<\/p>\n\n\n\t\t\t\t
<\/p>\n\n\n\n
\u1ed0ng th\u1ea1ch anh<\/a> l\u00e0 m\u1ed9t lo\u1ea1i thi\u1ebft b\u1ecb quang h\u1ecdc ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c khoa h\u1ecdc, c\u00f4ng nghi\u1ec7p v\u00e0 y t\u1ebf. H\u1ec7 s\u1ed1 kh\u00fac x\u1ea1 l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 quan tr\u1ecdng c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a \u1ed1ng th\u1ea1ch anh. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd tr\u00ecnh b\u00e0y chi ti\u1ebft v\u1ec1 h\u1ec7 s\u1ed1 kh\u00fac x\u1ea1 c\u1ee7a \u1ed1ng th\u1ea1ch anh v\u00e0 c\u00e1c kh\u00e1i ni\u1ec7m li\u00ean quan.<\/p>\n\n\n\n \u1ed0ng th\u1ea1ch anh<\/a> l\u00e0 c\u00e1c v\u1eadt th\u1ec3 h\u00ecnh tr\u1ee5 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u th\u1ea1ch anh, n\u1ed5i ti\u1ebfng v\u1edbi c\u00e1c t\u00ednh ch\u1ea5t quang h\u1ecdc xu\u1ea5t s\u1eafc. Th\u1ea1ch anh, l\u00e0 m\u1ed9t kho\u00e1ng v\u1eadt kh\u00f4ng m\u00e0u v\u00e0 trong su\u1ed1t, c\u00f3 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 cao v\u00e0 kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eabn \u00e1nh s\u00e1ng t\u1ed1t, khi\u1ebfn n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u0129nh v\u1ef1c quang h\u1ecdc. \u1ed0ng th\u1ea1ch anh<\/a> C\u00e1c v\u1eadt li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi \u0111\u1ed9 b\u1ec1n cao, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m h\u00f3a h\u1ecdc, thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 thi\u1ebft b\u1ecb laser.<\/p>\n\n\n\n H\u1ec7 s\u1ed1 kh\u00fac x\u1ea1 c\u1ee7a m\u1ed9t \u1ed0ng th\u1ea1ch anh<\/a> \u0110\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 t\u1ef7 l\u1ec7 gi\u1eefa g\u00f3c kh\u00fac x\u1ea1 v\u00e0 g\u00f3c t\u1edbi khi \u00e1nh s\u00e1ng \u0111i qua \u1ed1ng th\u1ea1ch anh. \u0110\u00e2y l\u00e0 m\u1ed9t t\u00ednh ch\u1ea5t quang h\u1ecdc quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 v\u00e0 h\u01b0\u1edbng truy\u1ec1n c\u1ee7a \u00e1nh s\u00e1ng trong m\u00f4i tr\u01b0\u1eddng. Th\u00f4ng th\u01b0\u1eddng, h\u1ec7 s\u1ed1 kh\u00fac x\u1ea1 c\u1ee7a \u1ed1ng th\u1ea1ch anh dao \u0111\u1ed9ng t\u1eeb 1.45 \u0111\u1ebfn 1.55, t\u00f9y thu\u1ed9c v\u00e0o t\u00ednh ch\u1ea5t quang h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u th\u1ea1ch anh v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a th\u00e0nh \u1ed1ng.<\/p>\n\n\n\n Ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng quang h\u1ecdc c\u1ee7a \u1ed1ng th\u1ea1ch anh. N\u00f3 x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t truy\u1ec1n quang c\u1ee7a c\u00e1c \u1ed1ng. Trong c\u00e1c \u1ee9ng d\u1ee5ng quang h\u1ecdc, \u00e1nh s\u00e1ng b\u1ecb kh\u00fac x\u1ea1 khi n\u00f3 \u0111i qua \u1ed1ng th\u1ea1ch anh. Ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 kh\u00f4ng ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn s\u1ef1 truy\u1ec1n v\u00e0 t\u1eadp trung \u00e1nh s\u00e1ng, do \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n Chi\u1ebft su\u1ea5t c\u1ee7a \u1ed0ng th\u1ea1ch anh<\/a> C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau, trong \u0111\u00f3 ph\u01b0\u01a1ng ph\u00e1p b\u00e1n ph\u1ea3n x\u1ea1 l\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ef1a tr\u00ean nguy\u00ean l\u00fd kh\u00fac x\u1ea1 \u00e1nh s\u00e1ng gi\u1eefa hai m\u00f4i tr\u01b0\u1eddng, \u0111o g\u00f3c kh\u00fac x\u1ea1 trong c\u1ea3 \u1ed1ng th\u1ea1ch anh v\u00e0 kh\u00f4ng kh\u00ed \u0111\u1ec3 t\u00ednh to\u00e1n ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1.