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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 \9 t" u o+ c! ]# ?- G1 k Code 2540 was a soda lime silicate glass based infrared transmitting,7 e& {( H$ g$ A8 h! o+ Q+ q v( n
visible absorbing optical filter. Transmission for a 2.3mm glass was 57%( t! g& R/ f, ]
at 1000nm, and only ~ 20% at 900nm. $ J) t* Z2 ?! Q! e7 W3 e& {
, z$ E9 m2 u- G: L; ]! P. cCode 2404 was a Soda zinc borosilicate glass sharp cut infrared
9 H/ r) |) t1 A. g' A, Vtransmitting filter, with the visible 50% transmission edge cut at ~
* C& H% |8 y, L4 A4 E630nm (3 mm thick glass). There is essentially no transmission below ~
' V: l3 p9 \4 {1 K# ~* J& g585nm for the 3mm thickness.- i$ \# i3 _; P
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We do have much of the details on these glasses in the REMIS database of
9 `0 s2 D& x7 C7 cproperties, as well as composition information from the released
- E" `5 B" x* F. }/ f$ c# d, ^material folders in the TIC vault.
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' R2 M$ K5 M3 j" `9 Y4 Z$ aThese were just 2 of many filter glasses that Corning sold until the7 P* D7 O: w z+ \* P5 n* t# W" O) k& {
1990's. The business was sold to Kopp Glass of Pittsburgh, PA. I have a6 e7 W* D+ x8 E% M
Kopp Filter Glass catalog that shows these filters have been produced by) B+ R5 n; [$ i# E8 y% }) J' C
Kopp. They have their own catalog numbers for them (CS-Number 7-56 =, y" V1 w. B* F3 d& Z' E# C8 ^
Code 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the
) q, P# P4 D" TCorning glass code numbers as well for each specific filter glass. |
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发表于 2008-11-22 08:41:13