ef1c ti\u1ebfp b\u1eb1ng m\u1eaft th\u01b0\u1eddng.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-3.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-3-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-3-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-523886 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-3.jpg\" alt=\"buoc-song-tia-hong-ngoai-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ph\u00e2n lo\u1ea1i tia h\u1ed3ng ngo\u1ea1i theo b\u01b0\u1edbc s\u00f3ng<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">D\u1ef1a v\u00e0o b\u01b0\u1edbc s\u00f3ng, tia h\u1ed3ng ngo\u1ea1i \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u v\u00f9ng kh\u00e1c nhau nh\u1eb1m thu\u1eadn ti\u1ec7n cho vi\u1ec7c nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf. Theo c\u00e1ch ph\u00e2n lo\u1ea1i \u0111\u01a1n gi\u1ea3n v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t, b\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i \u0111\u01b0\u1ee3c chia th\u00e0nh ba nh\u00f3m ch\u00ednh: h\u1ed3ng ngo\u1ea1i g\u1ea7n, h\u1ed3ng ngo\u1ea1i gi\u1eefa v\u00e0 h\u1ed3ng ngo\u1ea1i xa.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u1ed3ng ngo\u1ea1i g\u1ea7n (Near Infrared \u2013 NIR)<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u1ed3ng ngo\u1ea1i g\u1ea7n l\u00e0 v\u00f9ng c\u00f3 b\u01b0\u1edbc s\u00f3ng ng\u1eafn nh\u1ea5t trong d\u1ea3i h\u1ed3ng ngo\u1ea1i, n\u1eb1m s\u00e1t v\u1edbi \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y. Do c\u00f3 m\u1ee9c n\u0103ng l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u1ed1i cao, v\u00f9ng n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong ch\u1ee5p \u1ea3nh h\u1ed3ng ngo\u1ea1i, vi\u1ec5n th\u00e1m, c\u1ea3m bi\u1ebfn v\u00e0 m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb quang h\u1ecdc.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u1ed3ng ngo\u1ea1i gi\u1eefa (Mid Infrared \u2013 MIR)<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u1ed3ng ngo\u1ea1i gi\u1eefa l\u00e0 v\u00f9ng th\u1ec3 hi\u1ec7n r\u00f5 \u0111\u1eb7c t\u00ednh b\u1ee9c x\u1ea1 nhi\u1ec7t c\u1ee7a v\u1eadt th\u1ec3. C\u00e1c v\u1eadt c\u00f3 nhi\u1ec7t \u0111\u1ed9 ph\u1ed5 bi\u1ebfn tr\u00ean b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t th\u01b0\u1eddng ph\u00e1t x\u1ea1 m\u1ea1nh trong d\u1ea3i n\u00e0y, v\u00ec v\u1eady MIR \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng nhi\u1ec1u trong camera nhi\u1ec7t, \u0111o nhi\u1ec7t \u0111\u1ed9 v\u00e0 nghi\u00ean c\u1ee9u b\u1ee9c x\u1ea1 nhi\u1ec7t.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u1ed3ng ngo\u1ea1i xa (Far Infrared \u2013 FIR)<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u1ed3ng ngo\u1ea1i xa l\u00e0 b\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i d\u00e0i nh\u1ea5t v\u00e0 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p nh\u1ea5t trong d\u1ea3i h\u1ed3ng ngo\u1ea1i. V\u00f9ng n\u00e0y d\u1ec5 b\u1ecb kh\u00ed quy\u1ec3n h\u1ea5p th\u1ee5 m\u1ea1nh v\u00e0 th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn b\u1ee9c x\u1ea1 n\u1ec1n v\u0169 tr\u1ee5, \u0111\u1ed3ng th\u1eddi \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong nghi\u00ean c\u1ee9u thi\u00ean v\u0103n v\u00e0 m\u1ed9t s\u1ed1 l\u0129nh v\u1ef1c v\u1eadt l\u00fd chuy\u00ean s\u00e2u.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-2.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-2-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-2-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-523885 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-2.jpg\" alt=\"buoc-song-tia-hong-ngoai-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1eb7c \u0111i\u1ec3m v\u1eadt l\u00fd c\u1ee7a tia h\u1ed3ng ngo\u1ea1i<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tia h\u1ed3ng ngo\u1ea1i c\u00f3 m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt gi\u00fap ph\u00e2n bi\u1ec7t v\u1edbi c\u00e1c d\u1ea1ng b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb kh\u00e1c. Ba \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng nh\u1ea5t g\u1ed3m:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Kh\u00f4ng nh\u00ecn th\u1ea5y b\u1eb1ng m\u1eaft th\u01b0\u1eddng: Tia h\u1ed3ng ngo\u1ea1i n\u1eb1m ngo\u00e0i v\u00f9ng \u00e1nh s\u00e1ng kh\u1ea3 ki\u1ebfn n\u00ean m\u1eaft ng\u01b0\u1eddi kh\u00f4ng th\u1ec3 quan s\u00e1t tr\u1ef1c ti\u1ebfp. Tuy nhi\u00ean, con ng\u01b0\u1eddi c\u00f3 th\u1ec3 c\u1ea3m nh\u1eadn tia h\u1ed3ng ngo\u1ea1i th\u00f4ng qua c\u1ea3m gi\u00e1c \u1ea5m ho\u1eb7c n\u00f3ng tr\u00ean da.