光学玻璃材料参数翻译

qukewei1980_200

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
  Code 2540 was a soda lime silicate glass based infrared transmitting,
8 U. M$ u/ w, ]  P0 ^6 _+ ~5 p2 Ovisible absorbing optical filter. Transmission for a 2.3mm glass was 57%
at 1000nm, and only ~ 20% at 900nm.
1 j: G: Y$ ]1 F* o1 B
  c  p$ n7 v; P; F7 o* kCode 2404 was a Soda zinc borosilicate glass sharp cut infrared
: @/ U+ L  g6 Btransmitting 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.
5 I( T' U1 n- K& v. s0 K! W  R
, X3 Y5 g0 t' g* h7 a. U9 t/ cWe do have much of the details on these glasses in the REMIS database of
properties, as well as composition information from the released
material folders in the TIC vault.

0 w7 t; H0 ]) |* b! TThese 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
3 _1 W3 n+ s, e5 o% C9 mKopp Filter Glass catalog that shows these filters have been produced by
' }4 G0 ]9 m7 g9 \6 tKopp. They have their own catalog numbers for them (CS-Number 7-56 =
7 V0 B1 Q) J" [6 n3 aCode 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the
Corning glass code numbers as well for each specific filter glass.