{"id":2302,"date":"2026-04-20T05:35:14","date_gmt":"2026-04-20T05:35:14","guid":{"rendered":"https:\/\/www.zmsh-semitech.com\/?p=2302"},"modified":"2026-04-22T07:59:19","modified_gmt":"2026-04-22T07:59:19","slug":"laser-processing-of-diamond-zns-and-sic-optical-window-materials","status":"publish","type":"post","link":"https:\/\/www.zmsh-semitech.com\/vi\/laser-processing-of-diamond-zns-and-sic-optical-window-materials\/","title":{"rendered":"Gia c\u00f4ng b\u1eb1ng laser femtosecond \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u c\u1eeda s\u1ed5 quang h\u1ecdc nh\u01b0 kim c\u01b0\u01a1ng, ZnS v\u00e0 SiC"},"content":{"rendered":"

C\u00e1c v\u1eadt li\u1ec7u l\u00e0m c\u1eeda s\u1ed5 quang h\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u0129nh v\u1ef1c h\u00ecnh \u1ea3nh h\u1ed3ng ngo\u1ea1i cao c\u1ea5p, c\u1ea3m bi\u1ebfn h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng quang t\u1eed ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t ph\u1ea3i \u0111\u1ed3ng th\u1eddi \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u d\u01b0\u1eddng nh\u01b0 m\u00e2u thu\u1eabn nhau: \u0111\u1ed9 trong su\u1ed1t quang h\u1ecdc cao, \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh nhi\u1ec7t trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n

C\u00e1c v\u1eadt li\u1ec7u nh\u01b0 kim c\u01b0\u01a1ng, sunfua k\u1ebdm (ZnS) v\u00e0 cacbua silic (SiC) l\u00e0 ba trong s\u1ed1 nh\u1eefng lo\u1ea1i v\u1eadt li\u1ec7u quan tr\u1ecdng nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c c\u1eeda s\u1ed5 quang h\u1ecdc ti\u00ean ti\u1ebfn. Tuy nhi\u00ean, \u0111\u1ed9 c\u1ee9ng v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a ch\u00fang c\u0169ng khi\u1ebfn vi\u1ec7c gia c\u00f4ng ch\u00fang b\u1eb1ng c\u00e1c k\u1ef9 thu\u1eadt truy\u1ec1n th\u1ed1ng tr\u1edf n\u00ean v\u00f4 c\u00f9ng kh\u00f3 kh\u0103n.<\/p>\n\n\n\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng truy\u1ec1n th\u1ed1ng \u2014 nh\u01b0 \u0111\u00e1nh b\u00f3ng c\u01a1 h\u1ecdc, \u0103n m\u00f2n h\u00f3a h\u1ecdc ho\u1eb7c b\u00f3c t\u00e1ch b\u1eb1ng laser nano gi\u00e2y \u2014 th\u01b0\u1eddng g\u00e2y ra h\u01b0 h\u1ecfng do nhi\u1ec7t, c\u00e1c v\u1ebft n\u1ee9t vi m\u00f4 v\u00e0 \u1ee9ng su\u1ea5t d\u01b0, d\u1eabn \u0111\u1ebfn vi\u1ec7c l\u00e0m suy gi\u1ea3m \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t quang h\u1ecdc.<\/p>\n\n\n\n

Ng\u01b0\u1ee3c l\u1ea1i, gia c\u00f4ng b\u1eb1ng laser femtosecond<\/mark><\/a> \u0111\u00e3 n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u1ed9t ph\u00e1, mang l\u1ea1i c\u01a1 ch\u1ebf t\u01b0\u01a1ng t\u00e1c ho\u00e0n to\u00e0n kh\u00e1c bi\u1ec7t d\u1ef1a tr\u00ean qu\u00e1 tr\u00ecnh truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng si\u00eau nhanh, kh\u00f4ng sinh nhi\u1ec7t.<\/p>\n\n\n\n

