光學(xué)玻璃材料參數(shù)翻譯

qukewei1980_200

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
  Code 2540 was a soda lime silicate glass based infrared transmitting,
3 J2 `+ g5 N; I- T) h6 lvisible absorbing optical filter. Transmission for a 2.3mm glass was 57%
at 1000nm, and only ~ 20% at 900nm.
5 V' g. e5 H; R& Q
Code 2404 was a Soda zinc borosilicate glass sharp cut infrared
" `. \5 C- L5 N7 }2 q2 Ctransmitting filter, with the visible 50% transmission edge cut at ~
630nm (3 mm thick glass). There is essentially no transmission below ~
585nm for the 3mm thickness.

2 f. H$ T8 l0 V) eWe do have much of the details on these glasses in the REMIS database of
properties, as well as composition information from the released
) S. I; R6 h. G9 b" tmaterial folders in the TIC vault.

These were just 2 of many filter glasses that Corning sold until the
1990's. The business was sold to Kopp Glass of Pittsburgh, PA. I have a
, N1 r' W& p7 E. U. v$ z5 D3 VKopp Filter Glass catalog that shows these filters have been produced by
, d) q: g1 s) `, h. [Kopp. They have their own catalog numbers for them (CS-Number 7-56 =
0 P9 @2 B* g. Q; mCode 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the
. B; {. u! H  z4 O: ^% }& f9 SCorning glass code numbers as well for each specific filter glass.