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,
$ _* {2 B- V) [9 b/ Ivisible absorbing optical filter. Transmission for a 2.3mm glass was 57%
4 y; k8 `2 P" mat 1000nm, and only ~ 20% at 900nm.
. I$ @% V# Q5 g0 I
, }2 x+ Z. H4 n% [5 ~( z! v! sCode 2404 was a Soda zinc borosilicate glass sharp cut infrared
transmitting 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.
' a$ k, ?6 v. t, m$ |1 z$ l9 J
We do have much of the details on these glasses in the REMIS database of
properties, as well as composition information from the released
% t& M, Q; U7 m2 R. _/ I) l$ Umaterial folders in the TIC vault.

) `: c/ U* ~3 B7 E+ ~8 F/ _These were just 2 of many filter glasses that Corning sold until the
& U- M- B5 a' H: r9 A6 `1990's. The business was sold to Kopp Glass of Pittsburgh, PA. I have a
: I8 i; _+ S. C, M! GKopp Filter Glass catalog that shows these filters have been produced by
Kopp. They have their own catalog numbers for them (CS-Number 7-56 =
. @* \4 G* r3 C$ }, T7 `9 GCode 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the
+ z3 C& T3 \# w+ h$ L1 jCorning glass code numbers as well for each specific filter glass.