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,
$ Q$ @% @* j" K, @; Y$ ?visible absorbing optical filter. Transmission for a 2.3mm glass was 57%
at 1000nm, and only ~ 20% at 900nm.
- O# q, v5 i( F; N* M4 ~+ o
Code 2404 was a Soda zinc borosilicate glass sharp cut infrared
6 c4 A5 V" }4 Z3 b0 ^' W7 i) ttransmitting filter, with the visible 50% transmission edge cut at ~
; R* E- m+ g8 K7 R! M" T8 c6 Z2 s630nm (3 mm thick glass). There is essentially no transmission below ~
585nm for the 3mm thickness.

We do have much of the details on these glasses in the REMIS database of
properties, as well as composition information from the released
* o& ^3 U: P6 l& }% lmaterial folders in the TIC vault.

; q: A& s7 `: z; z1 s! `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
8 U$ R+ ]( i  h! s$ g6 RKopp Filter Glass catalog that shows these filters have been produced by
5 F' A6 d% x* OKopp. They have their own catalog numbers for them (CS-Number 7-56 =
. I  n9 C1 _4 i4 D! w/ `Code 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the
0 L6 ]# t: F2 s" m* U* `/ ]& E/ KCorning glass code numbers as well for each specific filter glass.