{"id":29983,"date":"2023-09-17T15:58:35","date_gmt":"2023-09-17T08:58:35","guid":{"rendered":"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi"},"modified":"2023-09-17T15:58:35","modified_gmt":"2023-09-17T08:58:35","slug":"laser-la-gi","status":"publish","type":"post","link":"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi","title":{"rendered":"Tia laser l\u00e0 g\u00ec v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3"},"content":{"rendered":"<p>Laser l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng t\u1eadp trung v\u00e0 ph\u00e2n t\u1eed k\u00edch th\u00edch \u0111\u1ec3 t\u1ea1o ra c\u00e1c v\u00f9ng \u00e1nh s\u00e1ng c\u1ef1c m\u1ea1nh. N\u00f3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 y h\u1ecdc, c\u00f4ng ngh\u1ec7 th\u00f4ng tin v\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u0169ng nh\u01b0 \u1ee9ng d\u1ee5ng c\u1ee7a c\u00f4ng ngh\u1ec7 laser.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_40 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\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-6ad0abd9469b4\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-6ad0abd9469b4\"><\/a><\/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:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#1_Dia_chi_nhan_hang_va_thoi_gian_giao_hang\" title=\"1. \u0110\u1ecba ch\u1ec9 nh\u1eadn h\u00e0ng v\u00e0 th\u1eddi gian giao h\u00e0ng\">1. \u0110\u1ecba ch\u1ec9 nh\u1eadn h\u00e0ng v\u00e0 th\u1eddi gian giao h\u00e0ng<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#Cach_nhap_dia_chi_nhan_hang\" title=\"C\u00e1ch nh\u1eadp \u0111\u1ecba ch\u1ec9 nh\u1eadn h\u00e0ng:\">C\u00e1ch nh\u1eadp \u0111\u1ecba ch\u1ec9 nh\u1eadn h\u00e0ng:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#Thoi_gian_giao_hang\" title=\"Th\u1eddi gian giao h\u00e0ng:\">Th\u1eddi gian giao h\u00e0ng:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#2_Tia_laser_la_gi\" title=\"2. Tia laser l\u00e0 g\u00ec?\">2. Tia laser l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#Cau_tao_cua_tia_laser\" title=\"C\u1ea5u t\u1ea1o c\u1ee7a tia laser:\">C\u1ea5u t\u1ea1o c\u1ee7a tia laser:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#Nguyen_tac_phat_tia_laser\" title=\"Nguy\u00ean t\u1eafc ph\u00e1t tia laser:\">Nguy\u00ean t\u1eafc ph\u00e1t tia laser:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#3_Cau_tao_va_nguyen_tac_phat_tia_laser\" title=\"3. C\u1ea5u t\u1ea1o v\u00e0 nguy\u00ean t\u1eafc ph\u00e1t tia laser\">3. C\u1ea5u t\u1ea1o v\u00e0 nguy\u00ean t\u1eafc ph\u00e1t tia laser<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#Cau_tao_cua_mot_thiet_bi_laser\" title=\"C\u1ea5u t\u1ea1o c\u1ee7a m\u1ed9t thi\u1ebft b\u1ecb laser\">C\u1ea5u t\u1ea1o c\u1ee7a m\u1ed9t thi\u1ebft b\u1ecb laser<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#Nguyen_tac_phat_tia_laser-2\" title=\"Nguy\u00ean t\u1eafc ph\u00e1t tia laser\">Nguy\u00ean t\u1eafc ph\u00e1t tia laser<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#4_Cac_loai_tia_laser\" title=\"4. C\u00e1c lo\u1ea1i tia laser\">4. C\u00e1c lo\u1ea1i tia laser<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#Tia_laser_lien_tuc_Continuous_Wave_-_CW\" title=\"Tia laser li\u00ean t\u1ee5c (Continuous Wave &#8211; CW)\">Tia laser li\u00ean