th\u1ecfi th\u1ee7y tinh th\u1ea1ch anh<\/a>.<\/p>\n\n\n\nQuy tr\u00ecnh n\u00e0y cho ph\u00e9p ki\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng n\u1ea5u ch\u1ea3y t\u1ed1t h\u01a1n v\u00e0 c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m so v\u1edbi m\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt n\u1ea5u ch\u1ea3y b\u1eb1ng \u0111i\u1ec7n. Ph\u01b0\u01a1ng ph\u00e1p n\u1ea5u ch\u1ea3y b\u1eb1ng ng\u1ecdn l\u1eeda th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c v\u1eadt li\u1ec7u th\u1ee7y tinh th\u1ea1ch anh c\u00f3 t\u00ednh ch\u1ea5t quang h\u1ecdc t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t. Tuy nhi\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng ng\u1ecdn l\u1eeda hydro v\u00e0 oxy c\u00f3 th\u1ec3 \u0111\u01b0a c\u00e1c nh\u00f3m hydroxyl (OH) v\u00e0o v\u1eadt li\u1ec7u, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eabn quang h\u1ecdc trong v\u00f9ng h\u1ed3ng ngo\u1ea1i.<\/p>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p l\u1eafng \u0111\u1ecdng h\u01a1i h\u00f3a h\u1ecdc (CVD)<\/h2>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p l\u1eafng \u0111\u1ecdng h\u01a1i h\u00f3a h\u1ecdc l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p quan tr\u1ecdng nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u1ee7y tinh th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft c\u1ef1c cao. Trong quy tr\u00ecnh n\u00e0y, c\u00e1c h\u1ee3p ch\u1ea5t silic d\u1ec5 bay h\u01a1i nh\u01b0 tetraclorua silic (SiCl\u2084) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m nguy\u00ean li\u1ec7u ti\u1ec1n ch\u1ea5t. C\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y ph\u1ea3n \u1ee9ng v\u1edbi oxy ho\u1eb7c hydro \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c h\u1ea1t dioxit silic th\u00f4ng qua c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc trong pha kh\u00ed.<\/p>\n\n\n\n
C\u00e1c h\u1ea1t silica \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u01b0\u1ee3c l\u1eafng \u0111\u1ecdng t\u1eebng l\u1edbp l\u00ean m\u1ed9t ch\u1ea5t n\u1ec1n, cu\u1ed1i c\u00f9ng t\u1ea1o th\u00e0nh th\u1ee7y tinh th\u1ea1ch anh c\u00f3 \u0111\u1ed9 \u0111\u1eb7c cao. Do c\u00e1c nguy\u00ean li\u1ec7u ban \u0111\u1ea7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tinh ch\u1ebf \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 c\u1ef1c cao, n\u00ean th\u1ee7y tinh th\u1ea1ch anh thu \u0111\u01b0\u1ee3c c\u00f3 h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t r\u1ea5t th\u1ea5p. Quy tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c \u0111\u00f2i h\u1ecfi \u0111\u1ed9 tinh khi\u1ebft quang h\u1ecdc cao, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1ee3i quang v\u00e0 c\u00e1c thi\u1ebft b\u1ecb quang t\u1eed ti\u00ean ti\u1ebfn.<\/p>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p l\u1eafng \u0111\u1ecdng h\u00f3a h\u1ecdc t\u1eeb pha kh\u00ed b\u1eb1ng plasma (PCVD)<\/h2>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p l\u1eafng \u0111\u1ecdng h\u00f3a h\u1ecdc b\u1eb1ng plasma l\u00e0 m\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a quy tr\u00ecnh CVD, trong \u0111\u00f3 n\u0103ng l\u01b0\u1ee3ng plasma \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u00edch ho\u1ea1t c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc. M\u00f4i tr\u01b0\u1eddng plasma gi\u00fap n\u00e2ng cao \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng v\u00e0 cho ph\u00e9p ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng.<\/p>\n\n\n\n