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">B\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i d\u00e0i h\u01a1n \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y: Nh\u1edd c\u00f3 b\u01b0\u1edbc s\u00f3ng l\u1edbn, tia h\u1ed3ng ngo\u1ea1i \u00edt b\u1ecb t\u00e1n x\u1ea1 v\u00e0 h\u1ea5p th\u1ee5 khi \u0111i qua kh\u00ed quy\u1ec3n, b\u1ee5i hay s\u01b0\u01a1ng m\u00f9, cho ph\u00e9p truy\u1ec1n \u0111i t\u01b0\u01a1ng \u0111\u1ed1i hi\u1ec7u qu\u1ea3.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn b\u1ee9c x\u1ea1 nhi\u1ec7t c\u1ee7a v\u1eadt th\u1ec3: M\u1ecdi v\u1eadt c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n \u2013273,15\u00b0C (\u0111\u1ed9 kh\u00f4ng tuy\u1ec7t \u0111\u1ed1i) \u0111\u1ec1u ph\u00e1t ra tia h\u1ed3ng ngo\u1ea1i. \u0110\u1eb7c bi\u1ec7t, d\u1ea3i 8\u201315 \u00b5m l\u00e0 v\u00f9ng b\u1ee9c x\u1ea1 nhi\u1ec7t quan tr\u1ecdng, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 nghi\u00ean c\u1ee9u nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t v\u00e0 c\u00e1c h\u00e0nh tinh.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-4.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-4-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-4-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-523887 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-4.jpg\" alt=\"buoc-song-tia-hong-ngoai-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngu\u1ed3n ph\u00e1t ra tia h\u1ed3ng ngo\u1ea1i<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngu\u1ed3n ph\u00e1t ra tia h\u1ed3ng ngo\u1ea1i ch\u1ee7 y\u1ebfu l\u00e0 b\u1ee9c x\u1ea1 nhi\u1ec7t c\u1ee7a v\u1eadt th\u1ec3. V\u00ec v\u1eady, m\u1ecdi v\u1eadt c\u00f3 nhi\u1ec7t \u0111\u1ed9 l\u1edbn h\u01a1n 0 K (\u0111\u1ed9 kh\u00f4ng tuy\u1ec7t \u0111\u1ed1i) \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t ra b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i. Ngay c\u1ea3 nh\u1eefng v\u1eadt c\u00f3 nhi\u1ec7t \u0111\u1ed9 r\u1ea5t th\u1ea5p nh\u01b0 \u0111\u00e1 hay b\u0103ng c\u0169ng v\u1eabn ph\u00e1t ra tia h\u1ed3ng ngo\u1ea1i, ch\u1ec9 kh\u00e1c nhau v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">N\u1ebfu m\u1ed9t v\u1eadt th\u1ec3 ch\u01b0a \u0111\u1ee7 n\u00f3ng \u0111\u1ec3 ph\u00e1t ra \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y, th\u00ec ph\u1ea7n l\u1edbn n\u0103ng l\u01b0\u1ee3ng c\u1ee7a n\u00f3 v\u1eabn \u0111\u01b0\u1ee3c ph\u00e1t x\u1ea1 d\u01b0\u1edbi d\u1ea1ng tia h\u1ed3ng ngo\u1ea1i. Ch\u1eb3ng h\u1ea1n, than n\u00f3ng c\u00f3 th\u1ec3 kh\u00f4ng ph\u00e1t s\u00e1ng r\u00f5 r\u1ec7t nh\u01b0ng v\u1eabn t\u1ecfa nhi\u1ec7t m\u1ea1nh v\u00e0 ph\u00e1t ra tia h\u1ed3ng ngo\u1ea1i.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt c\u00e0ng cao th\u00ec c\u01b0\u1eddng \u0111\u1ed9 tia h\u1ed3ng ngo\u1ea1i ph\u00e1t ra c\u00e0ng l\u1edbn. C\u01a1 th\u1ec3 con ng\u01b0\u1eddi \u1edf nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng c\u0169ng l\u00e0 m\u1ed9t ngu\u1ed3n ph\u00e1t tia h\u1ed3ng ngo\u1ea1i, v\u1edbi b\u1ee9c x\u1ea1 m\u1ea1nh nh\u1ea5t \u1edf b\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i kho\u1ea3ng 10 micromet.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt, c\u00e1c ch\u00f9m tia h\u1ed3ng ngo\u1ea1i c\u00f3 \u0111\u1ecbnh h\u01b0\u1edbng th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng \u0111i-\u1ed1t ph\u00e1t quang h\u1ed3ng ngo\u1ea1i (IR LED) ho\u1eb7c \u0111\u00e8n d\u00e2y t\u00f3c ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, ph\u1ee5c v\u1ee5 cho nhi\u1ec1u \u1ee9ng d\u1ee5ng nh\u01b0 truy\u1ec1n t\u00edn hi\u1ec7u, c\u1ea3m bi\u1ebfn v\u00e0 \u0111o nhi\u1ec7t.