T\u1ea1i sao laser femtosecond l\u1ea1i c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n<\/strong><\/h2>\n\n\n\n

C\u00e1c xung laser femtosecond c\u00f3 th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c 10\u207b\u00b9\u2075 gi\u00e2y, ng\u1eafn h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi th\u1eddi gian th\u01b0 gi\u00e3n \u0111i\u1ec7n t\u1eed\u2013phonon trong h\u1ea7u h\u1ebft c\u00e1c ch\u1ea5t r\u1eafn.<\/p>\n\n\n\n

S\u1ef1 t\u01b0\u01a1ng t\u00e1c c\u1ef1c ng\u1eafn n\u00e0y mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i th\u1ebf quan tr\u1ecdng:<\/p>\n\n\n\n

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  • N\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c t\u00edch t\u1ee5 tr\u01b0\u1edbc khi qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t di\u1ec5n ra<\/li>\n\n\n\n
  • Qu\u00e1 tr\u00ecnh lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u ch\u1ee7 y\u1ebfu do hi\u1ec7n t\u01b0\u1ee3ng ion h\u00f3a phi tuy\u1ebfn t\u00ednh chi ph\u1ed1i h\u01a1n l\u00e0 do qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y<\/li>\n\n\n\n
  • C\u00e1c v\u00f9ng b\u1ecb \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t g\u1ea7n nh\u01b0 \u0111\u00e3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf<\/li>\n\n\n\n
  • \u0110\u1ed9 ch\u00ednh x\u00e1c kh\u00f4ng gian cao \u1edf c\u1ea5p \u0111\u1ed9 vi m\u00f4 v\u00e0 nano \u0111\u00e3 tr\u1edf th\u00e0nh hi\u1ec7n th\u1ef1c<\/li>\n<\/ul>\n\n\n\n

    Do \u0111\u00f3, laser femtosecond cho ph\u00e9p th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cc\u1eaft l\u1ea1nh\u201d, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ea1o h\u00ecnh si\u00eau ch\u00ednh x\u00e1c tr\u00ean c\u00e1c v\u1eadt li\u1ec7u c\u1ee9ng v\u00e0 gi\u00f2n.<\/p>\n\n\n\n

    Kim c\u01b0\u01a1ng: T\u1eeb v\u1eadt li\u1ec7u si\u00eau c\u1ee9ng \u0111\u1ebfn n\u1ec1n t\u1ea3ng c\u1ea5u tr\u00fac vi m\u00f4 ch\u1ee9c n\u0103ng<\/strong><\/h2>\n\n\n\n

    Kim c\u01b0\u01a1ng \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i nh\u1edd \u0111\u1ed9 c\u1ee9ng v\u00f4 song, kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t v\u01b0\u1ee3t tr\u1ed9i v\u00e0 \u0111\u1ed9 trong su\u1ed1t quang h\u1ecdc tr\u00ean d\u1ea3i quang ph\u1ed5 r\u1ed9ng. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y khi\u1ebfn kim c\u01b0\u01a1ng tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho c\u00e1c c\u1eeda s\u1ed5 quang h\u1ecdc c\u00f4ng su\u1ea5t cao, ch\u1ea5t n\u1ec1n qu\u1ea3n l\u00fd nhi\u1ec7t v\u00e0 c\u00e1c linh ki\u1ec7n ch\u1ed1ng b\u1ee9c x\u1ea1.<\/p>\n\n\n\n

    Tuy nhi\u00ean, t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ef1c cao c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y c\u0169ng khi\u1ebfn cho vi\u1ec7c gia c\u00f4ng th\u00f4ng th\u01b0\u1eddng tr\u1edf n\u00ean v\u00f4 c\u00f9ng kh\u00f3 kh\u0103n, th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng graphit h\u00f3a ho\u1eb7c h\u01b0 h\u1ecfng l\u1edbp b\u00ean d\u01b0\u1edbi b\u1ec1 m\u1eb7t.<\/p>\n\n\n\n

