{"id":5814,"date":"2021-11-20T09:58:57","date_gmt":"2021-11-20T02:58:57","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=5814"},"modified":"2021-11-20T13:24:19","modified_gmt":"2021-11-20T06:24:19","slug":"phep-chup-anh-giao-thoa-laze-la-gi","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/phep-chup-anh-giao-thoa-laze-la-gi\/","title":{"rendered":"Ph\u00e9p ch\u1ee5p \u1ea3nh giao thoa laze l\u00e0 g\u00ec?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ph\u00e9p ch\u1ee5p \u1ea3nh giao thoa laze c\u00f2n g\u1ecdi l\u00e0 ph\u00e9p to\u00e0n k\u00ed, l\u00e0 m\u1ed9t lo\u1ea1i k\u0129 thu\u1eadt ch\u1ee5p \u1ea3nh m\u1edbi m\u1ebb, nhanh ch\u00f3ng ph\u00e1t tri\u1ec3n trong 40 n\u0103m qua. Lo\u1ea1i k\u0129 thu\u1eadt n\u00e0y so v\u1edbi k\u0129 thu\u1eadt ch\u1ee5p \u1ea3nh th\u00f4ng th\u01b0\u1eddng, v\u1ec1 m\u1eb7t nguy\u00ean l\u00ed c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t c\u0103n b\u1ea3n. K\u0129 thu\u1eadt ch\u1ee5p \u1ea3nh th\u00f4ng th\u01b0\u1eddng l\u1ee3i d\u1ee5ng nguy\u00ean l\u00ed h\u00ecnh th\u00e0nh \u1ea3nh c\u1ee7a th\u1ea5u k\u00ednh l\u1ed3i, ghi l\u1ea1i c\u01b0\u1eddng \u0111\u1ed9 s\u00f3ng \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 c\u1ee7a v\u1eadt th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ee5p \u1ea3nh l\u00ean phim. V\u00ec v\u1eady t\u1ea5m \u1ea3nh m\u00e0 ch\u00fang ta tr\u00f4ng th\u1ea5y l\u00e0 m\u1ed9t t\u1edd tranh \u1ea3nh m\u1eb7t ph\u1eb3ng. C\u00f2n ch\u1ee5p \u1ea3nh giao thoa laze l\u1ea1i ho\u00e0n to\u00e0n kh\u00e1c. Ch\u1eb3ng nh\u1eefng n\u00f3 ghi \u0111\u01b0\u1ee3c c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 c\u1ee7a v\u1eadt th\u1ec3 ch\u1ee5p \u1ea3nh, m\u00e0 c\u00f2n ghi \u0111\u01b0\u1ee3c to\u00e0n b\u1ed9 th\u00f4ng tin trong s\u00f3ng \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1, v\u00e0 c\u00f3 th\u1ec3 b\u00e0y m\u1ed9t t\u1edd tranh \u1ea3nh l\u1eadp th\u1ec3 ba chi\u1ec1u tr\u01b0\u1edbc m\u1eaft ng\u01b0\u1eddi xem, th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p \u0111\u1eb7c th\u00f9. Th\u1ebf th\u00ec ph\u00e9p ch\u1ee5p \u1ea3nh giao thoa laze r\u1ed1t cu\u1ed9c l\u00e0 g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e9p ch\u1ee5p \u1ea3nh n\u00e0y g\u1eafn ch\u1eb7t v\u1edbi laze. Trong h\u00ecnh v\u1ebd d\u01b0\u1edbi \u0111\u00e2y l\u00e0 s\u01a1 \u0111\u1ed3 b\u1ed1 tr\u00ed c\u1ee7a ph\u00e9p ch\u1ee5p \u1ea3nh giao thoa laze.