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-5.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-5-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-5-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-523883 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-5.jpg\" alt=\"buoc-song-tia-hong-ngoai-5\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-5.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-5-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-5-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng c\u1ee7a tia h\u1ed3ng ngo\u1ea1i trong \u0111\u1eddi s\u1ed1ng<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tia h\u1ed3ng ngo\u1ea1i \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c c\u1ee7a \u0111\u1eddi s\u1ed1ng, t\u1eeb y h\u1ecdc, c\u00f4ng ngh\u1ec7 \u0111\u1ebfn nghi\u00ean c\u1ee9u khoa h\u1ecdc. Nh\u1edd \u0111\u1eb7c t\u00ednh li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn b\u1ee9c x\u1ea1 nhi\u1ec7t, tia h\u1ed3ng ngo\u1ea1i kh\u00f4ng ch\u1ec9 g\u00f3p ph\u1ea7n n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c s\u1ed1ng m\u00e0 c\u00f2n m\u1edf ra nhi\u1ec1u h\u01b0\u1edbng ph\u00e1t tri\u1ec3n m\u1edbi trong khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng c\u1ee7a tia h\u1ed3ng ngo\u1ea1i trong y h\u1ecdc<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tia h\u1ed3ng ngo\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 h\u1ed3ng ngo\u1ea1i xa, mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch trong ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe v\u00e0 \u0111i\u1ec1u tr\u1ecb b\u1ec7nh. M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ti\u00eau bi\u1ec3u g\u1ed3m:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Gi\u1ea3m \u0111au c\u01a1 x\u01b0\u01a1ng kh\u1edbp: Tia h\u1ed3ng ngo\u1ea1i gi\u00fap th\u01b0 gi\u00e3n c\u01a1 b\u1eafp, gi\u1ea3m \u0111au v\u00e0 h\u1ed7 tr\u1ee3 \u0111i\u1ec1u tr\u1ecb c\u00e1c b\u1ec7nh nh\u01b0 vi\u00eam kh\u1edbp, tho\u00e1i h\u00f3a kh\u1edbp.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 ph\u1ee5c h\u1ed3i sau ph\u1eabu thu\u1eadt: Nh\u1edd kh\u1ea3 n\u0103ng c\u1ea3i thi\u1ec7n tu\u1ea7n ho\u00e0n m\u00e1u v\u00e0 k\u00edch th\u00edch t\u00e1i t\u1ea1o t\u1ebf b\u00e0o, tia h\u1ed3ng ngo\u1ea1i gi\u00fap r\u00fat ng\u1eafn th\u1eddi gian h\u1ed3i ph\u1ee5c.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Gi\u1ea3m vi\u00eam: Tia h\u1ed3ng ngo\u1ea1i c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m d\u1ecbu v\u00f9ng vi\u00eam, h\u1ed7 tr\u1ee3 \u0111i\u1ec1u tr\u1ecb vi\u00eam g\u00e2n, vi\u00eam kh\u1edbp v\u00e0 c\u00e1c b\u1ec7nh l\u00fd vi\u00eam kh\u00e1c.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u0103ng c\u01b0\u1eddng l\u01b0u th\u00f4ng m\u00e1u: Vi\u1ec7c k\u00edch th\u00edch m\u1ea1ch m\u00e1u gi\u00fap cung c\u1ea5p oxy v\u00e0 d\u01b0\u1ee1ng ch\u1ea5t t\u1ed1t h\u01a1n cho c\u00e1c m\u00f4, h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh ch\u1eefa l\u00e0nh.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 \u0111i\u1ec1u tr\u1ecb c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 da: Tia h\u1ed3ng ngo\u1ea1i \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong \u0111i\u1ec1u tr\u1ecb m\u1ee5n, v\u1ebft th\u01b0\u01a1ng h\u1edf v\u00e0 vi\u00eam da nh\u1edd kh\u1ea3 n\u0103ng l\u00e0m \u1ea5m v\u00e0 gi\u1ea3m s\u01b0ng.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-6.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-6-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-6-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-523888 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-6.jpg\" alt=\"buoc-song-tia-hong-ngoai-6\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-6.