<\/p>\n\n\n\n Ngo\u00e0i ra, g\u00f3c Brewster c\u00f2n c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 \u0111o chi\u1ebft su\u1ea5t c\u1ee7a \u1ed1ng th\u1ea1ch anh. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh g\u00f3c t\u1edbi sao cho g\u00f3c kh\u00fac x\u1ea1 l\u00e0 90 \u0111\u1ed9, gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng v\u00e0 mang l\u1ea1i ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 ch\u00ednh x\u00e1c nh\u1ea5t.<\/p>\n\n\n\n \u1ed0ng th\u1ea1ch anh<\/a> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u0129nh v\u1ef1c quang h\u1ecdc, vi\u1ec7c t\u00ednh to\u00e1n ch\u00ednh x\u00e1c ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 c\u1ee7a ch\u00fang l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng trong thi\u1ebft k\u1ebf quang h\u1ecdc v\u00e0 nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u00ednh to\u00e1n ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 c\u1ee7a \u1ed1ng th\u1ea1ch anh d\u1ef1a tr\u00ean ph\u01b0\u01a1ng tr\u00ecnh Fraunhofer, m\u00f4 t\u1ea3 quy lu\u1eadt kh\u00fac x\u1ea1 khi \u00e1nh s\u00e1ng di chuy\u1ec3n t\u1eeb m\u1ed9t m\u00f4i tr\u01b0\u1eddng (nh\u01b0 \u1ed1ng th\u1ea1ch anh) sang m\u00f4i tr\u01b0\u1eddng kh\u00e1c (ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u00f4ng kh\u00ed).<\/p>\n\n\n\n Vi\u1ec7c t\u00ednh ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u1ea3 ph\u01b0\u01a1ng ph\u00e1p \u0111o tr\u1ef1c ti\u1ebfp v\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh gi\u00e1n ti\u1ebfp. Ph\u01b0\u01a1ng ph\u00e1p \u0111o tr\u1ef1c ti\u1ebfp bao g\u1ed3m vi\u1ec7c s\u1eed d\u1ee5ng kh\u00fac x\u1ea1 k\u1ebf v\u00e0 c\u00e1c d\u1ee5ng c\u1ee5 th\u00ed nghi\u1ec7m kh\u00e1c \u0111\u1ec3 \u0111o ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i hi\u1ec7u chu\u1ea9n b\u1eb1ng v\u1eadt li\u1ec7u tham chi\u1ebfu c\u00f3 chi\u1ebft su\u1ea5t \u0111\u00e3 bi\u1ebft, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u00f4ng kh\u00ed ho\u1eb7c n\u01b0\u1edbc, tr\u01b0\u1edbc khi \u0111\u1eb7t \u1ed1ng th\u1ea1ch anh v\u00e0o thi\u1ebft b\u1ecb \u0111\u1ec3 \u0111o g\u00f3c kh\u00fac x\u1ea1 c\u1ee7a \u00e1nh s\u00e1ng truy\u1ec1n qua n\u00f3.<\/p>\n\n\n\n Ph\u01b0\u01a1ng ph\u00e1p t\u00ednh to\u00e1n gi\u00e1n ti\u1ebfp d\u1ef1a tr\u00ean c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a \u1ed0ng th\u1ea1ch anh<\/a>. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c v\u1ec1 th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u, nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c, \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean c\u00e1c m\u00f4 h\u00ecnh l\u00fd thuy\u1ebft v\u00e0 c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc. C\u00e1c c\u00f4ng th\u1ee9c th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m ph\u01b0\u01a1ng tr\u00ecnh Cauchy v\u00e0 Sellmeier, m\u00f4 t\u1ea3 m\u1ed1i quan h\u1ec7 gi\u1eefa h\u1ec7 s\u1ed1 kh\u00fac x\u1ea1 v\u00e0 b\u01b0\u1edbc s\u00f3ng.<\/p>\n\n\n\n N<\/em>=M\u1ed8T<\/em>+\u03bb<\/em>2B<\/em>\u200b +\u03bb<\/em>4C<\/em>\u200b+\u2026 \u1ede \u0111\u00e2u N<\/em> \u0111\u1ea1i di\u1ec7n cho ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1, M\u1ed8T<\/em>,B<\/em>,C<\/em> l\u00e0 c\u00e1c h\u1eb1ng s\u1ed1 v\u00e0 \u03bb<\/em> l\u00e0 b\u01b0\u1edbc s\u00f3ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u00ednh chi\u1ebft su\u1ea5t trong ph\u1ea1m vi b\u01b0\u1edbc s\u00f3ng ng\u1eafn h\u01a1n.