{"id":3271,"date":"2026-09-16T16:32:03","date_gmt":"2026-09-16T16:32:03","guid":{"rendered":"https:\/\/olylife.international\/uncategorized\/terahertz-stones\/"},"modified":"2026-09-16T16:32:57","modified_gmt":"2026-09-16T16:32:57","slug":"da-terahertz","status":"publish","type":"post","link":"https:\/\/olylife.international\/vn\/lieu-phap\/da-terahertz\/","title":{"rendered":"\u0110\u00e1 Terahertz: Ch\u00fang l\u00e0 g\u00ec, l\u1ee3i \u00edch v\u00e0 c\u00e1ch nh\u1eadn bi\u1ebft \u0111\u00e1 th\u1eadt"},"content":{"rendered":"

N\u1ebfu g\u1ea7n \u0111\u00e2y b\u1ea1n c\u00f3 gh\u00e9 qua m\u1ed9t c\u1eeda h\u00e0ng b\u00e1n \u0111\u00e1 qu\u00fd ho\u1eb7c xem c\u00e1c b\u00e0i \u0111\u0103ng v\u1ec1 s\u1ee9c kh\u1ecfe, c\u00f3 l\u1ebd b\u1ea1n \u0111\u00e3 b\u1eaft g\u1eb7p m\u1ed9t lo\u1ea1i kho\u00e1ng ch\u1ea5t m\u00e0u x\u00e1m b\u1ea1c n\u1ed5i b\u1eadt v\u1edbi \u0111\u1ed9 b\u00f3ng nh\u01b0 g\u01b0\u01a1ng. \u0110\u00e1 Terahertz<\/strong> Nh\u1eefng vi\u00ean \u0111\u00e1 qu\u00fd n\u00e0y \u0111\u00e3 \u00e2m th\u1ea7m tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng m\u00f3n \u0111\u1ed3 \u0111\u01b0\u1ee3c b\u00e0n t\u00e1n nhi\u1ec1u nh\u1ea5t trong th\u1ebf gi\u1edbi \u0111\u00e1 qu\u00fd v\u00e0 ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe hi\u1ec7n \u0111\u1ea1i \u2014 \u0111\u01b0\u1ee3c \u0111eo nh\u01b0 v\u00f2ng tay, \u0111\u1eb7t tr\u00ean b\u00e0n \u0111\u1ec3 t\u1eadp trung, v\u00e0 \u00f4m trong l\u00f2ng khi thi\u1ec1n \u0111\u1ecbnh. Nh\u01b0ng th\u1ef1c ch\u1ea5t ch\u00fang l\u00e0 g\u00ec? Ch\u00fang l\u00e0 \u0111\u00e1 qu\u00fd t\u1ef1 nhi\u00ean hay \u0111\u01b0\u1ee3c t\u1ea1o ra trong ph\u00f2ng th\u00ed nghi\u1ec7m? V\u00e0 nh\u1eefng tuy\u00ean b\u1ed1 li\u00ean quan \u0111\u1ebfn t\u1ea7n s\u1ed1 c\u00f3 \u0111\u00fang s\u1ef1 th\u1eadt kh\u00f4ng?<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd tr\u1ea3 l\u1eddi t\u1ea5t c\u1ea3 nh\u1eefng c\u00e2u h\u1ecfi \u0111\u00f3 m\u1ed9t c\u00e1ch trung th\u1ef1c. B\u1ea1n s\u1ebd t\u00ecm hi\u1ec3u \u0111\u00e1 terahertz th\u1ef1c s\u1ef1 l\u00e0 g\u00ec, t\u00ean g\u1ecdi n\u00e0y b\u1eaft ngu\u1ed3n t\u1eeb \u0111\u00e2u, c\u00e1ch ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng ch\u00fang theo truy\u1ec1n th\u1ed1ng, c\u00e1ch ph\u00e2n bi\u1ec7t \u0111\u00e1 th\u1eadt v\u00e0 \u0111\u00e1 gi\u1ea3, v\u00e0 c\u00e1ch b\u1ea3o qu\u1ea3n ch\u00fang. Ch\u00fang t\u00f4i c\u0169ng s\u1ebd gi\u1ea3i th\u00edch s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t vi\u00ean \u0111\u00e1 th\u1ee5 \u0111\u1ed9ng m\u00e0 b\u1ea1n \u0111eo v\u00e0 \u0111\u00e1 terahertz th\u1ef1c s\u1ef1. c\u00f4ng ngh\u1ec7<\/em> \u0110i\u1ec1u \u0111\u00f3 \u0111\u00e3 truy\u1ec1n c\u1ea3m h\u1ee9ng cho t\u00ean g\u1ecdi c\u1ee7a n\u00f3 \u2014 \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a ra l\u1ef1a ch\u1ecdn th\u1ef1c s\u1ef1 s\u00e1ng su\u1ed1t.<\/p>\n