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-6-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-6-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng c\u1ee7a tia h\u1ed3ng ngo\u1ea1i trong c\u00f4ng ngh\u1ec7 v\u00e0 vi\u1ec5n th\u00f4ng<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7, tia h\u1ed3ng ngo\u1ea1i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u thi\u1ebft b\u1ecb v\u00e0 h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110i\u1ec1u khi\u1ec3n t\u1eeb xa: Tia h\u1ed3ng ngo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong remote \u0111i\u1ec1u khi\u1ec3n TV, \u0111i\u1ec1u h\u00f2a, qu\u1ea1t v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed gia d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Truy\u1ec1n d\u1eef li\u1ec7u kh\u00f4ng d\u00e2y t\u1ea7m ng\u1eafn: M\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed s\u1eed d\u1ee5ng b\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i \u0111\u1ec3 trao \u0111\u1ed5i d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i d\u00e2y.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u1ea3m bi\u1ebfn chuy\u1ec3n \u0111\u1ed9ng: C\u00e1c h\u1ec7 th\u1ed1ng an ninh v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 di chuy\u1ec3n c\u1ee7a con ng\u01b0\u1eddi ho\u1eb7c v\u1eadt th\u1ec3.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u1ea3m bi\u1ebfn v\u00e0 \u0111o nhi\u1ec7t \u0111\u1ed9: Trong c\u00f4ng nghi\u1ec7p, tia h\u1ed3ng ngo\u1ea1i gi\u00fap theo d\u00f5i nhi\u1ec7t \u0111\u1ed9 thi\u1ebft b\u1ecb t\u1eeb xa, ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c b\u1ea5t th\u01b0\u1eddng v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u1eadn h\u00e0nh.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-7.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-7-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-7-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-523889 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-7.jpg\" alt=\"buoc-song-tia-hong-ngoai-7\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-7.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-7-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-7-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng c\u1ee7a tia h\u1ed3ng ngo\u1ea1i trong qu\u00e2n s\u1ef1 v\u00e0 an ninh<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tia h\u1ed3ng ngo\u1ea1i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong l\u0129nh v\u1ef1c qu\u00e2n s\u1ef1 v\u00e0 an ninh, \u0111\u1eb7c bi\u1ec7t trong vi\u1ec7c quan s\u00e1t, gi\u00e1m s\u00e1t v\u00e0 nh\u1eadn di\u1ec7n m\u1ee5c ti\u00eau trong \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng k\u00e9m ho\u1eb7c m\u00f4i tr\u01b0\u1eddng ph\u1ee9c t\u1ea1p nh\u01b0 s\u01b0\u01a1ng m\u00f9, kh\u00f3i b\u1ee5i.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb nh\u00ecn \u0111\u00eam: Tia h\u1ed3ng ngo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u1ed1ng nh\u00f2m, camera v\u00e0 \u0111\u00e8n chi\u1ebfu h\u1ed3ng ngo\u1ea1i, cho ph\u00e9p quan s\u00e1t r\u00f5 r\u00e0ng trong b\u00f3ng t\u1ed1i ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n t\u1ea7m nh\u00ecn h\u1ea1n ch\u1ebf.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Nh\u1eadn di\u1ec7n v\u00e0 theo d\u00f5i m\u1ee5c ti\u00eau: C\u00e1c h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t v\u00e0 t\u00ean l\u1eeda d\u1eabn \u0111\u01b0\u1eddng s\u1eed d\u1ee5ng tia h\u1ed3ng ngo\u1ea1i \u0111\u1ec3 ph\u00e1t hi\u1ec7n, kh\u00f3a v\u00e0 theo d\u00f5i m\u1ee5c ti\u00eau v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao trong nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-8.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-8-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-8-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-523890 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-8.jpg\" alt=\"buoc-song-tia-hong-ngoai-8\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-8.