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大家好,有谁能帮我翻译下面这段话,是关于光学玻璃材料参数的内容
* T/ R% O, u, |& u; R Code 2540 was a soda lime silicate glass based infrared transmitting,1 M$ p- Z+ C; R" B! \. T
visible absorbing optical filter. Transmission for a 2.3mm glass was 57%
/ A4 x3 J+ S5 ^% bat 1000nm, and only ~ 20% at 900nm. " t+ @, E- N/ f3 L- n
! ?7 M/ Q: G# P$ o- G; s+ RCode 2404 was a Soda zinc borosilicate glass sharp cut infrared
* L) ?* @/ }+ I2 w$ y& gtransmitting filter, with the visible 50% transmission edge cut at ~
$ F" ]6 A/ ~! A4 }( P) z630nm (3 mm thick glass). There is essentially no transmission below ~
: p" O# }$ N% E% Y8 }585nm for the 3mm thickness.
) C \" W6 n8 W" D% {4 i& K0 N+ U8 z0 f
We do have much of the details on these glasses in the REMIS database of
$ T* i2 Y1 I# D& ^properties, as well as composition information from the released7 f% W5 Z- _1 ]7 C0 [
material folders in the TIC vault.4 l" R. J4 K6 c" L
# W, ~; P4 ]7 a E9 `These were just 2 of many filter glasses that Corning sold until the
6 y, O. K% S' w. J1990's. The business was sold to Kopp Glass of Pittsburgh, PA. I have a
3 B6 f( v& Z- U: O: _8 X; DKopp Filter Glass catalog that shows these filters have been produced by" x, l- u& o3 T' y) W( ^+ L
Kopp. They have their own catalog numbers for them (CS-Number 7-56 =% n1 M$ R# t v
Code 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the
& p4 ]2 _5 J. n- ZCorning glass code numbers as well for each specific filter glass. |
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