|
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
! g0 v6 l( {; ~( Z2 F Code 2540 was a soda lime silicate glass based infrared transmitting,+ W/ t$ d$ {8 j2 e
visible absorbing optical filter. Transmission for a 2.3mm glass was 57%$ G: W5 s0 P3 w+ l8 W3 s# N
at 1000nm, and only ~ 20% at 900nm.
7 H. V; d' g* K6 b' l1 E
0 ^# F' u/ w. k6 X* }0 w' a! ]Code 2404 was a Soda zinc borosilicate glass sharp cut infrared( i3 S( ^$ h8 f8 c8 F* X* ], V
transmitting filter, with the visible 50% transmission edge cut at ~
. b4 z9 E" |# F2 I) S630nm (3 mm thick glass). There is essentially no transmission below ~
0 ~3 }$ ^. `+ x( X6 U0 I585nm for the 3mm thickness.
# ^5 ` ^# P+ p( O" h) Z
% i2 N' K4 X6 G4 y D: i0 iWe do have much of the details on these glasses in the REMIS database of, Z0 v: B, t, ~5 O D
properties, as well as composition information from the released) k" T4 V5 h* |0 `
material folders in the TIC vault.3 b5 n$ k2 ]5 ^/ @$ [: F1 o1 f
+ [, T3 s; u% @5 s7 z6 X: T
These were just 2 of many filter glasses that Corning sold until the5 T- M% ^8 c6 I, X) @' i* c
1990's. The business was sold to Kopp Glass of Pittsburgh, PA. I have a7 k* L0 }7 l- v5 s; v; m; I8 [7 O
Kopp Filter Glass catalog that shows these filters have been produced by) m+ q0 I2 x) y# |& y
Kopp. They have their own catalog numbers for them (CS-Number 7-56 =
: ~9 v. ]/ m- b- q0 p2 W! i% j$ p- ?* vCode 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the, q' M/ e, }4 N n$ E% R
Corning glass code numbers as well for each specific filter glass. |
|