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-8-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-8-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng c\u1ee7a tia h\u1ed3ng ngo\u1ea1i trong c\u00f4ng nghi\u1ec7p v\u00e0 n\u00f4ng nghi\u1ec7p<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u1edd kh\u1ea3 n\u0103ng l\u00e0m n\u00f3ng nhanh, \u0111o v\u00e0 gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9, b\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p v\u00e0 n\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">S\u01b0\u1edfi \u1ea5m v\u00e0 gia nhi\u1ec7t: Tia h\u1ed3ng ngo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u00f2 n\u01b0\u1edbng, b\u1ebfp \u0111i\u1ec7n, l\u00f2 s\u1ea5y th\u1ef1c ph\u1ea9m nh\u1eb1m gia nhi\u1ec7t nhanh, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Gi\u00e1m s\u00e1t v\u00e0 ki\u1ec3m tra k\u1ef9 thu\u1eadt: Trong c\u00f4ng nghi\u1ec7p, tia h\u1ed3ng ngo\u1ea1i gi\u00fap \u0111o nhi\u1ec7t \u0111\u1ed9 l\u00f2 luy\u1ec7n kim, theo d\u00f5i ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc v\u00e0 ph\u00e1t hi\u1ec7n s\u1edbm l\u1ed7i ho\u1eb7c qu\u00e1 nhi\u1ec7t c\u1ee7a m\u00e1y m\u00f3c.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u00f4ng s\u1ea3n: Tia h\u1ed3ng ngo\u1ea1i h\u1ed7 tr\u1ee3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 ch\u00edn, \u0111\u1ed9 \u1ea9m v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m n\u00f4ng nghi\u1ec7p m\u00e0 kh\u00f4ng c\u1ea7n ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-9.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-9-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-9-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-523891 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-9.jpg\" alt=\"buoc-song-tia-hong-ngoai-9\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-9.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-9-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-9-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c c\u1ee7a tia h\u1ed3ng ngo\u1ea1i<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i c\u00e1c l\u0129nh v\u1ef1c tr\u00ean, tia h\u1ed3ng ngo\u1ea1i c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c chuy\u00ean s\u00e2u kh\u00e1c.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra ti\u1ec1n t\u1ec7 v\u00e0 t\u00e0i li\u1ec7u: Tia h\u1ed3ng ngo\u1ea1i gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c d\u1ea5u hi\u1ec7u gi\u1ea3 m\u1ea1o tr\u00ean ti\u1ec1n gi\u1ea5y v\u00e0 gi\u1ea5y t\u1edd quan tr\u1ecdng th\u00f4ng qua c\u00e1c \u0111\u1eb7c t\u00ednh h\u1ea5p th\u1ee5 v\u00e0 ph\u1ea3n x\u1ea1 \u0111\u1eb7c bi\u1ec7t.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Thi\u00ean v\u0103n h\u1ecdc: Nh\u1edd kh\u1ea3 n\u0103ng quan s\u00e1t c\u00e1c thi\u00ean th\u1ec3 c\u00f3 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, tia h\u1ed3ng ngo\u1ea1i gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc nghi\u00ean c\u1ee9u sao, h\u00e0nh tinh v\u00e0 v\u1eadt th\u1ec3 v\u0169 tr\u1ee5 m\u00e0 \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y kh\u00f4ng th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c.<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tia h\u1ed3ng ngo\u1ea1i c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe kh\u00f4ng?<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tia h\u1ed3ng ngo\u1ea1i c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i \u00edch ho\u1eb7c g\u00e2y t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn s\u1ee9c kh\u1ecfe, t\u00f9y thu\u1ed9c v\u00e0o c\u01b0\u1eddng \u0111\u1ed9, th\u1eddi gian ti\u1ebfp x\u00fac v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng. Khi \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u00fang c\u00e1ch, b\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i h\u1ed7 tr\u1ee3 \u0111i\u1ec1u tr\u1ecb v\u00e0 ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe; ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu l\u1ea1m d\u1ee5ng ho\u1eb7c d\u00f9ng sai, ch\u00fang c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng r\u1ee7i ro nh\u1ea5t \u0111\u1ecbnh.