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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% H' h& F/ ~+ ~/ O- P8 x* `( w0 Z
Code 2540 was a soda lime silicate glass based infrared transmitting,, w, J& I+ \7 J
visible absorbing optical filter. Transmission for a 2.3mm glass was 57%& f( o1 G0 p( D P7 g3 o/ Q
at 1000nm, and only ~ 20% at 900nm.
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+ [7 I+ r2 v4 H0 Z6 T" mCode 2404 was a Soda zinc borosilicate glass sharp cut infrared/ k( [! I" y1 i& u2 ^7 H
transmitting filter, with the visible 50% transmission edge cut at ~' m {& G6 r- Z! ]! A% R: _" p
630nm (3 mm thick glass). There is essentially no transmission below ~
9 n7 q; \3 f9 z. W, r5 A1 Y$ ~& o585nm for the 3mm thickness.+ c8 c# w3 x4 i c$ w
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We do have much of the details on these glasses in the REMIS database of, N4 U$ f* _9 T, Y2 z2 n" @
properties, as well as composition information from the released/ {. O$ g. h$ S+ w/ p9 X
material folders in the TIC vault.
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9 R. f% j5 E0 uThese were just 2 of many filter glasses that Corning sold until the
2 Z: h8 v7 a K+ M1990's. The business was sold to Kopp Glass of Pittsburgh, PA. I have a2 H4 ?- l+ \: a1 z
Kopp Filter Glass catalog that shows these filters have been produced by5 `1 c9 T1 r/ b* w
Kopp. They have their own catalog numbers for them (CS-Number 7-56 =
( B" t. k T& ?Code 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the
( I3 d' C2 c8 I/ Y. u$ ^' ZCorning glass code numbers as well for each specific filter glass. |
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