C\u00f4ng ngh\u1ec7 PCVD th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t c\u00e1c v\u1eadt li\u1ec7u quang h\u1ecdc ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong s\u1ea3n xu\u1ea5t s\u1ee3i quang v\u00e0 c\u00e1c linh ki\u1ec7n quang h\u1ecdc chuy\u00ean d\u1ee5ng. Quy tr\u00ecnh n\u00e0y cho ph\u00e9p ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a th\u1ee7y tinh th\u1ea1ch anh \u0111\u01b0\u1ee3c l\u1eafng \u0111\u1ecdng.<\/p>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p l\u1eafng \u0111\u1ecdng h\u01a1i h\u00f3a h\u1ecdc gi\u00e1n ti\u1ebfp<\/h2>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p l\u1eafng \u0111\u1ecdng h\u01a1i h\u00f3a h\u1ecdc gi\u00e1n ti\u1ebfp l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p quan tr\u1ecdng kh\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u1ee7y tinh th\u1ea1ch anh t\u1ed5ng h\u1ee3p c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao. Trong k\u1ef9 thu\u1eadt n\u00e0y, c\u00e1c kh\u00ed ti\u1ec1n ch\u1ea5t ch\u1ee9a silic tr\u01b0\u1edbc ti\u00ean \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a th\u00e0nh c\u00e1c h\u1ea1t silica m\u1ecbn th\u00f4ng qua c\u00e1c ph\u1ea3n \u1ee9ng \u1edf pha kh\u00ed. Sau \u0111\u00f3, c\u00e1c h\u1ea1t n\u00e0y \u0111\u01b0\u1ee3c thu th\u1eadp v\u00e0 n\u00e9n ch\u1eb7t th\u00f4ng qua qu\u00e1 tr\u00ecnh nung k\u1ebft \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 t\u1ea1o th\u00e0nh th\u1ee7y tinh th\u1ea1ch anh c\u00f3 \u0111\u1ed9 \u0111\u1eb7c cao.<\/p>\n\n\n\n
M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c h\u00f3a ch\u1ea5t ti\u1ec1n ch\u1ea5t c\u00f3 \u0111\u1ed9 tinh khi\u1ebft c\u1ef1c cao, gi\u00fap gi\u1ea3m thi\u1ec3u t\u1ea1p ch\u1ea5t kim lo\u1ea1i trong s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng. Trong qu\u00e1 tr\u00ecnh nung k\u1ebft, c\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd kh\u1eed n\u01b0\u1edbc th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng hydroxyl, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t truy\u1ec1n d\u1eabn quang h\u1ecdc \u1edf v\u00f9ng tia c\u1ef1c t\u00edm v\u00e0 tia c\u1ef1c t\u00edm s\u00e2u.<\/p>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p Sol\u2013Gel<\/h2>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p sol\u2013gel l\u00e0 m\u1ed9t quy tr\u00ecnh t\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o v\u1eadt li\u1ec7u silica \u1edf nhi\u1ec7t \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p. Trong ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, silic alkoxit ho\u1eb7c c\u00e1c h\u1ee3p ch\u1ea5t t\u01b0\u01a1ng t\u1ef1 \u0111\u01b0\u1ee3c th\u1ee7y ph\u00e2n v\u00e0 ng\u01b0ng t\u1ee5 \u0111\u1ec3 t\u1ea1o th\u00e0nh dung d\u1ecbch silica d\u1ea1ng keo, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 sol. Khi c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc di\u1ec5n ra, sol d\u1ea7n d\u1ea7n chuy\u1ec3n h\u00f3a th\u00e0nh m\u1ea1ng l\u01b0\u1edbi gel.<\/p>\n\n\n\n