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ch\u00f9m tia laze qua thi\u1ebft b\u1ecb ph\u00e2n ch\u00f9m chia th\u00e0nh hai ch\u00f9m. M\u1ed9t ch\u00f9m sau khi ph\u1ea3n x\u1ea1 qua m\u1eb7t k\u00ednh chi\u1ebfu l\u00ean phim, g\u1ecdi l\u00e0 ch\u00f9m tia s\u00e1ng tham kh\u1ea3o; c\u00f2n m\u1ed9t ch\u00f9m kia sau khi ph\u1ea3n x\u1ea1 qua v\u1eadt th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ee5p r\u1ed3i chi\u1ebfu l\u00ean phim, g\u1ecdi l\u00e0 ch\u00f9m tia s\u00e1ng c\u1ee7a v\u1eadt th\u1ec3. Hai ch\u00f9m tia s\u00e1ng h\u00ecnh th\u00e0nh hoa v\u0103n giao thoa tr\u00ean phim. Phim c\u1ea3m quang nh\u01b0 th\u1ebf \u1ea5y l\u00e0 t\u1ea5m \u1ea3nh giao thoa laze. M\u1eaft ng\u01b0\u1eddi nh\u00ecn tr\u1ef1c ti\u1ebfp v\u00e0o \u1ea3nh lo\u1ea1i n\u00e0y ch\u1ec9 c\u00f3 th\u1ec3 tr\u00f4ng th\u1ea5y nh\u1eefng hoa v\u0103n giao thoa gi\u1ed1ng nh\u01b0 v\u00e2n tay v\u1eady. Song n\u1ebfu d\u00f9ng laze chi\u1ebfu r\u1ecdi n\u00f3, m\u1eaft ng\u01b0\u1eddi xuy\u00ean qua phim c\u00f3 th\u1ec3 tr\u00f4ng th\u1ea5y \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c ch\u1ee5p \u1ea3nh l\u00fac \u0111\u1ea7u. H\u00ecnh \u1ea3nh c\u1ee7a b\u1ee9c \u1ea3nh giao thoa laze c\u1ef1c k\u00ec gi\u1ed1ng, c\u1ea3m gi\u00e1c l\u1eadp th\u1ec3 m\u1ea1nh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u0129 thu\u1eadt ch\u1ee5p \u1ea3nh giao thoa laze do nh\u00e0 khoa h\u1ecdc D. Gabor, trong khi ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed thu\u1ed9c m\u1ed9t c\u00f4ng ti c\u1ee7a Anh, ph\u00e1t minh ra. V\u00ec th\u1ebf, n\u0103m 1971, \u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c gi\u1ea3i Nobel v\u1ec1 v\u1eadt l\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu x\u00e9 tan m\u1ed9t t\u1ea5m \u1ea3nh giao thoa laze, b\u1ea5t k\u00ec m\u1ed9t mi\u1ebfng v\u1ee5n n\u00e0o trong \u0111\u00f3 c\u0169ng c\u00f3 th\u1ec3 hi\u1ec7n l\u1ea1i \u1ea3nh l\u1eadp th\u1ec3 c\u1ee7a to\u00e0n b\u1ed9 c\u1ea3nh v\u1eadt. L\u01b0\u1ee3ng th\u00f4ng tin c\u1ee7a ph\u00e9p ch\u1ee5p \u1ea3nh giao thoa laze l\u1edbn h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi ph\u00e9p ch\u1ee5p \u1ea3nh th\u00f4ng th\u01b0\u1eddng. Ch\u1ec9 c\u1ea7n m\u1ed7i khi l\u1ed9 s\u00e1ng, thay \u0111\u1ed5i m\u1ed9t ch\u00fat \u0111\u1ed9 g\u00f3c c\u1ee7a phim ch\u1ee5p \u1ea3nh l\u00e0 c\u00f3 th\u1ec3 \u0111\u1ed3ng th\u1eddi ghi l\u1ea1i nhi\u1ec1u h\u00ecnh \u1ea3nh tr\u00ean c\u00f9ng m\u1ed9t t\u1ea5m phim. L\u1ee3i d\u1ee5ng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y, to\u00e0n b\u1ed9 s\u00e1ch M\u01b0\u1eddi v\u1ea1n c\u00e2u h\u1ecfi v\u00ec sao c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ee5p l\u00ean c\u00f9ng m\u1ed9t t\u1ea5m phim.