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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
4 [8 _6 n% p9 N+ y$ p Code 2540 was a soda lime silicate glass based infrared transmitting,
3 c3 p/ {4 j, d# W) Gvisible absorbing optical filter. Transmission for a 2.3mm glass was 57%' s! [4 _' F) h2 f4 U0 m
at 1000nm, and only ~ 20% at 900nm.
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Code 2404 was a Soda zinc borosilicate glass sharp cut infrared
+ [8 B2 S. x2 k6 w; B. a. `% F: S0 J, Ctransmitting filter, with the visible 50% transmission edge cut at ~! A4 j+ N' j* y/ ]" T, y& o
630nm (3 mm thick glass). There is essentially no transmission below ~1 L; {6 e8 i+ ?
585nm for the 3mm thickness.: l& D" B- z. N1 t! C6 d- f
( U, Q. [* A# Z6 y" [We do have much of the details on these glasses in the REMIS database of+ @. D+ k" D9 Q' j
properties, as well as composition information from the released8 r6 J8 w4 b, j
material folders in the TIC vault.
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9 ?8 N$ }4 E0 ~7 e" TThese were just 2 of many filter glasses that Corning sold until the
1 |3 V6 O' }8 a! m# Z1990's. The business was sold to Kopp Glass of Pittsburgh, PA. I have a
# n, E( L) F! o' u3 p4 F% eKopp Filter Glass catalog that shows these filters have been produced by( y/ \6 |8 {. y7 ~; z0 u2 p% i
Kopp. They have their own catalog numbers for them (CS-Number 7-56 =9 F, P" H* x* f1 I
Code 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the
5 w. ~7 t9 b- T, A9 }Corning glass code numbers as well for each specific filter glass. |
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