    C\u00f4ng ngh\u1ec7 gia c\u00f4ng b\u1eb1ng laser femtosecond \u0111\u00e3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 h\u1ea1n ch\u1ebf n\u00e0y.<\/p>\n\n\n\n

    Nh\u1eefng di\u1ec5n bi\u1ebfn g\u1ea7n \u0111\u00e2y cho th\u1ea5y kim c\u01b0\u01a1ng hi\u1ec7n nay c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac th\u00e0nh:<\/p>\n\n\n\n

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    • C\u00e1c k\u00eanh vi m\u00f4 c\u00f3 t\u1ef7 l\u1ec7 chi\u1ec1u cao tr\u00ean chi\u1ec1u r\u1ed9ng cao d\u00e0nh cho h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd nhi\u1ec7t<\/li>\n\n\n\n
    • M\u1ea3ng r\u00e3nh vi m\u00f4 cho c\u00e1c ngu\u1ed3n ph\u00e1t x\u1ea1 tia X<\/li>\n\n\n\n
    • C\u1ea5u tr\u00fac vi x\u1ed1p cho c\u00e1c thi\u1ebft b\u1ecb vi l\u01b0u ch\u1ea5t v\u00e0 c\u1ea3m bi\u1ebfn<\/li>\n<\/ul>\n\n\n\n

      M\u1ed9t b\u01b0\u1edbc ti\u1ebfn \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 vi\u1ec7c ch\u1ebf t\u1ea1o c\u00e1c l\u1ed7 si\u00eau nh\u1ecf c\u00f3 \u0111\u01b0\u1eddng k\u00ednh d\u01b0\u1edbi 20 \u03bcm tr\u00ean c\u00e1c t\u1ea5m kim c\u01b0\u01a1ng m\u1ecfng (d\u00e0y kho\u1ea3ng 170 \u03bcm), \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 chi\u1ec1u d\u00e0i tr\u00ean chi\u1ec1u r\u1ed9ng kho\u1ea3ng 10:1 \u0111\u1ed3ng th\u1eddi duy tr\u00ec \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng thu\u00f4n nh\u1ecdn c\u00f3 ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

      C\u00e1c k\u1ebft qu\u1ea3 n\u00e0y cho th\u1ea5y kim c\u01b0\u01a1ng kh\u00f4ng c\u00f2n ch\u1ec9 l\u00e0 v\u1eadt li\u1ec7u c\u1eeda s\u1ed5 quang h\u1ecdc th\u1ee5 \u0111\u1ed9ng m\u00e0 ng\u00e0y c\u00e0ng tr\u1edf th\u00e0nh m\u1ed9t n\u1ec1n t\u1ea3ng ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o vi m\u00f4 d\u00e0nh cho c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7u su\u1ea5t cao.<\/p>\n\n\n\n

      K\u1ebdm sunfua (ZnS): T\u1ea1o ch\u1ee9c n\u0103ng cho c\u00e1c c\u1eeda s\u1ed5 h\u1ed3ng ngo\u1ea1i th\u00f4ng qua c\u00e1c c\u1ea5u tr\u00fac vi m\u00f4 b\u1ec1 m\u1eb7t<\/strong><\/h2>\n\n\n\n

      ZnS l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u truy\u1ec1n h\u1ed3ng ngo\u1ea1i quan tr\u1ecdng, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c h\u1ec7 th\u1ed1ng quang h\u1ecdc h\u1ed3ng ngo\u1ea1i s\u00f3ng trung v\u00e0 s\u00f3ng d\u00e0i, bao g\u1ed3m c\u00e1c c\u1eeda s\u1ed5 cho h\u00ecnh \u1ea3nh nhi\u1ec7t v\u00e0 h\u1ec7 th\u1ed1ng d\u1eabn \u0111\u01b0\u1eddng t\u00ean l\u1eeda.<\/p>\n\n\n\n