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u1ee3i \u00edch c\u1ee7a tia h\u1ed3ng ngo\u1ea1i \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tia h\u1ed3ng ngo\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 h\u1ed3ng ngo\u1ea1i xa, t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp l\u00ean t\u1ebf b\u00e0o v\u00e0 m\u00f4, mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho c\u01a1 th\u1ec3:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u1ea3i thi\u1ec7n tu\u1ea7n ho\u00e0n m\u00e1u: Gi\u00fap t\u0103ng l\u01b0u th\u00f4ng m\u00e1u, cung c\u1ea5p oxy v\u00e0 d\u01b0\u1ee1ng ch\u1ea5t cho m\u00f4, \u0111\u1ed3ng th\u1eddi h\u1ed7 tr\u1ee3 \u0111\u00e0o th\u1ea3i \u0111\u1ed9c t\u1ed1.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Gi\u1ea3m \u0111au v\u00e0 ch\u1ed1ng vi\u00eam: L\u00e0m gi\u00e3n c\u01a1, gi\u1ea3m c\u0103ng c\u1ee9ng v\u00e0 h\u1ed7 tr\u1ee3 \u0111i\u1ec1u tr\u1ecb c\u00e1c b\u1ec7nh l\u00fd c\u01a1 x\u01b0\u01a1ng kh\u1edbp.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 t\u00e1i t\u1ea1o v\u00e0 ph\u1ee5c h\u1ed3i m\u00f4: K\u00edch th\u00edch s\u1eeda ch\u1eefa m\u00f4 t\u1ed5n th\u01b0\u01a1ng, th\u00fac \u0111\u1ea9y l\u00e0nh v\u1ebft th\u01b0\u01a1ng v\u00e0 t\u00e1i t\u1ea1o s\u1ee5n, kh\u1edbp.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u0103ng c\u01b0\u1eddng h\u1ec7 mi\u1ec5n d\u1ecbch: Gi\u00fap gi\u1ea3m stress v\u00e0 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh \u0111\u00e0o th\u1ea3i \u0111\u1ed9c t\u1ed1, t\u1eeb \u0111\u00f3 n\u00e2ng cao s\u1ee9c \u0111\u1ec1 kh\u00e1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110i\u1ec1u h\u00f2a huy\u1ebft \u00e1p: H\u1ea1n ch\u1ebf k\u1ebft t\u1ee5 ti\u1ec3u c\u1ea7u, h\u1ed7 tr\u1ee3 b\u1ea3o v\u1ec7 h\u1ec7 tim m\u1ea1ch v\u00e0 \u1ed5n \u0111\u1ecbnh huy\u1ebft \u00e1p.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 h\u1ec7 th\u1ea7n kinh: G\u00f3p ph\u1ea7n k\u00edch th\u00edch v\u00e0 ph\u1ee5c h\u1ed3i c\u00e1c t\u1ed5n th\u01b0\u01a1ng li\u00ean quan \u0111\u1ebfn h\u1ec7 th\u1ea7n kinh.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-10.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-10-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-10-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-523892 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-10.jpg\" alt=\"buoc-song-tia-hong-ngoai-10\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-10.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-10-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/01\/buoc-song-tia-hong-ngoai-10-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u00e1c h\u1ea1i c\u1ee7a tia h\u1ed3ng ngo\u1ea1i \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh l\u1ee3i \u00edch, tia h\u1ed3ng ngo\u1ea1i c\u0169ng ti\u1ec1m \u1ea9n m\u1ed9t s\u1ed1 nguy c\u01a1 n\u1ebfu s\u1eed d\u1ee5ng kh\u00f4ng \u0111\u00fang c\u00e1ch:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Nguy c\u01a1 b\u1ecfng nhi\u1ec7t: Ti\u1ebfp x\u00fac l\u00e2u v\u1edbi tia h\u1ed3ng ngo\u1ea1i c\u01b0\u1eddng \u0111\u1ed9 cao c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng da v\u00e0 t\u1ed5n th\u01b0\u01a1ng m\u00f4.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Kh\u00f4ng ph\u00f9 h\u1ee3p trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p: Tr\u00e1nh s\u1eed d\u1ee5ng tr\u00ean v\u00f9ng da vi\u00eam m\u1ee7, vi\u00eam c\u1ea5p ho\u1eb7c ch\u1ea5n th\u01b0\u01a1ng \u0111ang sung huy\u1ebft.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Nguy c\u01a1 t\u1ed5n th\u01b0\u01a1ng m\u1eaft: Nh\u00ecn tr\u1ef1c ti\u1ebfp v\u00e0o ngu\u1ed3n tia h\u1ed3ng ngo\u1ea1i c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i gi\u00e1c m\u1ea1c, th\u1ee7y tinh th\u1ec3 v\u00e0 v\u00f5ng m\u1ea1c.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">L\u00e3o h\u00f3a da s\u1edbm: Tia h\u1ed3ng ngo\u1ea1i t\u1eeb \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y collagen, l\u00e0m da ch\u1ea3y x\u1ec7 v\u00e0 xu\u1ea5t hi\u1ec7n n\u1ebfp nh\u0103n.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ea5t n\u01b0\u1edbc v\u00e0 s\u1ed1c nhi\u1ec7t: Ti\u1ebfp x\u00fac nhi\u1ec7t k\u00e9o d\u00e0i c\u00f3 th\u1ec3 g\u00e2y m\u1ec7t m\u1ecfi, m\u1ea5t n\u01b0\u1edbc, \u0111\u1eb7c bi\u1ec7t nguy hi\u1ec3m v\u1edbi tr\u1ebb em v\u00e0 ng\u01b0\u1eddi cao tu\u1ed5i.