t\u1ee5c (Continuous Wave &#8211; CW)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#Tia_laser_xung_Pulsed_Laser\" title=\"Tia laser xung (Pulsed Laser)\">Tia laser xung (Pulsed Laser)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#5_Tac_dung_cua_tia_laser_trong_doi_song\" title=\"5. T\u00e1c d\u1ee5ng c\u1ee7a tia laser trong \u0111\u1eddi s\u1ed1ng\">5. T\u00e1c d\u1ee5ng c\u1ee7a tia laser trong \u0111\u1eddi s\u1ed1ng<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#Ung_dung_y_khoa\" title=\"\u1ee8ng d\u1ee5ng y khoa\">\u1ee8ng d\u1ee5ng y khoa<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#Ung_dung_cong_nghiep\" title=\"\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p\">\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#6_Tac_hai_cua_tia_laser_va_cac_luu_y_khi_su_dung\" title=\"6. T\u00e1c h\u1ea1i c\u1ee7a tia laser v\u00e0 c\u00e1c l\u01b0u \u00fd khi s\u1eed d\u1ee5ng\">6. T\u00e1c h\u1ea1i c\u1ee7a tia laser v\u00e0 c\u00e1c l\u01b0u \u00fd khi s\u1eed d\u1ee5ng<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#Tac_hai_cua_tia_laser\" title=\"T\u00e1c h\u1ea1i c\u1ee7a tia laser\">T\u00e1c h\u1ea1i c\u1ee7a tia laser<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/laser-la-gi\/#Luu_y_khi_su_dung_tia_laser\" title=\"L\u01b0u \u00fd khi s\u1eed d\u1ee5ng tia laser\">L\u01b0u \u00fd khi s\u1eed d\u1ee5ng tia laser<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Dia_chi_nhan_hang_va_thoi_gian_giao_hang\"><\/span>1. \u0110\u1ecba ch\u1ec9 nh\u1eadn h\u00e0ng v\u00e0 th\u1eddi gian giao h\u00e0ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi mua h\u00e0ng tr\u1ef1c tuy\u1ebfn, vi\u1ec7c cung c\u1ea5p \u0111\u1ecba ch\u1ec9 nh\u1eadn h\u00e0ng ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c giao h\u00e0ng th\u00e0nh c\u00f4ng. \u0110\u1ecba ch\u1ec9 nh\u1eadn h\u00e0ng bao g\u1ed3m s\u1ed1 nh\u00e0, t\u00ean \u0111\u01b0\u1eddng, ph\u01b0\u1eddng\/x\u00e3, qu\u1eadn\/huy\u1ec7n v\u00e0 t\u1ec9nh\/th\u00e0nh ph\u1ed1. Ngo\u00e0i ra, c\u1ea7n cung c\u1ea5p s\u1ed1 \u0111i\u1ec7n tho\u1ea1i li\u00ean l\u1ea1c \u0111\u1ec3 ti\u1ec7n cho vi\u1ec7c li\u00ean h\u1ec7 trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n thi\u1ebft.<\/p>\n<p>Th\u1eddi gian giao h\u00e0ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean ph\u01b0\u01a1ng th\u1ee9c v\u1eadn chuy\u1ec3n v\u00e0 kho\u1ea3ng c\u00e1ch t\u1eeb n\u01a1i b\u00e1n h\u00e0ng \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 nh\u1eadn h\u00e0ng. Th\u00f4ng th\u01b0\u1eddng, c\u00e1c website mua s\u1eafm tr\u1ef1c tuy\u1ebfn s\u1ebd th\u00f4ng b\u00e1o th\u1eddi gian \u01b0\u1edbc t\u00ednh \u0111\u1ec3 kh\u00e1ch h\u00e0ng bi\u1ebft khi n\u00e0o c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cach_nhap_dia_chi_nhan_hang\"><\/span>C\u00e1ch nh\u1eadp \u0111\u1ecba ch\u1ec9 nh\u1eadn h\u00e0ng:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>Nh\u1eadp s\u1ed1 nh\u00e0: v\u00ed d\u1ee5 123<\/li>\n<li>Nh\u1eadp t\u00ean \u0111\u01b0\u1eddng: v\u00ed d\u1ee5 Nguy\u1ec5n V\u0103n A<\/li>\n<li>Ch\u1ecdn ph\u01b0\u1eddng\/x\u00e3: v\u00ed d\u1ee5 Ph\u01b0\u1eddng 1<\/li>\n<li>Ch\u1ecdn qu\u1eadn\/huy\u1ec7n: v\u00ed d\u1ee5 Qu\u1eadn B\u00ecnh Th\u1ea1nh<\/li>\n<li>Ch\u1ecdn t\u1ec9nh\/th\u00e0nh ph\u1ed1: v\u00ed d\u1ee5 