      Tuy nhi\u00ean, hi\u1ec7u su\u1ea5t quang h\u1ecdc c\u1ee7a n\u00f3 b\u1ecb \u1ea3nh h\u01b0\u1edfng m\u1ea1nh m\u1ebd b\u1edfi hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 b\u1ec1 m\u1eb7t v\u00e0 t\u1ed5n th\u1ea5t do t\u00e1n x\u1ea1.<\/p>\n\n\n\n

      C\u00f4ng ngh\u1ec7 gia c\u00f4ng b\u1eb1ng laser femtosecond, \u0111\u1eb7c bi\u1ec7t khi k\u1ebft h\u1ee3p v\u1edbi k\u1ef9 thu\u1eadt \u0111\u1ecbnh h\u00ecnh ch\u00f9m tia c\u00f3 c\u1ea5u tr\u00fac (ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u00f9m tia Bessel), cho ph\u00e9p th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh ch\u1ee9c n\u0103ng h\u00f3a b\u1ec1 m\u1eb7t m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

      C\u00e1c nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng:<\/p>\n\n\n\n

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      • C\u00e1c m\u1ea3ng c\u1ea5u tr\u00fac vi\/nanomet di\u1ec7n t\u00edch l\u1edbn gi\u00fap gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 Fresnel<\/li>\n\n\n\n
      • C\u00e1c k\u00eanh nano c\u00f3 t\u1ef7 l\u1ec7 chi\u1ec1u cao tr\u00ean chi\u1ec1u r\u1ed9ng cao d\u00e0nh cho c\u00e1c thi\u1ebft b\u1ecb quang t\u1eed<\/li>\n\n\n\n
      • B\u1ec1 m\u1eb7t m\u00f4 ph\u1ecfng t\u1ef1 nhi\u00ean \u201cgi\u1ed1ng nh\u01b0 m\u1eaft b\u01b0\u1edbm \u0111\u00eam\u201d cho l\u1edbp ch\u1ed1ng ph\u1ea3n x\u1ea1 d\u1ea3i r\u1ed9ng<\/li>\n<\/ul>\n\n\n\n

        Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00e1c b\u1ec1 m\u1eb7t ZnS \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u00e3 gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 ph\u1ea3n x\u1ea1 (t\u1eeb tr\u00ean 40% xu\u1ed1ng d\u01b0\u1edbi 15%), \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n \u0111\u1ed9 r\u00f5 n\u00e9t c\u1ee7a h\u00ecnh \u1ea3nh h\u1ed3ng ngo\u1ea1i.<\/p>\n\n\n\n

        Quan tr\u1ecdng h\u01a1n, nh\u1eefng c\u1ea5u tr\u00fac n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 nh\u1eefng bi\u1ebfn \u0111\u1ed5i h\u00ecnh h\u1ecdc \u2014 ch\u00fang c\u00f2n ch\u1ee7 \u0111\u1ed9ng n\u00e2ng cao hi\u1ec7u su\u1ea5t quang h\u1ecdc, bi\u1ebfn ZnS t\u1eeb m\u1ed9t v\u1eadt li\u1ec7u c\u1eeda s\u1ed5 th\u1ee5 \u0111\u1ed9ng th\u00e0nh m\u1ed9t v\u1eadt li\u1ec7u giao di\u1ec7n quang h\u1ecdc c\u00f3 c\u1ea5u tr\u00fac.<\/p>\n\n\n\n

        Cacbua silic (SiC): C\u1ea7u n\u1ed1i gi\u1eefa \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t v\u00e0 k\u1ef9 thu\u1eadt quang h\u1ecdc<\/strong><\/h2>\n\n\n\n
        \"\"<\/figure>\n\n\n\n

        Cacbua silic chi\u1ebfm m\u1ed9t v\u1ecb tr\u00ed \u0111\u1eb7c bi\u1ec7t trong s\u1ed1 c\u00e1c v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn nh\u1edd s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a:<\/p>\n\n\n\n

