{"id":8286,"date":"2018-03-04T15:52:10","date_gmt":"2018-03-04T08:52:10","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=8286"},"modified":"2018-03-04T16:18:45","modified_gmt":"2018-03-04T09:18:45","slug":"cac-nha-khoa-hoc-da-tim-ra-cach-ung-dung-anh-sang-vao-cong-nghe","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/cac-nha-khoa-hoc-da-tim-ra-cach-ung-dung-anh-sang-vao-cong-nghe\/","title":{"rendered":"C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u00ecm ra c\u00e1ch \u1ee9ng d\u1ee5ng \u00e1nh s\u00e1ng v\u00e0o c\u00f4ng ngh\u1ec7"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/khoahocvacongnghevietnam.com.vn\/images\/stories\/thang-2-2018\/62-cac.jpg\" alt=\"62 cac\" \/><strong><br \/>\n<\/strong><\/p>\n<p>S\u1ef1 ph\u00e1t tri\u1ec3n n\u00e0y c\u00f3 th\u1ec3 m\u1edf ra con \u0111\u01b0\u1eddng cho c\u00e1c c\u00f4ng ngh\u1ec7 d\u1ef1a v\u00e0o \u00e1nh s\u00e1ng \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 truy\u1ec1n th\u00f4ng tin, bao g\u1ed3m m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed.<\/p>\n<p>T\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng trong ch\u00e2n kh\u00f4ng l\u00e0 m\u1ed9t h\u1eb1ng s\u1ed1 v\u1eadt l\u00fd ph\u1ed5 qu\u00e1t, nh\u01b0ng c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u00ecm ra c\u00e1ch \u0111\u1ec3 kh\u00f4ng ch\u1ec9 thay \u0111\u1ed5i gi\u00e1 tr\u1ecb c\u1ee7a t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng m\u00e0 c\u00f2n l\u00e0m cho \u00e1nh s\u00e1ng h\u1ee3p nh\u1ea5t v\u00e0o m\u1ed9t &#8220;\u0111i\u1ec3m ngo\u1ea1i l\u1ec7&#8221; v\u00e0 d\u1eebng ho\u00e0n to\u00e0n.<\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p l\u00e0m ch\u1eadm \u00e1nh s\u00e1ng n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 v\u1eadt l\u00fd Tamar Goldzak v\u00e0 Nimrod Moiseyev c\u1ee7a Vi\u1ec7n c\u00f4ng ngh\u1ec7 Israel c\u00f9ng v\u1edbi Alexei A. Mailybaev thu\u1ed9c Vi\u1ec7n nghi\u00ean c\u1ee9u Matem\u00e1tica Pura Aplicada (Brazil) \u0111\u01b0a ra.<\/p>\n<p>Theo m\u1ed9t b\u00e1o c\u00e1o c\u1ee7a Science Alert, &#8220;\u0111i\u1ec3m ngo\u1ea1i l\u1ec7&#8221; l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef to\u00e1n h\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 \u0111\u1eb7c t\u00ednh c\u1ee7a c\u00e1c s\u00f3ng kh\u00e1c nhau trong c\u00e1c t\u1ecda \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n<p>S\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a \u0111i\u1ec3m n\u00e0y l\u00e0 ti\u1ec1n \u0111\u1ec1 ch\u1ee9ng minh r\u1eb1ng th\u1ef1c t\u1ebf l\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 t\u1ea1o ra nhi\u1ec1u \u0111i\u1ec3m nh\u01b0 v\u1eady b\u1eb1ng c\u00e1ch h\u1ea1n \u0111\u1ecbnh s\u00f3ng micro trong m\u1ed9t l\u01b0\u1edbi \u0111i\u1ec7n h\u1eb9p.<\/p>\n<p>Ngo\u00e0i b\u01b0\u1edbc s\u00f3ng v\u00e0 t\u1ea7n s\u1ed1, \u00e1nh s\u00e1ng c\u0169ng c\u00f3 c\u00e1c t\u00ednh n\u0103ng kh\u00e1c khi c\u00e1c photon \u0111i qua kh\u00f4ng gian. Ch\u00fang ta c\u00f3 th\u1ec3 tinh ch\u1ec9nh ch\u00fang b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u1ed1ng d\u1eabn s\u00f3ng \u0111\u1ec3 hai s\u00f3ng \u00e1nh s\u00e1ng h\u1ee3p nh\u1ea5t trong c\u00f9ng m\u1ed9t kh\u00f4ng gian, t\u1ea1o ra \u0111i\u1ec3m d\u1eebng \u00e1nh s\u00e1ng.