\u0110\u00e1 Terahertz l\u00e0 g\u00ec?<\/h2>\n
\"\u0111\u00e1<\/figure>\n

\u0110i\u1ec1u khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi ng\u1ea1c nhi\u00ean \u0111\u1ea7u ti\u00ean l\u00e0: \u0111\u00e1 terahertz ho\u00e0n to\u00e0n kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u00e1 qu\u00fd t\u1ef1 nhi\u00ean. Ch\u00fang l\u00e0 m\u1ed9t lo\u1ea1i \u0111\u00e1 qu\u00fd hi\u1ebfm. v\u1eadt li\u1ec7u nh\u00e2n t\u1ea1o<\/strong>, Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch nung ch\u1ea3y silica (silicon dioxide) c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao r\u1ed3i l\u00e0m ngu\u1ed9i th\u00e0nh ch\u1ea5t r\u1eafn \u0111\u1eb7c, trong su\u1ed1t nh\u01b0 th\u1ee7y tinh. K\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t lo\u1ea1i \u0111\u00e1 m\u1ecbn, n\u1eb7ng v\u1edbi \u00e1nh kim lo\u1ea1i m\u00e0u b\u1ea1c \u0111\u1ebfn x\u00e1m than \u0111\u1eb7c tr\u01b0ng, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng th\u00e0nh h\u1ea1t, h\u00ecnh d\u1ea1ng m\u00e0i nh\u1eb5n, \u0111i\u1ec3m nh\u1ecdn ho\u1eb7c h\u00ecnh c\u1ea7u.<\/p>\n

Lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c cho l\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u1edf Nh\u1eadt B\u1ea3n, n\u01a1i m\u00e0 s\u1ef1 quan t\u00e2m \u0111\u1ebfn t\u1ea7n s\u1ed1 \u201cterahertz\u201d trong gi\u1edbi ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe b\u1eaft \u0111\u1ea7u b\u00f9ng n\u1ed5. V\u00ec \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o ch\u1ee9 kh\u00f4ng ph\u1ea3i khai th\u00e1c, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 v\u1ebb ngo\u00e0i c\u1ee7a n\u00f3 r\u1ea5t nh\u1ea5t qu\u00e1n \u2014 m\u1ed9t l\u00fd do khi\u1ebfn n\u00f3 l\u00ean \u1ea3nh \u0111\u1eb9p v\u00e0 nhanh ch\u00f3ng lan r\u1ed9ng trong c\u1ed9ng \u0111\u1ed3ng trang s\u1ee9c v\u00e0 \u0111\u00e1 qu\u00fd. B\u1ea1n \u0111\u00f4i khi s\u1ebd th\u1ea5y n\u00f3 \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n l\u00e0 \u201c\u0111\u00e1 qu\u00fd terahertz\u201d, \u201ctinh th\u1ec3 terahertz\u201d ho\u1eb7c \u201c\u0111\u00e1 t\u1ea7n s\u1ed1 cao\u201d, nh\u01b0ng t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00f9ng m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p g\u1ed1c silica n\u00e0y.<\/p>\n