<\/p>\n\n\n\n N<\/em>2=1+(\u03bb<\/em>2\u2212S<\/em>1M\u1ed8T<\/em>1\u00d7\u03bb<\/em>2\u200b)+(\u03bb<\/em>2\u2212S<\/em>2M\u1ed8T<\/em>2\u00d7\u03bb<\/em>2\u200b)+(\u03bb<\/em>2\u2212S<\/em>3M\u1ed8T<\/em>3\u00d7\u03bb<\/em>2\u200b)+\u2026 \u1ede \u0111\u00e2y, N<\/em> \u0111\u1ea1i di\u1ec7n cho ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1, M\u1ed8T<\/em>1,M\u1ed8T<\/em>2,M\u1ed8T<\/em>3 l\u00e0 h\u1eb1ng s\u1ed1 v\u00e0 S<\/em>1,S<\/em>2,S<\/em>3 l\u00e0 c\u00e1c v\u1ea1ch ph\u1ed5 \u0111\u1eb7c tr\u01b0ng. C\u00f4ng th\u1ee9c n\u00e0y c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng tr\u00ean ph\u1ea1m vi b\u01b0\u1edbc s\u00f3ng r\u1ed9ng h\u01a1n v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh d\u1ef1a tr\u00ean c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee5 th\u1ec3 c\u1ee7a \u1ed1ng th\u1ea1ch anh.<\/p>\n\n\n\n Chi\u1ebft su\u1ea5t c\u1ee7a \u1ed0ng th\u1ea1ch anh <\/a>b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1:<\/p>\n\n\n\n \u0110\u01b0\u1ee3c l\u00e0m t\u1eeb silica c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn \u0111\u1eb7c t\u00ednh quang h\u1ecdc c\u1ee7a silica, ph\u1ee5 thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u1ea5u tr\u00fac tinh th\u1ec3, t\u1ea1p ch\u1ea5t v\u00e0 \u0111\u1ed9 tinh khi\u1ebft.<\/p>\n\n\n\n B\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn chi\u1ebft su\u1ea5t. Trong \u1ed1ng th\u1ea1ch anh, chi\u1ebft su\u1ea5t th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o b\u01b0\u1edbc s\u00f3ng, v\u00ec c\u00e1c b\u01b0\u1edbc s\u00f3ng kh\u00e1c nhau truy\u1ec1n \u1edf t\u1ed1c \u0111\u1ed9 v\u00e0 h\u01b0\u1edbng kh\u00e1c nhau trong \u1ed1ng, g\u00e2y ra s\u1ef1 thay \u0111\u1ed5i chi\u1ebft su\u1ea5t.<\/p>\n\n\n\n Nhi\u1ec7t \u0111\u1ed9 c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng ch\u00fa \u00fd \u0111\u1ebfn ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1. Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean, t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a \u1ed1ng th\u1ea1ch anh c\u00f3 th\u1ec3 thay \u0111\u1ed5i do s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t, l\u00e0m thay \u0111\u1ed5i chi\u1ebft su\u1ea5t.<\/p>\n\n\n\n Ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 c\u0169ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i d\u01b0\u1edbi \u00e1p su\u1ea5t cao. \u00c1p su\u1ea5t b\u00ean ngo\u00e0i c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i c\u1ea5u tr\u00fac v\u1eadt l\u00fd c\u1ee7a \u1ed1ng th\u1ea1ch anh, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch \u00e1nh s\u00e1ng truy\u1ec1n \u0111i v\u00e0 do \u0111\u00f3 l\u00e0m thay \u0111\u1ed5i chi\u1ebft su\u1ea5t.<\/p>\n\n\n\n C\u00e1c y\u1ebfu t\u1ed1 nh\u1ecf kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 \u1ea9m v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u1eadt li\u1ec7u, c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 c\u1ee7a \u1ed1ng th\u1ea1ch anh. C\u1ea7n ph\u1ea3i xem x\u00e9t to\u00e0n di\u1ec7n t\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y \u0111\u1ec3 t\u00ednh to\u00e1n v\u00e0 m\u00f4 t\u1ea3 ch\u00ednh x\u00e1c ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1.