<\/p>\n<p>T\u1eeb \u0111\u00f3, s\u00f3ng \u00e1nh s\u00e1ng c\u00f3 th\u1ec3 &#8220;\u0111\u00f3ng b\u0103ng&#8221; hay &#8220;t\u0103ng t\u1ed1c&#8221; b\u1eb1ng c\u00e1ch ch\u00fang ta \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft l\u1eadp theo c\u00e1ch m\u00e0 s\u00f3ng thu nh\u1eadn ho\u1eb7c m\u1ea5t n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p>B\u00e1o c\u00e1o cho bi\u1ebft th\u00eam kh\u00f4ng ch\u1ec9 \u00e1nh s\u00e1ng m\u00e0 c\u00f2n c\u00e1c lo\u1ea1i s\u00f3ng kh\u00e1c, bao g\u1ed3m c\u1ea3 \u00e2m thanh, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thao t\u00e1c theo c\u00e1ch n\u00e0y.<\/p>\n<p>T\u00ednh n\u0103ng quan tr\u1ecdng nh\u1ea5t c\u1ee7a nghi\u00ean c\u1ee9u n\u00e0y l\u00e0 &#8220;\u0111i\u1ec3m ngo\u1ea1i l\u1ec7&#8221; c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 t\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ea5t k\u1ef3 t\u1ea7n s\u1ed1 \u00e1nh s\u00e1ng n\u00e0o \u0111\u01a1n gi\u1ea3n b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh c\u00e1c tham s\u1ed1 t\u0103ng gi\u1ea3m.<\/p>\n<p>S\u1ef1 ph\u00e1t tri\u1ec3n n\u00e0y c\u00f3 th\u1ec3 m\u1edf ra con \u0111\u01b0\u1eddng cho c\u00e1c c\u00f4ng ngh\u1ec7 d\u1ef1a v\u00e0o \u00e1nh s\u00e1ng \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 truy\u1ec1n th\u00f4ng tin, bao g\u1ed3m m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed.<\/p>\n<p>Hi\u1ec7n d\u1ef1 \u00e1n v\u1eabn c\u00f2n trong giai \u0111o\u1ea1n l\u00fd thuy\u1ebft, thi\u1ebft b\u1ecb d\u1eebng v\u00e0 kh\u1edfi \u0111\u1ed9ng \u00e1nh s\u00e1ng s\u1ebd s\u1edbm \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 x\u00e2y d\u1ef1ng.<\/p>\n<p style=\"text-align: right;\"><em>(TTO)<\/em><\/p>\n<p style=\"text-align: right;\">\n","protected":false},"excerpt":{"rendered":"<p>S\u1ef1 ph\u00e1t tri\u1ec3n n\u00e0y c\u00f3 th\u1ec3 m\u1edf ra con \u0111\u01b0\u1eddng cho c\u00e1c c\u00f4ng ngh\u1ec7 d\u1ef1a v\u00e0o \u00e1nh s\u00e1ng \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 truy\u1ec1n th\u00f4ng tin, bao g\u1ed3m m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed. T\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng trong ch\u00e2n kh\u00f4ng l\u00e0 m\u1ed9t h\u1eb1ng s\u1ed1 v\u1eadt l\u00fd ph\u1ed5 qu\u00e1t, nh\u01b0ng c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u00ecm ra c\u00e1ch [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":8287,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-8286","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/8286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=8286"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/8286\/revisions"}],"predecessor-version":[{"id":8587,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/8286\/revisions\/8587"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/8287"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=8286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=8286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=8286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}