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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1 K$ ]# ^1 x. t
Code 2540 was a soda lime silicate glass based infrared transmitting,
* J/ J% }2 A/ |9 x2 j% A# bvisible absorbing optical filter. Transmission for a 2.3mm glass was 57% a5 R& [) h: E- d
at 1000nm, and only ~ 20% at 900nm. - r% w: L+ l' }1 y7 p% m+ g9 K" \* p2 ]
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Code 2404 was a Soda zinc borosilicate glass sharp cut infrared
' z/ C; b1 J, [! u1 xtransmitting filter, with the visible 50% transmission edge cut at ~1 M A* q: f+ Z2 x7 i0 G- t
630nm (3 mm thick glass). There is essentially no transmission below ~
- o. U# p! R' ?( ~585nm for the 3mm thickness.
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We do have much of the details on these glasses in the REMIS database of
5 V2 y1 V/ u0 b" Z: N5 }properties, as well as composition information from the released
: r W& q: [0 j, M1 I2 m7 }material folders in the TIC vault./ w$ C9 s1 M: D; A+ _
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These were just 2 of many filter glasses that Corning sold until the7 Y% G4 b+ y0 T% r: v' J" l
1990's. The business was sold to Kopp Glass of Pittsburgh, PA. I have a S7 {/ R* b0 E; K' L& z3 p1 h
Kopp Filter Glass catalog that shows these filters have been produced by
9 _( U9 K5 }7 sKopp. They have their own catalog numbers for them (CS-Number 7-56 =6 z0 o# d0 T& w- |- @/ ]/ v
Code 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the, ]3 H, j" r+ }
Corning glass code numbers as well for each specific filter glass. |
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发表于 2008-11-22 08:41:13