G\u1ecdi n\u00f3 l\u00e0 ch\u1ea5t t\u1ed5ng h\u1ee3p kh\u00f4ng ph\u1ea3i l\u00e0 l\u1eddi ch\u1ec9 tr\u00edch. R\u1ea5t nhi\u1ec1u ch\u1ea5t li\u1ec7u \u0111\u01b0\u1ee3c y\u00eau th\u00edch trong l\u0129nh v\u1ef1c ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe v\u00e0 trang s\u1ee9c \u0111\u01b0\u1ee3c t\u1ea1o ra trong ph\u00f2ng th\u00ed nghi\u1ec7m, v\u00e0 nhi\u1ec1u ng\u01b0\u1eddi \u0111\u01a1n gi\u1ea3n ch\u1ec9 th\u00edch v\u1ebb ngo\u00e0i v\u00e0 c\u1ea3m gi\u00e1c c\u1ee7a \u0111\u00e1 terahertz khi c\u1ea7m tr\u00ean tay \u2014 m\u00e1t l\u1ea1nh, n\u1eb7ng tay v\u00e0 t\u1ea1o c\u1ea3m gi\u00e1c v\u1eefng ch\u1eafc. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u r\u00f5 m\u00ecnh \u0111ang c\u1ea7m g\u00ec.<\/p>\n

\u0110\u00e1 terahertz tr\u00f4ng v\u00e0 c\u1ea3m gi\u00e1c nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n

N\u1ebfu b\u1ea1n \u0111ang c\u1ed1 h\u00ecnh dung ra m\u1ed9t vi\u00ean \u0111\u00e1 nh\u01b0 v\u1eady, h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t m\u1ea3nh hematit \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng tr\u1ed9n v\u1edbi th\u1ee7y ng\u00e2n l\u1ecfng: m\u1ed9t kh\u1ed1i m\u00e0u x\u00e1m b\u1ea1c \u0111\u1eadm v\u1edbi \u0111\u1ed9 ph\u1ea3n chi\u1ebfu s\u00e1ng b\u00f3ng, g\u1ea7n nh\u01b0 kim lo\u1ea1i, b\u1eaft \u00e1nh s\u00e1ng khi b\u1ea1n xoay n\u00f3. Nh\u1eefng vi\u00ean \u0111\u00e1 t\u1ed1t s\u1ebd c\u00f3 c\u1ea3m gi\u00e1c \u0111\u1eb7c v\u00e0 n\u1eb7ng tay, m\u00e1t l\u1ea1nh khi ch\u1ea1m v\u00e0o da, v\u00e0 m\u1ecbn nh\u01b0 th\u1ee7y tinh khi \u0111\u01b0\u1ee3c m\u00e0i nh\u1eb5n. B\u1ea1n s\u1ebd t\u00ecm th\u1ea5y ch\u00fang d\u01b0\u1edbi d\u1ea1ng h\u1ea1t tr\u00f2n \u0111eo v\u00f2ng tay, \u0111\u00e1 d\u1eb9t c\u1ea7m tay, ch\u00f3p nh\u1ecdn h\u00ecnh th\u00e1p, v\u00e0 h\u00ecnh c\u1ea7u \u2014 m\u1ed7i h\u00ecnh d\u1ea1ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 thay \u0111\u1ed5i c\u00e1ch b\u1ea1n t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00f9ng m\u1ed9t ch\u1ea5t li\u1ec7u c\u01a1 b\u1ea3n.<\/p>\n

Ngu\u1ed3n g\u1ed1c t\u00ean g\u1ecdi \u201cTerahertz\u201d: Khoa h\u1ecdc v\u00e0 c\u00e2u chuy\u1ec7n<\/h2>\n
\"H\u00ecnh<\/figure>\n

T\u00ean g\u1ecdi l\u00e0 ph\u1ea7n b\u1ecb hi\u1ec3u l\u1ea7m nhi\u1ec1u nh\u1ea5t trong to\u00e0n b\u1ed9 v\u1ea5n \u0111\u1ec1, v\u00ec v\u1eady ch\u00fang ta h\u00e3y c\u00f9ng ph\u00e2n t\u00edch n\u00f3 m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn. A terahertz<\/em> Terahertz l\u00e0 \u0111\u01a1n v\u1ecb \u0111o t\u1ea7n s\u1ed1 \u2014 m\u1ed9t ngh\u00ecn t\u1ef7 chu k\u1ef3 m\u1ed7i gi\u00e2y. B\u1ee9c x\u1ea1 Terahertz l\u00e0 m\u1ed9t d\u1ea3i t\u1ea7n s\u1ed1 c\u00f3 th\u1eadt v\u00e0 r\u1ea5t th\u00fa v\u1ecb trong ph\u1ed5 \u0111i\u1ec7n t\u1eeb, n\u1eb1m gi\u1eefa s\u00f3ng vi ba v\u00e0 tia h\u1ed3ng ngo\u1ea1i. C\u00e1c nh\u00e0 khoa h\u1ecdc nghi\u00ean c\u1ee9u n\u00f3 trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb ch\u1ea9n \u0111o\u00e1n h\u00ecnh \u1ea3nh y t\u1ebf \u0111\u1ebfn qu\u00e9t an ninh.<\/p>\n