Sau khi s\u1ea5y kh\u00f4 v\u00e0 x\u1eed l\u00fd nhi\u1ec7t, gel s\u1ebd chuy\u1ec3n h\u00f3a th\u00e0nh th\u1ee7y tinh th\u1ea1ch anh c\u00f3 \u0111\u1ed9 \u0111\u1eb7c cao. M\u1eb7c d\u00f9 quy tr\u00ecnh sol\u2013gel cho ph\u00e9p ki\u1ec3m so\u00e1t r\u1ea5t t\u1ed1t th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 c\u1ea5u tr\u00fac vi m\u00f4, nh\u01b0ng n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u h\u01a1n trong nghi\u00ean c\u1ee9u ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng quang h\u1ecdc chuy\u00ean bi\u1ec7t h\u01a1n l\u00e0 trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p quy m\u00f4 l\u1edbn.<\/p>\n\n\n\n
C\u00e1c lo\u1ea1i th\u1ee7y tinh th\u1ea1ch anh theo \u0111\u1ed9 trong su\u1ed1t<\/h2>\n\n\n\n
Th\u1ee7y tinh th\u1ea1ch anh th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh hai lo\u1ea1i d\u1ef1a tr\u00ean c\u00e1c \u0111\u1eb7c t\u00ednh quang h\u1ecdc: th\u1ee7y tinh th\u1ea1ch anh m\u1edd v\u00e0 th\u1ee7y tinh th\u1ea1ch anh trong su\u1ed1t.<\/p>\n\n\n\n
Th\u1ee7y tinh th\u1ea1ch anh \u0111\u1ee5c ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn c\u00e1c b\u1ecdt kh\u00ed vi m\u00f4 ho\u1eb7c c\u00e1c t\u00e2m t\u00e1n x\u1ea1 b\u00ean trong v\u1eadt li\u1ec7u, t\u1ea1o cho n\u00f3 v\u1ebb ngo\u00e0i m\u00e0u s\u1eefa ho\u1eb7c m\u1edd \u0111\u1ee5c. Lo\u1ea1i th\u1ee7y tinh th\u1ea1ch anh n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng nhi\u1ec7t \u0111\u1ed9 cao, thi\u1ebft b\u1ecb ch\u1ebf t\u1ea1o b\u00e1n d\u1eabn v\u00e0 n\u1ed3i nung \u0111\u1ec3 nu\u00f4i c\u1ea5y tinh th\u1ec3 silic.<\/p>\n\n\n\n
Th\u1ee7y tinh th\u1ea1ch anh trong su\u1ed1t ch\u1ee9a r\u1ea5t \u00edt h\u1ea1t t\u00e1n x\u1ea1 v\u00e0 h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t c\u1ef1c th\u1ea5p. N\u1ed3ng \u0111\u1ed9 b\u1ecdt kh\u00ed ho\u1eb7c khuy\u1ebft t\u1eadt th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb ph\u1ea7n tri\u1ec7u. Nh\u1edd \u0111\u1ed9 trong su\u1ed1t quang h\u1ecdc tuy\u1ec7t v\u1eddi, th\u1ee7y tinh th\u1ea1ch anh trong su\u1ed1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c linh ki\u1ec7n quang h\u1ecdc ch\u00ednh x\u00e1c, h\u1ec7 th\u1ed1ng laser v\u00e0 thi\u1ebft b\u1ecb quang t\u1eed.<\/p>\n\n\n\n
C\u00e1c khuy\u1ebft t\u1eadt trong th\u1ee7y tinh th\u1ea1ch anh<\/h2>\n\n\n\n
Hi\u1ec7u su\u1ea5t c\u1ee7a th\u1ee7y tinh th\u1ea1ch anh c\u00f3 m\u1ed1i li\u00ean h\u1ec7 m\u1eadt thi\u1ebft v\u1edbi \u0111\u1ed9 tinh khi\u1ebft h\u00f3a h\u1ecdc v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ea5u tr\u00fac c\u1ee7a n\u00f3. C\u00e1c khuy\u1ebft t\u1eadt ph\u00e1t sinh trong qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u th\u00f4 ho\u1eb7c trong c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn c\u00e1c t\u00ednh ch\u1ea5t quang h\u1ecdc v\u00e0 c\u01a1 h\u1ecdc c\u1ee7a n\u00f3.<\/p>\n\n\n\n
C\u00e1c khuy\u1ebft t\u1eadt trong th\u1ee7y tinh th\u1ea1ch anh th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh hai lo\u1ea1i: khuy\u1ebft t\u1eadt c\u1ea5u tr\u00fac v\u00e0 khuy\u1ebft t\u1eadt v\u0129 m\u00f4.<\/p>\n\n\n\n