          \n
        • \u0110\u1ed9 d\u1eabn nhi\u1ec7t cao<\/li>\n\n\n\n
        • \u0110\u1ed9 c\u1ee9ng c\u01a1 h\u1ecdc cao<\/li>\n\n\n\n
        • \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi<\/li>\n\n\n\n
        • C\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a ch\u1ea5t b\u00e1n d\u1eabn c\u00f3 kho\u1ea3ng c\u00e1ch d\u1ea3i n\u0103ng l\u01b0\u1ee3ng r\u1ed9ng<\/li>\n<\/ul>\n\n\n\n

          M\u1eb7c d\u00f9 SiC \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t, nh\u01b0ng v\u1eadt li\u1ec7u n\u00e0y \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c c\u1eeda s\u1ed5 quang h\u1ecdc v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng quang t\u1eed ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n

          Tuy nhi\u00ean, t\u00ednh tr\u01a1 h\u00f3a h\u1ecdc c\u1ee7a n\u00f3 khi\u1ebfn vi\u1ec7c t\u1ea1o h\u00ecnh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0103n m\u00f2n \u01b0\u1edbt ho\u1eb7c quang kh\u1eafc truy\u1ec1n th\u1ed1ng tr\u1edf n\u00ean c\u1ef1c k\u1ef3 kh\u00f3 kh\u0103n.<\/p>\n\n\n\n

          C\u00f4ng ngh\u1ec7 gia c\u00f4ng b\u1eb1ng laser femtosecond mang l\u1ea1i m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf hi\u1ec7u qu\u1ea3, cho ph\u00e9p:<\/p>\n\n\n\n

            \n
          • Lo\u1ea1i b\u1ecf b\u1ec1 m\u1eb7t ch\u00ednh x\u00e1c v\u1edbi t\u1ed5n th\u01b0\u01a1ng nhi\u1ec7t t\u1ed1i thi\u1ec3u<\/li>\n\n\n\n
          • C\u00e1c l\u1edbp bi\u1ebfn \u0111\u1ed5i pha do laser g\u00e2y ra<\/li>\n\n\n\n
          • S\u1eeda \u0111\u1ed5i c\u00f3 ki\u1ec3m so\u00e1t b\u00ean trong \u0111\u1ec3 t\u1ea1o c\u1ea5u tr\u00fac d\u01b0\u1edbi b\u1ec1 m\u1eb7t<\/li>\n<\/ul>\n\n\n\n

            C\u00e1c nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m g\u1ea7n \u0111\u00e2y \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh n\u0103ng l\u01b0\u1ee3ng xung v\u00e0 chi\u1ebfn l\u01b0\u1ee3c qu\u00e9t, c\u00f3 th\u1ec3 t\u1ea1o ra hi\u1ec7n t\u01b0\u1ee3ng ion h\u00f3a c\u1ee5c b\u1ed9 v\u00e0 thay \u0111\u1ed5i c\u1ea5u tr\u00fac c\u00f3 ki\u1ec3m so\u00e1t b\u00ean trong SiC.<\/p>\n\n\n\n

            C\u00e1c t\u00ednh n\u0103ng k\u1ef9 thu\u1eadt n\u00e0y c\u00f3 th\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t thu nh\u1eadn \u00e1nh s\u00e1ng v\u00e0 m\u1edf ra nh\u1eefng h\u01b0\u1edbng \u1ee9ng d\u1ee5ng trong:<\/p>\n\n\n\n

              \n
            • C\u1ea3m bi\u1ebfn quang h\u1ecdc ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao<\/li>\n\n\n\n
            • Thi\u1ebft b\u1ecb quang t\u1eed l\u01b0\u1ee3ng t\u1eed<\/li>\n\n\n\n
            • H\u1ec7 th\u1ed1ng quang t\u1eed-\u0111i\u1ec7n t\u1eed t\u00edch h\u1ee3p<\/li>\n<\/ul>\n\n\n\n
              \n\n\n\n