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ed5n th\u01b0\u01a1ng da v\u00e0 m\u00f4: S\u1eed d\u1ee5ng qu\u00e1 li\u1ec1u ho\u1eb7c kh\u00f4ng ki\u1ec3m so\u00e1t th\u1eddi gian ti\u1ebfp x\u00fac d\u1ec5 g\u00e2y t\u1ed5n th\u01b0\u01a1ng l\u00e2u d\u00e0i.<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">So s\u00e1nh tia h\u1ed3ng ngo\u1ea1i v\u1edbi c\u00e1c lo\u1ea1i b\u1ee9c x\u1ea1 kh\u00e1c\u00a0<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1ed7i lo\u1ea1i b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb \u0111\u1ec1u c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 m\u1ee9c n\u0103ng l\u01b0\u1ee3ng kh\u00e1c nhau. B\u1ea3ng so s\u00e1nh d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng ph\u00e2n bi\u1ec7t tia h\u1ed3ng ngo\u1ea1i v\u1edbi c\u00e1c lo\u1ea1i b\u1ee9c x\u1ea1 ph\u1ed5 bi\u1ebfn kh\u00e1c:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Lo\u1ea1i b\u1ee9c x\u1ea1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u1ecb tr\u00ed trong ph\u1ed5 \u0111i\u1ec7n t\u1eeb<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u01b0\u1edbc s\u00f3ng (x\u1ea5p x\u1ec9)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng nh\u00ecn th\u1ea5y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u0103ng l\u01b0\u1ee3ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00e1c \u0111\u1ed9ng ch\u00ednh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng ti\u00eau bi\u1ec3u<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tia t\u1eed ngo\u1ea1i (UV)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ng\u1eafn h\u01a1n \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10 \u2013 400 nm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng nh\u00ecn th\u1ea5y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 g\u00e2y t\u1ed5n th\u01b0\u01a1ng da, ADN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u1eed tr\u00f9ng, y t\u1ebf, t\u1ed5ng h\u1ee3p vitamin D<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u00c1nh s\u00e1ng nh\u00ecn th\u1ea5y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1eefa UV v\u00e0 h\u1ed3ng ngo\u1ea1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">400 \u2013 700 nm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u00ecn th\u1ea5y b\u1eb1ng m\u1eaft<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Trung b\u00ecnh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cho ph\u00e9p quan s\u00e1t th\u1ebf gi\u1edbi xung quanh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Chi\u1ebfu s\u00e1ng, hi\u1ec3n th\u1ecb, nhi\u1ebfp \u1ea3nh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tia h\u1ed3ng ngo\u1ea1i (IR)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u00e0i h\u01a1n \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">700 nm \u2013 1 mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng nh\u00ecn th\u1ea5y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1ea5p h\u01a1n \u00e1nh s\u00e1ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Sinh nhi\u1ec7t, l\u00e0m \u1ea5m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Camera nhi\u1ec7t, \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa, y h\u1ecdc<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u00f3ng vi ba (Microwave)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u00e0i h\u01a1n h\u1ed3ng ngo\u1ea1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1 mm \u2013 1 m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng nh\u00ecn th\u1ea5y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u00e0m n\u00f3ng ph\u00e2n t\u1eed n\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u00f2 vi s\u00f3ng, radar, vi\u1ec5n th\u00f4ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u00f3ng v\u00f4 tuy\u1ebfn (Radio)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u00e0i nh\u1ea5t trong ph\u1ed5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&gt; 1 m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng nh\u00ecn th\u1ea5y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Truy\u1ec1n t\u00edn