Lo\u1ea1i \u0111\u00e1 n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean nh\u01b0 v\u1eady v\u00ec nh\u1eefng ng\u01b0\u1eddi ch\u1ebf t\u1ea1o v\u00e0 qu\u1ea3ng b\u00e1 ban \u0111\u1ea7u tuy\u00ean b\u1ed1 r\u1eb1ng v\u1eadt li\u1ec7u n\u00e0y t\u1ef1 nhi\u00ean ph\u00e1t ra, hay c\u1ed9ng h\u01b0\u1edfng v\u1edbi, c\u00e1c t\u1ea7n s\u1ed1 trong d\u1ea3i terahertz. C\u00e2u chuy\u1ec7n ti\u1ebfp th\u1ecb \u0111\u00f3 \u0111\u00e3 t\u1ea1o n\u00ean c\u1ea3 t\u00ean g\u1ecdi v\u00e0 s\u1ef1 huy\u1ec1n b\u00ed cho lo\u1ea1i \u0111\u00e1 n\u00e0y. Th\u00e0nh th\u1eadt m\u00e0 n\u00f3i, b\u1eb1ng ch\u1ee9ng \u0111\u1ed9c l\u1eadp, \u0111\u01b0\u1ee3c c\u00e1c chuy\u00ean gia \u0111\u00e1nh gi\u00e1 cho th\u1ea5y m\u1ed9t kh\u1ed1i silica th\u1ee5 \u0111\u1ed9ng c\u00f3 th\u1ec3 ph\u00e1t ra s\u00f3ng terahertz c\u00f3 t\u00e1c d\u1ee5ng tr\u1ecb li\u1ec7u l\u00e0 r\u1ea5t h\u1ea1n ch\u1ebf. N\u00f3i c\u00e1ch kh\u00e1c, T\u00ean g\u1ecdi ph\u1ea3n \u00e1nh m\u1ed9t tuy\u00ean b\u1ed1 v\u00e0 m\u1ed9t truy\u1ec1n th\u1ed1ng \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t s\u1ef1 th\u1eadt khoa h\u1ecdc \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh.<\/strong><\/p>\n