TP.HCM<\/li>\n<li>Nh\u1eadp s\u1ed1 \u0111i\u1ec7n tho\u1ea1i li\u00ean l\u1ea1c: v\u00ed d\u1ee5 0987654321<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Thoi_gian_giao_hang\"><\/span>Th\u1eddi gian giao h\u00e0ng:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Giao h\u00e0ng trong v\u00f2ng 1-2 ng\u00e0y l\u00e0m vi\u1ec7c<\/li>\n<li>Giao h\u00e0ng trong v\u00f2ng 3-5 ng\u00e0y l\u00e0m vi\u1ec7c<\/li>\n<li>Giao h\u00e0ng trong v\u00f2ng 7-10 ng\u00e0y l\u00e0m vi\u1ec7c<\/li>\n<li>Giao h\u00e0ng theo th\u1ecfa thu\u1eadn tr\u01b0\u1edbc \u0111\u00f3 gi\u1eefa ng\u01b0\u1eddi b\u00e1n v\u00e0 ng\u01b0\u1eddi mua<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"2_Tia_laser_la_gi\"><\/span>2. Tia laser l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Tia laser (Light Amplification by Stimulated Emission of Radiation) l\u00e0 m\u1ed9t d\u1ea1ng \u00e1nh s\u00e1ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi ho\u1eb7c \u0111\u00e8n hu\u1ef3nh quang, nh\u01b0ng c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 cao h\u01a1n v\u00e0 t\u1eadp trung trong m\u1ed9t ph\u1ed5 m\u00e0u h\u1eb9p. Tia laser \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch k\u00edch th\u00edch c\u00e1c ph\u00e2n t\u1eed hay nguy\u00ean t\u1eed \u0111\u1ec3 ch\u00fang ph\u00e1t ra \u00e1nh s\u00e1ng th\u00f4ng qua hi\u1ec7n t\u01b0\u1ee3ng ph\u00e1t x\u1ea1 k\u00edch th\u00edch.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cau_tao_cua_tia_laser\"><\/span>C\u1ea5u t\u1ea1o c\u1ee7a tia laser:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tia laser \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb m\u1ed9t m\u00e1y ph\u00e1t laser, g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh sau:<\/p>\n<ol>\n<li>Ngu\u1ed3n cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng: \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho qu\u00e1 tr\u00ecnh ph\u00e1t x\u1ea1 k\u00edch th\u00edch.<\/li>\n<li>Ph\u01b0\u01a1ng ti\u1ec7n k\u00edch th\u00edch: l\u00e0 c\u00e1c ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng k\u00edch th\u00edch ph\u00e1t x\u1ea1, nh\u01b0 c\u00e1c lo\u1ea1i kim lo\u1ea1i ho\u1eb7c kh\u00ed hi\u1ebfm.<\/li>\n<li>\u1ed0ng ph\u00e1t x\u1ea1: l\u00e0 n\u01a1i t\u1ea1o ra s\u1ef1 t\u1eadp trung \u00e1nh s\u00e1ng v\u00e0 gia t\u0103ng \u0111\u1ed9 s\u00e1ng c\u1ee7a tia laser.<\/li>\n<li>G\u01b0\u01a1ng ph\u1ea3n x\u1ea1: \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf hai \u0111\u1ea7u c\u1ee7a \u1ed1ng ph\u00e1t x\u1ea1 \u0111\u1ec3 t\u1ea1o ra hi\u1ec7u \u1ee9ng ph\u1ea3n x\u1ea1 v\u00e0 t\u1eadp trung \u00e1nh s\u00e1ng v\u00e0o m\u1ed9t h\u01b0\u1edbng duy nh\u1ea5t.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Nguyen_tac_phat_tia_laser\"><\/span>Nguy\u00ean t\u1eafc ph\u00e1t tia laser:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tia laser \u0111\u01b0\u1ee3c t\u1ea1o ra d\u1ef1a tr\u00ean nguy\u00ean l\u00fd &#8220;ph\u00e1t x\u1ea1 k\u00edch th\u00edch&#8221;. Khi m\u1ed9t ch\u1ea5t b\u1ecb k\u00edch th\u00edch b\u1eb1ng \u00e1nh s\u00e1ng ho\u1eb7c \u0111i\u1ec7n, c\u00e1c electron trong ch\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1ea9y l\u00ean m\u1ee9c n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n. Khi c\u00e1c electron tr\u1edf v\u1ec1 