{"id":1869,"date":"2026-09-07T06:00:00","date_gmt":"2026-09-06T21:00:00","guid":{"rendered":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-09-07-terahertz-shadow-phase-vi\/"},"modified":"2026-09-07T06:00:00","modified_gmt":"2026-09-06T21:00:00","slug":"2026-09-07-terahertz-shadow-phase-vi","status":"publish","type":"briefing","link":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-09-07-terahertz-shadow-phase-vi\/","title":{"rendered":"D\u00f9ng \u201cb\u00f3ng\u201d c\u1ee7a s\u00f3ng terahertz \u0111\u1ec3 kh\u00f4i ph\u1ee5c pha"},"content":{"rendered":"<p><strong>2026-09-07 06:00 KST<\/strong><\/p>\n<p>M\u1ed9t nh\u00f3m qu\u1ed1c t\u1ebf kh\u00f4i ph\u1ee5c pha s\u00f3ng terahertz t\u1eeb d\u1ea1ng b\u00f3ng b\u1ea5t \u0111\u1ed1i x\u1ee9ng quanh c\u1ea1nh v\u1eadt th\u1ec3. C\u00f4ng b\u1ed1 ng\u00e0y 2\/9 tr\u00ean Optics Express cho th\u1ea5y kh\u1ea3 n\u0103ng \u0111\u1ecdc \u0111\u1ed9 d\u00e0y v\u00e0 chi\u1ebft su\u1ea5t kh\u00f4ng c\u1ea7n giao thoa k\u1ebf truy\u1ec1n th\u1ed1ng.<\/p>\n<p>K\u1ebft qu\u1ea3 ch\u01b0a thay th\u1ebf m\u00e1y y t\u1ebf hay an ninh. Nguy\u00ean l\u00fd \u0111\u01b0\u1ee3c th\u1eed trong h\u1ec7 quang h\u1ecdc gi\u1edbi h\u1ea1n v\u1edbi \u0111\u1ea7u d\u00f2 m\u1ed9t \u0111i\u1ec3m; c\u00f2n ph\u1ea3i ki\u1ec3m tra t\u1ed1c \u0111\u1ed9, nhi\u1ec5u v\u00e0 v\u1eadt li\u1ec7u ph\u1ee9c t\u1ea1p.<\/p>\n<h2>C\u01b0\u1eddng \u0111\u1ed9 v\u00e0 pha<\/h2>\n<p>C\u01b0\u1eddng \u0111\u1ed9 gi\u1ed1ng \u0111\u1ed9 s\u00e1ng; pha ghi \u0111\u1ed9 s\u1edbm hay tr\u1ec5 c\u1ee7a s\u00f3ng v\u00e0 thay \u0111\u1ed5i khi qua v\u1eadt ch\u1ea5t.<\/p>\n<h2>B\u00f3ng ho\u1ea1t \u0111\u1ed9ng th\u1ebf n\u00e0o?<\/h2>\n<p>B\u1ed9 l\u1ecdc pha xo\u1eafn trong h\u1ec7 4f l\u00e0m vi\u1ec1n ph\u1ee5 thu\u1ed9c pha \u0111\u1ea7u v\u00e0o, r\u1ed3i m\u00f4 h\u00ecnh \u0111\u1ea3o \u1ea3nh c\u01b0\u1eddng \u0111\u1ed9 th\u00e0nh b\u1ea3n \u0111\u1ed3 pha.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/onepress.co.kr\/wp-content\/uploads\/2026\/09\/terahertz-shadow-phase-vi.png\" alt=\"D\u00f9ng \u201cb\u00f3ng\u201d c\u1ee7a s\u00f3ng terahertz \u0111\u1ec3 kh\u00f4i ph\u1ee5c pha\" loading=\"lazy\" \/><figcaption class=\"op-briefing-image-caption\">\u0110\u00e2y l\u00e0 h\u00ecnh \u1ea3nh t\u1ea1o b\u1eb1ng AI \u0111\u1ec3 gi\u1ea3i th\u00edch ch\u1ee7 \u0111\u1ec1, kh\u00f4ng ph\u1ea3i \u1ea3nh ch\u1ee5p s\u1ef1 ki\u1ec7n, quan s\u00e1t hay th\u00ed nghi\u1ec7m th\u1ef1c t\u1ebf.<\/figcaption><\/figure>\n<h2>Kh\u00e1c c\u00f4ng c\u1ee5 c\u0169<\/h2>\n<p>Giao thoa k\u1ebf c\u1ea7n s\u00f3ng chu\u1ea9n, THz-TDS c\u1ea7n d\u1ea1ng s\u00f3ng th\u1eddi gian. C\u00e1ch m\u1edbi c\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n h\u01a1n nh\u01b0ng ch\u01b0a ch\u1ee9ng minh ngang \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n<h2>\u1ee8ng d\u1ee5ng<\/h2>\n<p>Pha c\u00f3 th\u1ec3 l\u1ed9 l\u1edbp m\u1ecfng v\u00e0 kh\u00e1c bi\u1ec7t chi\u1ebft su\u1ea5t trong ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y, v\u1eadt li\u1ec7u v\u00e0 sinh h\u1ecdc.<\/p>\n<h2>Ti\u1ebfp theo<\/h2>\n<p>C\u1ea7n th\u1eed nhi\u1ec1u v\u1eadt li\u1ec7u, h\u00ecnh d\u1ea1ng, t\u1ed1c \u0111\u1ed9 th\u1eddi gian th\u1ef1c, t\u00edn hi\u1ec7u y\u1ebfu, tr\u01b0\u1eddng nh\u00ecn r\u1ed9ng, chi ph\u00ed v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/p>\n<h2>Ngu\u1ed3n g\u1ed1c v\u00e0 ki\u1ec3m ch\u1ee9ng \u0111\u1ed9c l\u1eadp<\/h2>\n<p><a href=\"https:\/\/doi.org\/10.1364\/OE.610381\" target=\"_blank\" rel=\"noopener noreferrer\">Optics Express \uc6d0 \ub17c\ubb38<\/a><\/p>\n<p><a href=\"https:\/\/www.sci.tohoku.ac.jp\/news\/20260904-14605.html\" target=\"_blank\" rel=\"noopener noreferrer\">\ub3c4\ud638\ucfe0\ub300 \uacf5\uc2dd \ubc1c\ud45c<\/a><\/p>\n<p><a href=\"https:\/\/www.cn.chiba-u.jp\/news\/0904_thz\/\" target=\"_blank\" rel=\"noopener noreferrer\">\uc9c0\ubc14\ub300 \ub3c5\ub9bd \uae30\uad00 \ud655\uc778<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nh\u00f3m nghi\u00ean c\u1ee9u t\u00e1i t\u1ea1o pha t\u1eeb \u1ea3nh c\u01b0\u1eddng \u0111\u1ed9 b\u1ea5t \u0111\u1ed1i x\u1ee9ng m\u00e0 kh\u00f4ng c\u1ea7n giao thoa k\u1ebf. \u0110\u00e2y l\u00e0 ch\u1ee9ng minh ph\u00f2ng th\u00ed nghi\u1ec7m, ch\u01b0a ph\u1ea3i m\u00e1y qu\u00e9t y t\u1ebf.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-1869","briefing","type-briefing","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing\/1869","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing"}],"about":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/types\/briefing"}],"wp:attachment":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=1869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}