V\u1eady khoa h\u1ecdc terahertz th\u1ef1c s\u1ef1 nghi\u00ean c\u1ee9u \u0111i\u1ec1u g\u00ec? Trong ph\u00f2ng th\u00ed nghi\u1ec7m, s\u00f3ng terahertz \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o \u1ea3nh kh\u00f4ng x\u00e2m l\u1ea5n (ch\u00fang c\u00f3 th\u1ec3 nh\u00ecn xuy\u00ean qua c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 qu\u1ea7n \u00e1o v\u00e0 gi\u1ea5y m\u00e0 kh\u00f4ng c\u00f3 nguy c\u01a1 ion h\u00f3a nh\u01b0 tia X), \u0111\u1ec3 ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n c\u1ee7a c\u00e1c ch\u1ea5t, v\u00e0 ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nghi\u00ean c\u1ee9u kh\u00e1m ph\u00e1 c\u00e1ch c\u00e1c t\u1ea7n s\u1ed1 c\u1ee5 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u00f4 sinh h\u1ecdc. \u0110\u00e2y l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c nghi\u00eam t\u00fac, n\u0103ng \u0111\u1ed9ng \u2014 v\u00e0 ch\u00ednh v\u00ec l\u00fd do \u0111\u00f3 m\u00e0 c\u00e1i t\u00ean n\u00e0y l\u1ea1i h\u1ea5p d\u1eabn \u0111\u1ebfn v\u1eady. Kho\u1ea3ng c\u00e1ch \u0111\u01a1n gi\u1ea3n n\u1eb1m \u1edf ch\u1ed7 gi\u1eefa n\u1ec1n khoa h\u1ecdc \u0111\u00f3 v\u00e0 vi\u1ec7c ti\u1ebfp th\u1ecb \u0111\u00e3 m\u01b0\u1ee3n t\u1eeb ng\u1eef c\u1ee7a n\u00f3 cho m\u1ed9t lo\u1ea1i \u0111\u00e1 trang tr\u00ed.<\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3 r\u1ea5t quan tr\u1ecdng v\u00ec terahertz \u0111\u00edch th\u1ef1c c\u00f4ng ngh\u1ec7<\/em> \u0110\u00e2y l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c ho\u00e0n to\u00e0n ri\u00eang bi\u1ec7t. C\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 ch\u1ee7 \u0111\u1ed9ng t\u1ea1o ra c\u00e1c t\u1ea7n s\u1ed1 c\u1ee5 th\u1ec3, v\u00e0 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u1eabn \u0111ang ti\u1ebfp t\u1ee5c kh\u00e1m ph\u00e1 c\u00e1ch c\u00e1c c\u00f4ng c\u1ee5 ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe d\u1ef1a tr\u00ean t\u1ea7n s\u1ed1 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u01a1 th\u1ec3. N\u1ebfu khoa h\u1ecdc v\u1ec1 t\u1ea7n s\u1ed1 l\u00e0 \u0111i\u1ec1u thu h\u00fat b\u1ea1n, h\u00e3y tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i v\u1ec1... Li\u1ec7u ph\u00e1p terahertz th\u1ef1c ch\u1ea5t l\u00e0 g\u00ec?<\/a> v\u00e0 t\u1ed5ng quan c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 ch\u1eefa b\u1ec7nh b\u1eb1ng t\u1ea7n s\u1ed1<\/a> N\u00f3 gi\u1ea3i th\u00edch c\u00e1c c\u01a1 ch\u1ebf th\u1ef1c s\u1ef1 m\u1ed9t c\u00e1ch th\u1ea5u \u0111\u00e1o h\u01a1n nhi\u1ec1u so v\u1edbi b\u1ea5t k\u1ef3 vi\u00ean \u0111\u00e1 n\u00e0o c\u00f3 th\u1ec3 cung c\u1ea5p. Ch\u00fang ta s\u1ebd quay l\u1ea1i s\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng n\u00e0y g\u1ea7n cu\u1ed1i b\u00e0i.<\/p>\n

C\u00e1c \u0111\u1eb7c t\u00ednh v\u00e0 l\u1ee3i \u00edch truy\u1ec1n th\u1ed1ng c\u1ee7a \u0111\u00e1 Terahertz<\/h2>\n
\"\u0111\u00f4i<\/figure>\n

Trong c\u00e1c truy\u1ec1n th\u1ed1ng v\u1ec1 tinh th\u1ec3 v\u00e0 n\u0103ng l\u01b0\u1ee3ng, \u0111\u00e1 terahertz \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao nh\u01b0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u201cc\u00f3 \u0111\u1ed9 rung \u0111\u1ed9ng cao\u201d. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u ch\u00fang nh\u01b0 sau: c\u00e1c c\u00e1ch s\u1eed d\u1ee5ng truy\u1ec1n th\u1ed1ng v\u00e0 giai tho\u1ea1i<\/strong> Thay v\u00ec c\u00e1c k\u1ebft qu\u1ea3 y t\u1ebf, ch\u00fang m\u00f4 t\u1ea3 c\u00e1ch m\u1ecdi ng\u01b0\u1eddi kinh nghi\u1ec7m<\/em> \u0110\u00e2y ch\u1ec9 l\u00e0 nh\u1eefng \u0111\u1eb7c t\u00ednh c\u1ee7a \u0111\u00e1, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng t\u00e1c d\u1ee5ng \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e2m s\u00e0ng. V\u1edbi l\u1eddi c\u1ea3nh b\u00e1o th\u1eb3ng th\u1eafn \u0111\u00f3, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng \u0111\u1eb7c t\u00ednh th\u01b0\u1eddng \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi \u0111\u00e1 terahertz.<\/p>\n

