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大家好，有誰能幫我翻譯下面這段話，是關(guān)于光學(xué)玻璃材料參數(shù)的內(nèi)容
9 D# R1 I' t# V6 }7 @8 a4 ^8 t Code 2540 was a soda lime silicate glass based infrared transmitting,
- K2 a6 ~7 i, p) U9 |visible absorbing optical filter. Transmission for a 2.3mm glass was 57%
. o! `. q: K4 l; Rat 1000nm, and only ~ 20% at 900nm. A" ]3 J9 a0 h7 {
/ _+ e7 `8 e7 A& e5 E9 X6 GCode 2404 was a Soda zinc borosilicate glass sharp cut infrared+ u6 t0 j% V r4 W# l
transmitting filter, with the visible 50% transmission edge cut at ~
/ `* P2 r$ V/ x! c1 f: |" _0 r8 G630nm (3 mm thick glass). There is essentially no transmission below ~+ v& a F {* U( A; @7 E
585nm for the 3mm thickness.7 {+ w; `9 E1 m/ f; t* k9 r
# z" ^) V3 l3 tWe do have much of the details on these glasses in the REMIS database of
" A( F7 d& {* J$ G4 w+ c( V& rproperties, as well as composition information from the released6 c8 f5 u/ [; V
material folders in the TIC vault.$ J: {- T0 s, X" a/ Z. D$ o
( G& M4 L; w A( t3 d" yThese were just 2 of many filter glasses that Corning sold until the) P o- g# C' Q: y3 R0 N `
1990's. The business was sold to Kopp Glass of Pittsburgh, PA. I have a+ v5 P+ a5 c* W1 j6 s; O2 R
Kopp Filter Glass catalog that shows these filters have been produced by1 J+ x- W7 r8 \- }, p8 z2 l
Kopp. They have their own catalog numbers for them (CS-Number 7-56 =
- p% L2 F/ d: ~+ oCode 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the" Y& I# U. ~6 J3 Z4 G* \" d8 C
Corning glass code numbers as well for each specific filter glass. |
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發(fā)表于 2008-11-22 08:41:13
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