hi\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u00e1t thanh, truy\u1ec1n h\u00ecnh, GPS<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tia X<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ng\u1eafn h\u01a1n tia UV<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,01 \u2013 10 nm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng nh\u00ecn th\u1ea5y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Xuy\u00ean v\u1eadt ch\u1ea5t m\u1ea1nh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ea9n \u0111o\u00e1n h\u00ecnh \u1ea3nh, an ninh<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tia gamma (\u03b3)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ng\u1eafn nh\u1ea5t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt; 0,01 nm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng nh\u00ecn th\u1ea5y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ef1c cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u00e1 h\u1ee7y t\u1ebf b\u00e0o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110i\u1ec1u tr\u1ecb ung th\u01b0, nghi\u00ean c\u1ee9u h\u1ea1t nh\u00e2n<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u1eddi k\u1ebft<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tia h\u1ed3ng ngo\u1ea1i s\u1edf h\u1eefu d\u1ea3i b\u01b0\u1edbc s\u00f3ng r\u1ed9ng, tr\u1ea3i d\u00e0i t\u1eeb v\u00f9ng s\u00e1t \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y \u0111\u1ebfn g\u1ea7n s\u00f3ng vi ba, t\u1ea1o n\u00ean nhi\u1ec1u ph\u00e2n v\u00f9ng v\u1edbi \u0111\u1eb7c t\u00ednh v\u00e0 \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Vi\u1ec7c n\u1eafm r\u00f5 b\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i gi\u00fap ch\u00fang ta hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 b\u1ea3n ch\u1ea5t b\u1ee9c x\u1ea1 nhi\u1ec7t. \u0110\u1ed3ng th\u1eddi \u0111\u00e2y l\u00e0 l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng cho nghi\u00ean c\u1ee9u, \u0111o l\u01b0\u1eddng v\u00e0 \u1ee9ng d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng c\u0169ng nh\u01b0 k\u1ef9 thu\u1eadt.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tham kh\u1ea3o b\u00e0i vi\u1ebft li\u00ean quan:<\/span><\/p>\n<p><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/dau-la-smartphone-phat-nhieu-buc-xa-va-it-buc-xa-dien-thoai-nhat\/\">\u0110\u00e2u l\u00e0 smartphone ph\u00e1t nhi\u1ec1u b\u1ee9c x\u1ea1 v\u00e0 \u00edt b\u1ee9c x\u1ea1 \u0111i\u1ec7n tho\u1ea1i nh\u1ea5t?<\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/buc-xa-tu-tai-nghe-apple-airpods-cuc-nguy-hiem-doi-voi-suc-khoe\/\">B\u1ee9c x\u1ea1 t\u1eeb tai nghe Apple AirPods c\u1ef1c nguy hi\u1ec3m \u0111\u1ed1i v\u1edbi s\u1ee9c kho\u1ebb<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng gi\u00fap x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a tia h\u1ed3ng ngo\u1ea1i trong ph\u1ed5 \u0111i\u1ec7n t\u1eeb. Vi\u1ec7c hi\u1ec3u r\u00f5 b\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i kh\u00f4ng ch\u1ec9 gi\u00fap ph\u00e2n bi\u1ec7t lo\u1ea1i b\u1ee9c x\u1ea1 n\u00e0y v\u1edbi \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y hay s\u00f3ng vi ba m\u00e0 c\u00f2n l\u00e0m [&hellip;]<\/p>\n","protected":false},"author":102,"featured_media":523882,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29235,3910],"tags":[],"class_list":["post-523881","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>B\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i l\u00e0 g\u00ec? \u0110\u1eb7c \u0111i\u1ec3m, ph\u00e2n lo\u1ea1i v\u00e0 \u1ee9ng d\u1ee5ng<\/title>\n<meta name=\"description\" content=\"B\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i l\u00e0 \u0111\u1eb7c tr\u01b0ng quan tr\u1ecdng gi\u00fap x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed, t\u00ednh ch\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a tia h\u1ed3ng ngo\u1ea1i trong khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/buoc-song-tia-hong-ngoai\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"B\u01b0\u1edbc s\u00f3ng tia h\u1ed3ng ngo\u1ea1i l\u00e0 g\u00ec? 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