C\u00e1c khuy\u1ebft t\u1eadt c\u1ea5u tr\u00fac xu\u1ea5t hi\u1ec7n \u1edf c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed ho\u1eb7c ph\u00e2n t\u1eed v\u00e0 th\u01b0\u1eddng do c\u00e1c t\u1ea1p ch\u1ea5t x\u00e2m nh\u1eadp v\u00e0o m\u1ea1ng tinh th\u1ec3 silica g\u00e2y ra. C\u00e1c t\u1ea1p ch\u1ea5t n\u00e0y th\u01b0\u1eddng c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb nguy\u00ean li\u1ec7u th\u1ea1ch anh th\u00f4 v\u00e0 c\u00f3 th\u1ec3 bao g\u1ed3m c\u00e1c nguy\u00ean t\u1ed1 kim lo\u1ea1i nh\u01b0 s\u1eaft ho\u1eb7c crom. Nh\u1eefng t\u1ea1p ch\u1ea5t n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c trung t\u00e2m h\u1ea5p th\u1ee5 l\u00e0m gi\u1ea3m \u0111\u1ed9 truy\u1ec1n s\u00e1ng.<\/p>\n\n\n\n
C\u00e1c nh\u00f3m hydroxyl l\u00e0 m\u1ed9t lo\u1ea1i t\u1ea1p ch\u1ea5t c\u1ea5u tr\u00fac quan tr\u1ecdng kh\u00e1c. Ch\u00fang th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong qu\u00e1 tr\u00ecnh nung ch\u1ea3y b\u1eb1ng ng\u1ecdn l\u1eeda do s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a hydro v\u00e0 h\u01a1i n\u01b0\u1edbc. C\u00e1c nh\u00f3m hydroxyl c\u00f3 th\u1ec3 l\u00e0m suy y\u1ebfu \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a li\u00ean k\u1ebft Si\u2013O v\u00e0 t\u1ea1o ra c\u00e1c d\u1ea3i h\u1ea5p th\u1ee5 trong v\u00f9ng h\u1ed3ng ngo\u1ea1i g\u1ea7n, \u0111\u1eb7c bi\u1ec7t l\u00e0 xung quanh c\u00e1c b\u01b0\u1edbc s\u00f3ng nh\u01b0 2,7 \u03bcm, 1,39 \u03bcm v\u00e0 0,9 \u03bcm. C\u00e1c d\u1ea3i h\u1ea5p th\u1ee5 n\u00e0y c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf hi\u1ec7u su\u1ea5t c\u1ee7a th\u1ee7y tinh th\u1ea1ch anh trong truy\u1ec1n th\u00f4ng c\u00e1p quang v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng laser.<\/p>\n\n\n\n
C\u00e1c khuy\u1ebft t\u1eadt v\u0129 m\u00f4 bao g\u1ed3m b\u1ecdt kh\u00ed, t\u1ea1p ch\u1ea5t, v\u00e2n s\u1ecdc v\u00e0 v\u1ebft n\u1ee9t. Nh\u1eefng khuy\u1ebft t\u1eadt n\u00e0y th\u01b0\u1eddng do qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y kh\u00f4ng \u0111\u1ee7, t\u1ea1p ch\u1ea5t trong nguy\u00ean li\u1ec7u th\u00f4 ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n l\u00e0m ngu\u1ed9i kh\u00f4ng ph\u00f9 h\u1ee3p g\u00e2y ra. Do silica n\u00f3ng ch\u1ea3y c\u00f3 \u0111\u1ed9 nh\u1edbt c\u1ef1c cao, c\u00e1c b\u1ecdt kh\u00ed b\u1ecb k\u1eb9t b\u00ean trong c\u00f3 th\u1ec3 kh\u00f3 tho\u00e1t ra ngo\u00e0i trong qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y. Ngo\u00e0i ra, th\u1ee7y tinh th\u1ea1ch anh c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, d\u1eabn \u0111\u1ebfn s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 \u0111\u00e1ng k\u1ec3 trong qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i. Nh\u1eefng ch\u00eanh l\u1ec7ch n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra \u1ee9ng su\u1ea5t nhi\u1ec7t b\u00ean trong v\u00e0 th\u1eadm ch\u00ed g\u00e2y ra n\u1ee9t v\u1ee1.<\/p>\n\n\n\n
\u1ea2nh h\u01b0\u1edfng c\u1ee7a \u1ee9ng su\u1ea5t d\u01b0 \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t quang h\u1ecdc<\/h2>\n\n\n\n