m\u1ee9c n\u0103ng l\u01b0\u1ee3ng ban \u0111\u1ea7u, ch\u00fang ph\u00e1t ra \u00e1nh s\u00e1ng c\u00f3 c\u00f9ng m\u1ee9c n\u0103ng l\u01b0\u1ee3ng. Qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra trong \u1ed1ng ph\u00e1t x\u1ea1 v\u00e0 \u0111\u01b0\u1ee3c gia t\u0103ng qua hi\u1ec7u \u1ee9ng ph\u1ea3n x\u1ea1 c\u1ee7a g\u01b0\u01a1ng ph\u1ea3n x\u1ea1, t\u1ea1o ra tia laser c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 cao v\u00e0 h\u01b0\u1edbng \u0111i ch\u00ednh x\u00e1c.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_Cau_tao_va_nguyen_tac_phat_tia_laser\"><\/span>3. C\u1ea5u t\u1ea1o v\u00e0 nguy\u00ean t\u1eafc ph\u00e1t tia laser<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" alt=\"3. C\u1ea5u t\u1ea1o v\u00e0 nguy\u00ean t\u1eafc ph\u00e1t tia laser\" src=\"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-content\/uploads\/2023\/09\/tia_laser_la_gi_va_ung_dung_cua_no.jpeg\" style=\"text-align: center; clear: both; display: block; margin: 0 auto;\" title=\"3. C\u1ea5u t\u1ea1o v\u00e0 nguy\u00ean t\u1eafc ph\u00e1t tia laser\"\/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cau_tao_cua_mot_thiet_bi_laser\"><\/span>C\u1ea5u t\u1ea1o c\u1ee7a m\u1ed9t thi\u1ebft b\u1ecb laser<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t thi\u1ebft b\u1ecb laser bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh nh\u01b0 ngu\u1ed3n cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng, m\u1ed9t m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng, m\u1ed9t k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng \u0111\u1eb7c bi\u1ec7t c\u1ee7a m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng, v\u00e0 hai g\u01b0\u01a1ng ph\u1ea3n x\u1ea1. Ngu\u1ed3n cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng c\u00f3 th\u1ec3 l\u00e0 \u0111i\u1ec7n \u00e1p ho\u1eb7c \u00e1nh s\u00e1ng t\u1eeb m\u1ed9t ngu\u1ed3n kh\u00e1c. M\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng c\u00f3 th\u1ec3 l\u00e0 ch\u1ea5t r\u1eafn, ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed. Khi \u0111\u01b0\u1ee3c k\u00edch th\u00edch b\u1eb1ng ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng, c\u00e1c h\u1ea1t trong m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng s\u1ebd chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng th\u00e0nh tia laser th\u00f4ng qua qu\u00e1 tr\u00ecnh ph\u00e1t x\u1ea1.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nguyen_tac_phat_tia_laser-2\"><\/span>Nguy\u00ean t\u1eafc ph\u00e1t tia laser<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nguy\u00ean t\u1eafc ph\u00e1t tia laser d\u1ef1a tr\u00ean hi\u1ec7n t\u01b0\u1ee3ng t\u1ecfa s\u00e1ng k\u00edch th\u00edch (stimulated emission). Khi c\u00e1c h\u1ea1t trong m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng nh\u1eadn \u0111\u01b0\u1ee3c n\u0103ng l\u01b0\u1ee3ng t\u1eeb ngu\u1ed3n k\u00edch th\u00edch, ch\u00fang s\u1ebd ti\u1ebfp t\u1ee5c lan t\u1ecfa n\u0103ng l\u01b0\u1ee3ng n\u00e0y trong c\u00f9ng m\u1ed9t pha v\u00e0 h\u01b0\u1edbng di chuy\u1ec3n. Qu\u00e1 tr\u00ecnh n\u00e0y t\u1ea1o ra m\u1ed9t tia s\u00e1ng c\u00f3 \u0111\u1eb7c t\u00ednh \u0111\u1eb7c bi\u1ec7t, nh\u01b0 h\u01b0\u1edbng di chuy\u1ec3n th\u1eb3ng, t\u1ea7n s\u1ed1 v\u00e0 b\u01b0\u1edbc s\u00f3ng c\u1ed1 \u0111\u1ecbnh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_Cac_loai_tia_laser\"><\/span>4. C\u00e1c lo\u1ea1i tia laser<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Tia_laser_lien_tuc_Continuous_Wave_-_CW\"><\/span>Tia laser li\u00ean t\u1ee5c (Continuous Wave &#8211; CW)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tia laser li\u00ean t\u1ee5c l\u00e0 lo\u1ea1i tia laser \u0111\u01b0\u1ee3c ph\u00e1t ra m\u1ed9t c\u00e1ch li\u00ean t\u1ee5c trong th\u1eddi gian d\u00e0i. Tia n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng y khoa nh\u01b0 ph\u1eabu thu\u1eadt laser ho\u1eb7c \u0111i\u1ec1u tr\u1ecb da. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p \u0111\u1ec3 c\u1eaft, h\u00e0n ho\u1eb7c kh\u1eafc c\u00e1c v\u1eadt li\u1ec7u.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tia_laser_xung_Pulsed_Laser\"><\/span>Tia laser xung (Pulsed Laser)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tia laser xung l\u00e0 lo\u1ea1i tia laser \u0111\u01b0\u1ee3c ph\u00e1t ra theo c\u00e1c xung ng\u1eafn v\u00e0 c\u00f3 th\u1eddi gian ngh\u1ec9 gi\u1eefa c\u00e1c xung. Lo\u1ea1i tia n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u1eadt li\u1ec7u, vi\u1ec5n th\u00f4ng quang h\u1ecdc v\u00e0 khoa h\u1ecdc v\u0169 tr\u1ee5.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Tac_dung_cua_tia_laser_trong_doi_song\"><\/span>5. T\u00e1c d\u1ee5ng c\u1ee7a tia laser trong \u0111\u1eddi s\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Ung_dung_y_khoa\"><\/span>\u1ee8ng d\u1ee5ng y khoa<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tia laser \u0111\u00e3 c\u00f3 nh\u1eefng \u0111\u00f3ng g\u00f3p quan tr\u1ecdng trong l\u0129nh v\u1ef1c y khoa. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u1eabu thu\u1eadt laser \u0111\u1ec3 c\u1eaft, h\u00e0n ho\u1eb7c lo\u1ea1i b\u1ecf c\u00e1c m\u00f4 v\u00e0 t\u1ebf b\u00e0o kh\u00f4ng mong mu\u1ed1n. Ngo\u00e0i ra, tia laser c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec1u tr\u1ecb da nh\u01b0 l\u00e0m m\u1edd n\u00e1m, x\u00f3a s\u1eb9o v\u00e0 tri\u1ec7t l\u00f4ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ung_dung_cong_nghiep\"><\/span>\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tia laser c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p \u0111\u1ec3 c\u1eaft kim lo\u1ea1i, h\u00e0n ho\u1eb7c kh\u1eafc c\u00e1c v\u1eadt li\u1ec7u. V\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c nhanh ch\u00f3ng, tia laser \u0111\u00e3 tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 quan tr\u1ecdng trong s\u1ea3n xu\u1ea5t v\u00e0 gia c\u00f4ng c\u00e1c s\u1ea3n ph\u1ea9m c\u00f4ng nghi\u1ec7p.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Tac_hai_cua_tia_laser_va_cac_luu_y_khi_su_dung\"><\/span>6. T\u00e1c h\u1ea1i c\u1ee7a tia laser v\u00e0 c\u00e1c l\u01b0u \u00fd khi s\u1eed d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" alt=\"6. T\u00e1c h\u1ea1i c\u1ee7a tia laser v\u00e0 c\u00e1c l\u01b0u \u00fd khi s\u1eed d\u1ee5ng\" src=\"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-content\/uploads\/2023\/09\/tia_laser_la_gi_va_ung_dung_cua_no-1.jpeg\" style=\"text-align: center; clear: both; display: block; margin: 0 auto;\" title=\"6. T\u00e1c h\u1ea1i c\u1ee7a tia laser v\u00e0 c\u00e1c l\u01b0u \u00fd