S\u1ef1 v\u1eefng ch\u1eafc v\u00e0 c\u1ea3m nh\u1eadn v\u1ec1 d\u00f2ng ch\u1ea3y n\u0103ng l\u01b0\u1ee3ng<\/h3>\n

C\u1ea3m gi\u00e1c m\u00e1t l\u1ea1nh c\u1ee7a vi\u00ean \u0111\u00e1 trong l\u00f2ng b\u00e0n tay th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 gi\u00fap \u1ed5n \u0111\u1ecbnh v\u00e0 t\u1eadp trung. Theo truy\u1ec1n th\u1ed1ng, nh\u1eefng ng\u01b0\u1eddi th\u1ef1c h\u00e0nh s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 c\u1ea3m th\u1ea5y v\u1eefng v\u00e0ng v\u00e0 hi\u1ec7n di\u1ec7n h\u01a1n, c\u0169ng gi\u1ed1ng nh\u01b0 c\u00e1ch m\u1ecdi ng\u01b0\u1eddi m\u00f4 t\u1ea3... t\u00e1c d\u1ee5ng l\u00e0m d\u1ecbu c\u1ee7a vi\u1ec7c ti\u1ebfp \u0111\u1ea5t<\/a> xu\u1ed1ng \u0111\u1ea5t.<\/p>\n

S\u1ef1 t\u1eadp trung v\u00e0 s\u1ef1 minh m\u1eabn tinh th\u1ea7n<\/h3>\n

Terahertz th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean b\u00e0n l\u00e0m vi\u1ec7c ho\u1eb7c \u0111eo trong khi l\u00e0m vi\u1ec7c nh\u01b0 m\u1ed9t v\u1eadt d\u1ee5ng h\u1ed7 tr\u1ee3 t\u1eadp trung. Nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng cho bi\u1ebft vi\u1ec7c c\u1ea7m ho\u1eb7c nh\u00ecn th\u1ea5y n\u00f3 gi\u00fap h\u1ecd l\u00e0m d\u1ecbu t\u00e2m tr\u00ed \u0111ang b\u1eadn r\u1ed9n v\u00e0 quay tr\u1edf l\u1ea1i c\u00f4ng vi\u1ec7c tr\u01b0\u1edbc m\u1eaft \u2014 m\u1ed9t t\u00edn hi\u1ec7u nh\u1ecf, tr\u1ef1c quan gi\u00fap th\u01b0 gi\u00e3n h\u01a1n l\u00e0 \u0111i\u1ec1u g\u00ec \u0111\u00f3 huy\u1ec1n b\u00ed.<\/p>\n

S\u1ee9c s\u1ed1ng v\u00e0 s\u1ef1 l\u01b0u th\u00f4ng n\u0103ng l\u01b0\u1ee3ng<\/h3>\n

Trong th\u1ef1c h\u00e0nh si\u00eau h\u00ecnh h\u1ecdc, ng\u01b0\u1eddi ta tin r\u1eb1ng lo\u1ea1i \u0111\u00e1 n\u00e0y h\u1ed7 tr\u1ee3 c\u1ea3m gi\u00e1c s\u1ee9c s\u1ed1ng v\u00e0 s\u1ef1 l\u01b0u th\u00f4ng n\u0103ng l\u01b0\u1ee3ng kh\u1ecfe m\u1ea1nh c\u1ee7a c\u01a1 th\u1ec3. M\u1ed9t l\u1ea7n n\u1eefa, \u0111\u00e2y l\u00e0 ni\u1ec1m tin truy\u1ec1n th\u1ed1ng, kh\u00f4ng ph\u1ea3i l\u00e0 kh\u1eb3ng \u0111\u1ecbnh l\u00e2m s\u00e0ng \u2014 nh\u01b0ng \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi th\u00edch th\u1ef1c h\u00e0nh nghi l\u1ec5 c\u00f3 \u00fd th\u1ee9c, c\u1ea3m gi\u00e1c \u1ea5m \u00e1p v\u00e0 \u0111\u1ed9ng l\u1ef1c \u0111\u00f3 th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 mang l\u1ea1i s\u1ef1 kh\u00edch l\u1ec7.<\/p>\n