              T\u1eeb gia c\u00f4ng \u0111\u1ebfn thi\u1ebft k\u1ebf ch\u1ee9c n\u0103ng: M\u1ed9t s\u1ef1 chuy\u1ec3n \u0111\u1ed5i m\u00f4 h\u00ecnh<\/strong><\/h2>\n\n\n\n

              \u0110\u1ed1i v\u1edbi kim c\u01b0\u01a1ng, ZnS v\u00e0 SiC, m\u1ed9t xu h\u01b0\u1edbng chung \u0111ang d\u1ea7n xu\u1ea5t hi\u1ec7n:<\/p>\n\n\n\n

              C\u00f4ng ngh\u1ec7 gia c\u00f4ng b\u1eb1ng laser femtosecond kh\u00f4ng c\u00f2n ch\u1ec9 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 ch\u1ebf t\u1ea1o \u2014 n\u00f3 \u0111ang tr\u1edf th\u00e0nh m\u1ed9t n\u1ec1n t\u1ea3ng thi\u1ebft k\u1ebf ch\u1ee9c n\u0103ng.<\/p>\n\n\n\n

              S\u1ef1 thay \u0111\u1ed5i n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi:<\/p>\n\n\n\n

                \n
              • Chuy\u1ec3n t\u1eeb t\u1ea1o h\u00ecnh b\u1ec1 m\u1eb7t \u2192 sang \u0111i\u1ec1u ch\u1ec9nh th\u1ec3 t\u00edch<\/li>\n\n\n\n
              • Chuy\u1ec3n t\u1eeb gia c\u00f4ng \u0111\u01a1n chi ti\u1ebft \u2192 sang t\u1ea1o m\u1eabu vi\/nano tr\u00ean di\u1ec7n t\u00edch l\u1edbn<\/li>\n\n\n\n
              • Chuy\u1ec3n t\u1eeb ch\u1ebf t\u1ea1o k\u1ebft c\u1ea5u \u2192 sang k\u1ef9 thu\u1eadt ch\u1ee9c n\u0103ng quang h\u1ecdc v\u00e0 nhi\u1ec7t<\/li>\n<\/ul>\n\n\n\n

                N\u00f3i c\u00e1ch kh\u00e1c, h\u00ecnh h\u1ecdc kh\u00f4ng c\u00f2n ch\u1ec9 l\u00e0 h\u00ecnh h\u1ecdc n\u1eefa \u2014 gi\u1edd \u0111\u00e2y n\u00f3 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 ki\u1ec3m so\u00e1t \u00e1nh s\u00e1ng, nhi\u1ec7t v\u00e0 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n

                Tri\u1ec3n v\u1ecdng t\u01b0\u01a1ng lai: H\u01b0\u1edbng t\u1edbi c\u00e1c c\u1eeda s\u1ed5 quang h\u1ecdc \u0111a ch\u1ee9c n\u0103ng<\/strong><\/h2>\n\n\n\n

                Trong t\u01b0\u01a1ng lai, c\u00f4ng ngh\u1ec7 gia c\u00f4ng b\u1eb1ng laser femtosecond \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd \u0111\u00f3ng vai tr\u00f2 ng\u00e0y c\u00e0ng quan tr\u1ecdng trong c\u00e1c h\u1ec7 th\u1ed1ng quang h\u1ecdc th\u1ebf h\u1ec7 m\u1edbi.<\/p>\n\n\n\n

                C\u00e1c h\u01b0\u1edbng ph\u00e1t tri\u1ec3n ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n

