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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. W- V+ \; \$ e4 C
Code 2540 was a soda lime silicate glass based infrared transmitting,
2 g. d) z* r: ~6 Kvisible absorbing optical filter. Transmission for a 2.3mm glass was 57%) m. A! \) p2 ]# Y* q6 I
at 1000nm, and only ~ 20% at 900nm.
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* z J8 I3 @+ T: f0 ^7 [) wCode 2404 was a Soda zinc borosilicate glass sharp cut infrared& \9 c( M U( m% a) I4 Y' K6 \
transmitting filter, with the visible 50% transmission edge cut at ~ X6 k& i$ U3 f/ l" M0 v
630nm (3 mm thick glass). There is essentially no transmission below ~
/ C+ i0 |/ O7 n+ g8 X2 s585nm for the 3mm thickness.4 E& s8 x- ~ V1 s4 R; t- f$ b
- p6 E. S5 e+ z! zWe do have much of the details on these glasses in the REMIS database of
) E- J+ P t& m% L2 q9 g) Iproperties, as well as composition information from the released/ J0 j. Y L% z1 ^4 h
material folders in the TIC vault.) d" b: l+ e! E5 C& B# J9 K3 {3 z
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These were just 2 of many filter glasses that Corning sold until the
# M3 N6 H% y% Z/ q1990's. The business was sold to Kopp Glass of Pittsburgh, PA. I have a
+ _' m+ o& D0 r( D; HKopp Filter Glass catalog that shows these filters have been produced by
# l& G3 w: Y) g3 g3 |Kopp. They have their own catalog numbers for them (CS-Number 7-56 =6 W" V& {: M; {
Code 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the; e- p4 r$ L+ v: i* t: q
Corning glass code numbers as well for each specific filter glass. |
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发表于 2008-11-22 08:41:13