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e9p ch\u1ee5p \u1ea3nh giao thoa laze \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng ng\u00e0y c\u00e0ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c khoa h\u1ecdc k\u0129 thu\u1eadt. L\u1ee3i d\u1ee5ng k\u00ednh hi\u1ec3n vi giao thoa laze, c\u00f3 th\u1ec3 ch\u1ee5p \u1ea3nh tr\u1ef1c ti\u1ebfp c\u00e1c sinh v\u1eadt s\u1ed1ng, nghi\u00ean c\u1ee9u s\u00f3ng xung k\u00edch khi kh\u00ed c\u1ee5 bay \u0111ang bay. K\u0129 thu\u1eadt ch\u1ee5p \u1ea3nh giao thoa laze c\u1ea7u v\u1ed3ng, d\u01b0\u1edbi s\u1ef1 chi\u1ebfu s\u00e1ng c\u1ee7a \u00e1nh M\u1eb7t Tr\u1eddi, c\u00f2n c\u00f3 th\u1ec3 t\u00e1i hi\u1ec7n h\u00ecnh \u1ea3nh l\u1eadp th\u1ec3 c\u1ee7a v\u1eadt th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ee5p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u0129 thu\u1eadt giao thoa laze \u00e9p khu\u00f4n \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n trong nh\u1eefng n\u0103m 70 c\u1ee7a th\u1ebf k\u1ec9 XX. N\u00f3 \u0111\u00e3 gi\u1ea3i quy\u1ebft m\u1ed9t c\u00e1ch th\u00e0nh c\u00f4ng v\u1ea5n \u0111\u1ec1 s\u1ea3n xu\u1ea5t \u0111\u1ea1i tr\u00e0 c\u1ee7a \u1ea3nh giao thoa laze. H\u00ecnh \u1ea3nh giao thoa laze \u00e9p khu\u00f4n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 l\u00e0m ra c\u00e1c qu\u1ea3ng c\u00e1o h\u00e0ng ho\u00e1, trang tr\u00ed danh thi\u1ebfp, th\u1ebb t\u00edn d\u1ee5ng, phong b\u00ec c\u00f3 tem, thi\u1ebfp m\u1eebng ng\u00e0y l\u1ec5 v\u00e0 qu\u00e0 t\u1eb7ng v.v. T\u00e1c d\u1ee5ng ch\u1ed1ng l\u00e0m gi\u1ea3 nh\u00e3n m\u00e1c h\u00e0ng ho\u00e1 c\u1ee7a giao thoa \u00e9p khu\u00f4n c\u00e0ng tr\u1edf th\u00e0nh &#8220;l\u00e1 b\u00f9a h\u1ed9 m\u1ec7nh&#8221; c\u1ee7a nh\u1eefng s\u1ea3n ph\u1ea9m n\u1ed5i ti\u1ebfng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kho\u00e1: Ph\u00e9p ch\u1ee5p \u1ea3nh giao thoa laze. Giao thoa laze c\u1ea7u v\u1ed3ng; Giao<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ph\u00e9p ch\u1ee5p \u1ea3nh giao thoa laze c\u00f2n g\u1ecdi l\u00e0 ph\u00e9p to\u00e0n k\u00ed, l\u00e0 m\u1ed9t lo\u1ea1i k\u0129 thu\u1eadt ch\u1ee5p \u1ea3nh m\u1edbi m\u1ebb, nhanh ch\u00f3ng ph\u00e1t tri\u1ec3n trong 40 n\u0103m qua. Lo\u1ea1i k\u0129 thu\u1eadt n\u00e0y so v\u1edbi k\u0129 thu\u1eadt ch\u1ee5p \u1ea3nh th\u00f4ng th\u01b0\u1eddng, v\u1ec1 m\u1eb7t nguy\u00ean l\u00ed c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t c\u0103n b\u1ea3n. K\u0129 thu\u1eadt ch\u1ee5p \u1ea3nh [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,7],"tags":[],"class_list":["post-5814","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5814","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=5814"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5814\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}