                  \n
                • S\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn c\u00e1c b\u1ec1 m\u1eb7t quang h\u1ecdc c\u00f3 c\u1ea5u tr\u00fac nano di\u1ec7n t\u00edch l\u1edbn<\/li>\n\n\n\n
                • T\u00edch h\u1ee3p c\u00e1c ch\u1ee9c n\u0103ng quang h\u1ecdc, nhi\u1ec7t v\u00e0 \u0111i\u1ec7n t\u1eed trong m\u1ed9t v\u1eadt li\u1ec7u duy nh\u1ea5t<\/li>\n\n\n\n
                • Quy tr\u00ecnh x\u1eed l\u00fd k\u1ebft h\u1ee3p gi\u1eefa laser si\u00eau nhanh v\u00e0 t\u1ed1i \u01b0u h\u00f3a d\u1ef1a tr\u00ean tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o<\/li>\n\n\n\n
                • M\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng sang l\u0129nh v\u1ef1c quang h\u1ecdc v\u0169 tr\u1ee5, c\u1ea3m bi\u1ebfn l\u01b0\u1ee3ng t\u1eed v\u00e0 quang t\u1eed h\u1ecdc c\u00f4ng su\u1ea5t cao<\/li>\n<\/ul>\n\n\n\n

                  Khi \u0111\u1ed9 ch\u00ednh x\u00e1c trong qu\u00e1 tr\u00ecnh gia c\u00f4ng ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c n\u00e2ng cao, v\u1eadt li\u1ec7u c\u1eeda s\u1ed5 quang h\u1ecdc s\u1ebd chuy\u1ec3n t\u1eeb c\u00e1c th\u00e0nh ph\u1ea7n b\u1ea3o v\u1ec7 th\u1ee5 \u0111\u1ed9ng sang c\u00e1c giao di\u1ec7n ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u1ee7 \u0111\u1ed9ng.<\/p>\n\n\n\n

                  K\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n

                  Kim c\u01b0\u01a1ng, ZnS v\u00e0 SiC l\u00e0 ba h\u1ec7 v\u1eadt li\u1ec7u c\u1ef1c \u0111oan m\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng truy\u1ec1n th\u1ed1ng g\u1eb7p ph\u1ea3i nh\u1eefng h\u1ea1n ch\u1ebf c\u01a1 b\u1ea3n.<\/p>\n\n\n\n

                  C\u00f4ng ngh\u1ec7 laser femtosecond mang l\u1ea1i m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u1ed9t ph\u00e1 nh\u1edd kh\u1ea3 n\u0103ng bi\u1ebfn \u0111\u1ed5i v\u1eadt li\u1ec7u theo c\u00e1ch kh\u00f4ng sinh nhi\u1ec7t, v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ef1c cao v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u1ed1t.<\/p>\n\n\n\n

                  Quan tr\u1ecdng h\u01a1n, n\u00f3 \u0111ang \u0111\u1ecbnh h\u00ecnh l\u1ea1i vai tr\u00f2 c\u1ee7a v\u1eadt li\u1ec7u c\u1eeda s\u1ed5 quang h\u1ecdc \u2014 t\u1eeb nh\u1eefng th\u00e0nh ph\u1ea7n truy\u1ec1n d\u1eabn \u0111\u01a1n thu\u1ea7n th\u00e0nh c\u00e1c b\u1ed9 ph\u1eadn ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf chuy\u00ean bi\u1ec7t trong c\u00e1c h\u1ec7 th\u1ed1ng quang t\u1eed v\u00e0 n\u0103ng l\u01b0\u1ee3ng ti\u00ean ti\u1ebfn.<\/p>","protected":false},"excerpt":{"rendered":"

                  Optical window materials used in high-end infrared imaging, aerospace sensors, and extreme-environment photonic systems must simultaneously satisfy contradictory requirements: high optical transparency, extreme mechanical strength, and thermal stability under harsh conditions. Materials such as diamond, zinc sulfide (ZnS), and silicon carbide (SiC) represent three of the most important classes of advanced optical windows. However, their […]<\/p>\n","protected":false},"author":1,"featured_media":2303,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[24],"tags":[644],"class_list":["post-2302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-femtosecond-laser"],"_links":{"self":[{"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/posts\/2302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/comments?post=2302"}],"version-history":[{"count":1,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/posts\/2302\/revisions"}],"predecessor-version":[{"id":2304,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/posts\/2302\/revisions\/2304"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/media\/2303"}],"wp:attachment":[{"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/media?parent=2302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/categories?post=2302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/tags?post=2302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}