\u00c1p l\u1ef1c d\u01b0 trong th\u1ee7y tinh th\u1ea1ch anh l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng kh\u00e1c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u. Trong qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i t\u1eeb nhi\u1ec7t \u0111\u1ed9 cao, s\u1ef1 ph\u00e2n b\u1ed1 nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u gi\u1eefa b\u1ec1 m\u1eb7t v\u00e0 b\u00ean trong v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c tr\u01b0\u1eddng \u1ee9ng su\u1ea5t b\u00ean trong.<\/p>\n\n\n\n
\u00c1p l\u1ef1c kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 trong v\u1eadt li\u1ec7u. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y l\u00e0m thay \u0111\u1ed5i \u0111\u01b0\u1eddng truy\u1ec1n c\u1ee7a \u00e1nh s\u00e1ng v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng m\u00e9o quang h\u1ecdc, t\u00e1n x\u1ea1 ho\u1eb7c l\u00e0m gi\u1ea3m \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a \u0111\u1ed9 truy\u1ec1n qua. Hi\u1ec7n t\u01b0\u1ee3ng song kh\u00fac x\u1ea1 do \u00e1p l\u1ef1c g\u00e2y ra \u0111\u1eb7c bi\u1ec7t g\u00e2y kh\u00f3 kh\u0103n trong c\u00e1c h\u1ec7 th\u1ed1ng laser c\u00f4ng su\u1ea5t cao v\u00e0 c\u00e1c linh ki\u1ec7n quang h\u1ecdc ch\u00ednh x\u00e1c.<\/p>\n\n\n\n
Trong c\u00e1c thi\u1ebft b\u1ecb d\u1eabn s\u00f3ng quang h\u1ecdc nh\u01b0 m\u1ea1ng l\u01b0\u1edbi d\u1eabn s\u00f3ng, b\u1ed9 l\u1ecdc c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh v\u00e0 khoang laser, hi\u1ec7n t\u01b0\u1ee3ng song kh\u00fac x\u1ea1 do \u1ee9ng su\u1ea5t c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i c\u00e1c \u0111\u1eb7c t\u00ednh ph\u00e2n c\u1ef1c v\u00e0 g\u00e2y ra t\u1ed5n th\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o ph\u00e2n c\u1ef1c. S\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t nghi\u00eam tr\u1ecdng c\u0169ng c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i ph\u00e2n b\u1ed1 ch\u1ebf \u0111\u1ed9 quang h\u1ecdc, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n
Do \u0111\u00f3, vi\u1ec7c ki\u1ec3m so\u00e1t \u1ee9ng su\u1ea5t b\u00ean trong th\u00f4ng qua c\u00e1c \u0111i\u1ec1u ki\u1ec7n gia c\u00f4ng t\u1ed1i \u01b0u v\u00e0 c\u00e1c quy tr\u00ecnh \u1ee7 th\u00edch h\u1ee3p l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 s\u1ea3n xu\u1ea5t v\u1eadt li\u1ec7u th\u1ee7y tinh th\u1ea1ch anh ch\u1ea5t l\u01b0\u1ee3ng cao, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng quang h\u1ecdc \u0111\u00f2i h\u1ecfi kh\u1eaft khe.<\/p>\n\n\n\n
K\u1ebft lu\u1eadn<\/h2>\n\n\n\n
Th\u1ee7y tinh th\u1ea1ch anh l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng v\u1ec1 m\u1eb7t c\u00f4ng ngh\u1ec7, v\u1edbi c\u00e1c t\u00ednh ch\u1ea5t b\u1ecb \u1ea3nh h\u01b0\u1edfng m\u1ea1nh m\u1ebd b\u1edfi c\u1ea3 c\u1ea5u tr\u00fac vi m\u00f4 l\u1eabn quy tr\u00ecnh s\u1ea3n xu\u1ea5t. C\u00e1c c\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o hi\u1ec7n \u0111\u1ea1i, bao g\u1ed3m nung ch\u1ea3y b\u1eb1ng \u0111i\u1ec7n, nung ch\u1ea3y b\u1eb1ng ng\u1ecdn l\u1eeda, l\u1eafng \u0111\u1ecdng h\u01a1i h\u00f3a h\u1ecdc, l\u1eafng \u0111\u1ecdng h\u1ed7 tr\u1ee3 b\u1eb1ng plasma v\u00e0 t\u1ed5ng h\u1ee3p sol\u2013gel, cung c\u1ea5p nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u1ee7y tinh th\u1ea1ch anh v\u1edbi c\u00e1c m\u1ee9c \u0111\u1ed9 tinh khi\u1ebft v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ea5u tr\u00fac kh\u00e1c nhau.<\/p>\n\n\n\n
