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大家好,有誰能幫我翻譯下面這段話,是關于光學玻璃材料參數的內容
! l# u) b/ v% c( q Code 2540 was a soda lime silicate glass based infrared transmitting,
8 e. b2 F4 ^$ A$ ]- }7 C* Fvisible absorbing optical filter. Transmission for a 2.3mm glass was 57%3 h0 F& X+ F C9 |1 z# S
at 1000nm, and only ~ 20% at 900nm.
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Code 2404 was a Soda zinc borosilicate glass sharp cut infrared
V* w# P6 B4 G+ jtransmitting filter, with the visible 50% transmission edge cut at ~1 N4 p% C2 Q p4 @0 U4 c; L
630nm (3 mm thick glass). There is essentially no transmission below ~
- Q( p! V/ q8 l9 n% O7 J) X. j585nm for the 3mm thickness.
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We do have much of the details on these glasses in the REMIS database of
" g7 p+ ?0 t5 y `properties, as well as composition information from the released
3 G( n/ E8 o) T2 G$ gmaterial folders in the TIC vault.) d. u# N! v$ o* \
$ l+ L& k* n9 gThese were just 2 of many filter glasses that Corning sold until the
8 p* L) Y& [) A" |- a9 G1990's. The business was sold to Kopp Glass of Pittsburgh, PA. I have a
. p4 g Y/ g' p+ F$ N3 z" n! K1 mKopp Filter Glass catalog that shows these filters have been produced by
5 `* Q, ?$ {' C: K6 O- Z$ e5 oKopp. They have their own catalog numbers for them (CS-Number 7-56 =; u5 i8 Q/ k- b% `5 A7 a
Code 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the
, |7 v5 b) [1 K6 _8 x0 @" a3 V( {' W& oCorning glass code numbers as well for each specific filter glass. |
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