<\/p>\n\n\n\n Ngo\u00e0i chi\u1ebft su\u1ea5t, \u0111\u1ed9 t\u00e1n s\u1eafc hay s\u1ef1 bi\u1ebfn thi\u00ean c\u1ee7a chi\u1ebft su\u1ea5t theo b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng c\u0169ng l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 quang h\u1ecdc quan tr\u1ecdng. Th\u00f4ng th\u01b0\u1eddng, c\u00e1c b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng kh\u00e1c nhau s\u1ebd c\u00f3 chi\u1ebft su\u1ea5t kh\u00e1c nhau trong \u1ed1ng th\u1ea1ch anh, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng t\u00e1n s\u1eafc trong qu\u00e1 tr\u00ecnh truy\u1ec1n \u00e1nh s\u00e1ng. \u1ed0ng th\u1ea1ch anh th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 ph\u00e2n t\u00e1n th\u1ea5p, \u1ea3nh h\u01b0\u1edfng t\u1ed1i thi\u1ec3u \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn quang h\u1ecdc.<\/p>\n\n\n\n Trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, h\u1ec7 s\u1ed1 kh\u00fac x\u1ea1 c\u1ee7a \u1ed0ng th\u1ea1ch anh<\/a> Th\u00f4ng th\u01b0\u1eddng, vi\u1ec7c l\u1ef1a ch\u1ecdn c\u1ea7n d\u1ef1a tr\u00ean c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb quang h\u1ecdc, vi\u1ec7c ki\u1ec3m so\u00e1t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. Th\u00f4ng th\u01b0\u1eddng, \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u, th\u00f4ng s\u1ed1 c\u1ea5u tr\u00fac v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a \u1ed1ng th\u1ea1ch anh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n\n\n\n Th\u00f4ng qua nghi\u00ean c\u1ee9u v\u00e0 ki\u1ec3m so\u00e1t ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 c\u1ee7a \u1ed1ng th\u1ea1ch anh, hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c, t\u1eeb \u0111\u00f3 th\u00fac \u0111\u1ea9y \u1ee9ng d\u1ee5ng v\u00e0 c\u00f4ng ngh\u1ec7 quang h\u1ecdc. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p cho ng\u01b0\u1eddi \u0111\u1ecdc nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc h\u01a1n v\u1ec1 chi\u1ebft su\u1ea5t c\u1ee7a \u1ed1ng th\u1ea1ch anh v\u00e0 \u00fd ngh\u0129a c\u1ee7a n\u00f3.<\/p>\n\n\n\n Global Quartz Tube chuy\u00ean cung c\u1ea5p c\u00e1c \u1ed1ng th\u1ea1ch anh ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ea7n thi\u1ebft cho nhi\u1ec1u \u1ee9ng d\u1ee5ng quang h\u1ecdc. \u0110\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft ho\u1eb7c y\u00eau c\u1ea7u, xin vui l\u00f2ng li\u00ean h\u1ec7 ch\u00fang t\u00f4i<\/a> ho\u1eb7c li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i t\u1ea1i contact@globalquartztube.com<\/a>.<\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>","protected":false},"excerpt":{"rendered":" Quartz tubes are a common type of optical instrument extensively used in scientific, industrial, and medical fields. The refractive index is a crucial parameter that significantly influences the performance and effectiveness of quartz tubes. This article will detail the refractive index of quartz tubes and its related concepts. Quartz tubes are cylindrical objects made from […]<\/p>\n","protected":false},"author":3,"featured_media":2899,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Understanding the Refractive Index of Quartz Tubes","_seopress_titles_desc":"Discover the importance of the refractive index in quartz tubes, how it's measured, calculated, and the factors affecting it for optimal optical