khi s\u1eed d\u1ee5ng\"\/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tac_hai_cua_tia_laser\"><\/span>T\u00e1c h\u1ea1i c\u1ee7a tia laser<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tia laser c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n th\u01b0\u01a1ng cho m\u1eaft v\u00e0 da n\u1ebfu ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp ho\u1eb7c qua ph\u1ea3n x\u1ea1 t\u1eeb b\u1ec1 m\u1eb7t ph\u1ea3n chi\u1ebfu. Vi\u1ec7c nh\u00ecn th\u1eb3ng v\u00e0o tia laser c\u00f3 th\u1ec3 g\u00e2y ch\u00e1y v\u00f5ng m\u1ea1c v\u00e0 g\u00e2y m\u00f9 l\u00f2a. Ti\u1ebfp x\u00fac v\u1edbi da c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng ho\u1eb7c t\u1ed5n th\u01b0\u01a1ng nghi\u00eam tr\u1ecdng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Luu_y_khi_su_dung_tia_laser\"><\/span>L\u01b0u \u00fd khi s\u1eed d\u1ee5ng tia laser<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi s\u1eed d\u1ee5ng tia laser, c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n nh\u01b0 \u0111eo k\u00ednh b\u1ea3o v\u1ec7 m\u1eaft, tr\u00e1nh chi\u1ebfu tia v\u00e0o da v\u00e0 kh\u00f4ng nh\u00ecn th\u1eb3ng v\u00e0o ngu\u1ed3n tia. Ngo\u00e0i ra, c\u1ea7n l\u01b0u \u00fd kh\u00f4ng s\u1eed d\u1ee5ng tia laser trong m\u00f4i tr\u01b0\u1eddng c\u00f3 kh\u00ed gas ch\u00e1y ho\u1eb7c d\u1ec5 ch\u00e1y \u0111\u1ec3 tr\u00e1nh nguy c\u01a1 g\u00e2y h\u1ecfa ho\u1ea1n.<\/p>\n<p>Laser l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng t\u1eadp trung \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c \u1ee9ng d\u1ee5ng r\u1ea5t \u0111a d\u1ea1ng, t\u1eeb y h\u1ecdc, khoa h\u1ecdc cho \u0111\u1ebfn c\u00f4ng nghi\u1ec7p. V\u1edbi kh\u1ea3 n\u0103ng ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u su\u1ea5t cao, laser \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c v\u00e0 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n \u0111\u1ec3 mang l\u1ea1i nh\u1eefng ti\u1ec1m n\u0103ng l\u1edbn trong t\u01b0\u01a1ng lai.<br \/>\n<iframe loading=\"lazy\" title=\"Charles Townes - \u201cCha \u0110\u1ebb\u201d Tia Laser V\u00e0 Ph\u00e1t Minh V\u0129 \u0110\u1ea1i C\u1ee7a Th\u1ebf K\u1ef7 20\" width=\"790\" height=\"444\" src=\"https:\/\/www.youtube.com\/embed\/9MUSV540RRM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Laser l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng t\u1eadp trung v\u00e0 ph\u00e2n t\u1eed k\u00edch th\u00edch \u0111\u1ec3 t\u1ea1o ra c\u00e1c v\u00f9ng \u00e1nh s\u00e1ng c\u1ef1c m\u1ea1nh&#8230;. <\/p>\n","protected":false},"author":1,"featured_media":29981,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-29983","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-khai-niem-1"],"_links":{"self":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/29983","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/comments?post=29983"}],"version-history":[{"count":0,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/29983\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/media\/29981"}],"wp:attachment":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/media?parent=29983"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/categories?post=29983"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/tags?post=29983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}