C\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ng\u1eebng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng quang h\u1ecdc ti\u00ean ti\u1ebfn, thi\u1ebft b\u1ecb b\u00e1n d\u1eabn v\u00e0 c\u00f4ng ngh\u1ec7 quang t\u1eed, nhu c\u1ea7u v\u1ec1 th\u1ee7y tinh th\u1ea1ch anh hi\u1ec7u su\u1ea5t cao s\u1ebd ti\u1ebfp t\u1ee5c gia t\u0103ng. Nh\u1eefng c\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c trong l\u0129nh v\u1ef1c tinh ch\u1ebf v\u1eadt li\u1ec7u, ki\u1ec3m so\u00e1t khuy\u1ebft t\u1eadt v\u00e0 qu\u1ea3n l\u00fd \u1ee9ng su\u1ea5t v\u1eabn l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a th\u1ee7y tinh th\u1ea1ch anh trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 khoa h\u1ecdc hi\u1ec7n \u0111\u1ea1i.<\/p>","protected":false},"excerpt":{"rendered":"
Quartz glass, commonly referred to as fused silica, is an amorphous material composed almost entirely of silicon dioxide (SiO\u2082). Unlike crystalline quartz, quartz glass does not possess a long-range ordered lattice structure. Instead, its atomic arrangement is typically described by the Continuous Random Network (CRN) model. In this structural model, silicon atoms are coordinated with […]<\/p>\n","protected":false},"author":1,"featured_media":2503,"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":[1],"tags":[524,522,523,521,511,529,530,526,528,532,520,75,531,527,525],"class_list":["post-2502","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-cvd-quartz-glass","tag-electric-fusion-quartz-glass","tag-flame-fusion-silica","tag-fused-silica-manufacturing","tag-high-purity-quartz-glass","tag-hydroxyl-in-fused-silica","tag-optical-quartz-materials","tag-pcvd-silica-process","tag-quartz-glass-defects","tag-quartz-glass-optical-properties","tag-quartz-glass-preparation","tag-semiconductor-quartz-materials","tag-silicon-dioxide-glass-manufacturing","tag-sol-gel-silica-glass","tag-synthetic-fused-silica"],"_links":{"self":[{"href":"https:\/\/www.fuyao-quartz.com\/vi\/wp-json\/wp\/v2\/posts\/2502","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fuyao-quartz.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fuyao-quartz.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fuyao-quartz.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fuyao-quartz.com\/vi\/wp-json\/wp\/v2\/comments?post=2502"}],"version-history":[{"count":1,"href":"https:\/\/www.fuyao-quartz.com\/vi\/wp-json\/wp\/v2\/posts\/2502\/revisions"}],"predecessor-version":[{"id":2504,"href":"https:\/\/www.fuyao-quartz.com\/vi\/wp-json\/wp\/v2\/posts\/2502\/revisions\/2504"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fuyao-quartz.com\/vi\/wp-json\/wp\/v2\/media\/2503"}],"wp:attachment":[{"href":"https:\/\/www.fuyao-quartz.com\/vi\/wp-json\/wp\/v2\/media?parent=2502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fuyao-quartz.com\/vi\/wp-json\/wp\/v2\/categories?post=2502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fuyao-quartz.com\/vi\/wp-json\/wp\/v2\/tags?post=2502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\"](\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/03\/Quartz-Ingot-for-Optical-Semiconductor-High-Temperature-Applications-9-1-1024x1024.jpg\")
<\/figure>\n\n\n\n