performance.","_seopress_robots_index":"","_uag_custom_page_level_css":"","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":[],"ppma_author":[13],"class_list":["post-2892","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","author-casper-peng"],"uagb_featured_image_src":{"full":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/the-Refractive-Index-of-Quartz-Tubes.webp",1024,1024,false],"thumbnail":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/the-Refractive-Index-of-Quartz-Tubes-150x150.webp",150,150,true],"medium":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/the-Refractive-Index-of-Quartz-Tubes-300x300.webp",300,300,true],"medium_large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/the-Refractive-Index-of-Quartz-Tubes-768x768.webp",768,768,true],"large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/the-Refractive-Index-of-Quartz-Tubes.webp",1024,1024,false],"1536x1536":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/the-Refractive-Index-of-Quartz-Tubes.webp",1024,1024,false],"2048x2048":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/the-Refractive-Index-of-Quartz-Tubes.webp",1024,1024,false],"trp-custom-language-flag":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/the-Refractive-Index-of-Quartz-Tubes.webp",12,12,false]},"uagb_author_info":{"display_name":"Peng, Casper","author_link":"https:\/\/globalquartztube.com\/vi\/author\/casper-peng\/"},"uagb_comment_info":0,"uagb_excerpt":"Quartz tubes are a common type of optical instrument extensively used in scientific, industrial, and medical fields. The refractive index is a crucial parameter that significantly influences the performance and effectiveness of quartz tubes. This article will detail the refractive index of quartz tubes and its related concepts. Quartz tubes are cylindrical objects made from…","authors":[{"term_id":13,"user_id":3,"is_guest":0,"slug":"casper-peng","display_name":"Peng, Casper","avatar_url":{"url":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp","url2x":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":""}],"_links":{"self":[{"href":"https:\/\/globalquartztube.com\/vi\/wp-json\/wp\/v2\/posts\/2892","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/vi\/wp-json\/wp\/v2\/comments?post=2892"}],"version-history":[{"count":3,"href":"https:\/\/globalquartztube.com\/vi\/wp-json\/wp\/v2\/posts\/2892\/revisions"}],"predecessor-version":[{"id":4202,"href":"https:\/\/globalquartztube.com\/vi\/wp-json\/wp\/v2\/posts\/2892\/revisions\/4202"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/vi\/wp-json\/wp\/v2\/media\/2899"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/vi\/wp-json\/wp\/v2\/media?parent=2892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/vi\/wp-json\/wp\/v2\/categories?post=2892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/vi\/wp-json\/wp\/v2\/tags?post=2892"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/vi\/wp-json\/wp\/v2\/ppma_author?post=2892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}1. L\u00e0 g\u00ec Ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 c\u1ee7a \u1ed1ng th\u1ea1ch anh<\/strong><\/h2><\/div>\n\n\n\n
2. \u0110o ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1<\/h2><\/div>\n\n\n\n
2.1 C\u00e1c b\u01b0\u1edbc \u0111o c\u1ee5 th\u1ec3<\/strong><\/h3><\/div>\n\n\n\n
\n
3. Ph\u01b0\u01a1ng ph\u00e1p t\u00ednh chi\u1ebft su\u1ea5t c\u1ee7a \u1ed1ng th\u1ea1ch anh<\/strong><\/h2><\/div>\n\n\n\n
3.1 C\u00f4ng th\u1ee9c Cauchy<\/strong><\/h3><\/div>\n\n\n\n
3.2 C\u00f4ng th\u1ee9c Sellmeier<\/strong><\/h3><\/div>\n\n\n\n
4. C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1<\/strong><\/h2><\/div>\n\n\n\n
4.1 \u0110\u1eb7c t\u00ednh v\u1eadt li\u1ec7u<\/strong><\/strong>:<\/h3><\/div>\n\n\n\n
4.2 Nhi\u1ec7t \u0111\u1ed9<\/strong><\/strong>:<\/h3><\/div>\n\n\n\n
4.3 \u00c1p l\u1ef1c<\/strong><\/strong>:<\/h3><\/div>\n\n\n\n
5. Ph\u00e2n t\u00e1n trong \u1ed1ng th\u1ea1ch anh<\/strong><\/h2><\/div>\n\n\n\n
6. K\u1ebft lu\u1eadn:<\/h2><\/div>\n\n\n\n