S\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o v\u1ec7 v\u1ec1 m\u1eb7t c\u1ea3m x\u00fac<\/h3>\n

Gi\u1ed1ng nh\u01b0 nhi\u1ec1u lo\u1ea1i \u0111\u00e1 t\u1ed1i m\u00e0u, ph\u1ea3n chi\u1ebfu \u00e1nh s\u00e1ng, \u0111\u00e1 terahertz theo truy\u1ec1n th\u1ed1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t v\u1eadt ph\u1ea9m "b\u1ea3o v\u1ec7" - gi\u00fap b\u1ea1n c\u1ea3m th\u1ea5y \u0111\u01b0\u1ee3c che ch\u1edf kh\u1ecfi nh\u1eefng \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c v\u00e0 \u1ed5n \u0111\u1ecbnh v\u1ec1 m\u1eb7t c\u1ea3m x\u00fac trong nh\u1eefng giai \u0111o\u1ea1n c\u0103ng th\u1eb3ng. N\u00f3 k\u1ebft h\u1ee3p t\u1ef1 nhi\u00ean v\u1edbi c\u00e1c th\u1ef1c h\u00e0nh c\u00f3 ch\u1ee7 \u0111\u00edch nh\u01b0... ch\u1eefa l\u00e0nh b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng<\/a> v\u00e0 thi\u1ec1n \u0111\u1ecbnh.<\/p>\n

M\u1ed9t t\u00e2m tr\u00ed th\u01b0 th\u00e1i h\u01a1n v\u00e0o cu\u1ed1i ng\u00e0y.<\/h3>\n

Nhi\u1ec1u ng\u01b0\u1eddi \u0111\u1ec3 m\u1ed9t vi\u00ean \u0111\u00e1 terahertz tr\u00ean b\u00e0n \u0111\u1ea7u gi\u01b0\u1eddng ho\u1eb7c c\u1ea7m n\u00f3 trong tay khi th\u01b0 gi\u00e3n v\u00e0o bu\u1ed5i t\u1ed1i. Kh\u00f4ng c\u1ea7n \u0111i\u1ec1u g\u00ec k\u1ef3 di\u1ec7u \u1edf \u0111\u00e2y c\u1ea3 \u2014 ch\u1ec9 c\u1ea7n d\u1eebng l\u1ea1i, c\u1ea3m nh\u1eadn tr\u1ecdng l\u01b0\u1ee3ng m\u00e1t l\u1ea1nh c\u1ee7a vi\u00ean \u0111\u00e1 v\u00e0 h\u00edt th\u1edf ch\u1eadm v\u00e0i h\u01a1i l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u nh\u1eb9 nh\u00e0ng gi\u00fap h\u1ec7 th\u1ea7n kinh chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c sang tr\u1ea1ng th\u00e1i ngh\u1ec9 ng\u01a1i. Khi s\u1eed d\u1ee5ng theo c\u00e1ch \u0111\u00f3, n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t \u0111i\u1ec3m nh\u1ea5n nh\u1ecf, d\u1ec5 ch\u1ecbu cho cu\u1ed1i ng\u00e0y thay v\u00ec h\u1ee9a h\u1eb9n b\u1ea5t c\u1ee9 \u0111i\u1ec1u g\u00ec mang t\u00ednh chuy\u00ean m\u00f4n.<\/p>\n

C\u00e1ch s\u1eed d\u1ee5ng \u0111\u00e1 Terahertz trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y<\/h2>\n
\"V\u00f2ng<\/figure>\n

M\u1ed9t ph\u1ea7n s\u1ee9c h\u1ea5p d\u1eabn c\u1ee7a \u0111\u00e1 terahertz n\u1eb1m \u1edf ch\u1ed7 ch\u00fang d\u1ec5 d\u00e0ng h\u00f2a nh\u1eadp v\u00e0o cu\u1ed9c s\u1ed1ng th\u01b0\u1eddng nh\u1eadt. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t m\u00e0 m\u1ecdi ng\u01b0\u1eddi s\u1eed d\u1ee5ng ch\u00fang trong th\u00f3i quen ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe c\u1ee7a m\u00ecnh.<\/p>\n