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大家好,有誰能幫我翻譯下面這段話,是關于光學玻璃材料參數的內容
0 O# b$ p: ]) _ U& y/ m# P- u Code 2540 was a soda lime silicate glass based infrared transmitting,. g6 H5 m2 l4 f; p8 y
visible absorbing optical filter. Transmission for a 2.3mm glass was 57%7 F1 Q+ B6 N4 e. J) l3 z
at 1000nm, and only ~ 20% at 900nm.
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" S5 {" o* i0 S% Q$ C: QCode 2404 was a Soda zinc borosilicate glass sharp cut infrared( n) l8 Z2 d) W `
transmitting filter, with the visible 50% transmission edge cut at ~5 r: b8 d) s" w
630nm (3 mm thick glass). There is essentially no transmission below ~1 k7 `+ K( \, u5 e& ~0 d
585nm for the 3mm thickness.
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9 Q8 X- ^, u2 z0 b+ rWe do have much of the details on these glasses in the REMIS database of
/ z" b( N/ y7 y' b* N- j4 W( ~properties, as well as composition information from the released- x- ^# [3 C' p( c( k9 B
material folders in the TIC vault.
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These were just 2 of many filter glasses that Corning sold until the
9 Y% X( B9 h2 W0 W+ W/ T3 q2 K* e* h1990's. The business was sold to Kopp Glass of Pittsburgh, PA. I have a
3 F; c0 C) j. x7 i1 r9 OKopp Filter Glass catalog that shows these filters have been produced by3 l! [* T! q$ p3 B" R" v5 z
Kopp. They have their own catalog numbers for them (CS-Number 7-56 =: a' K/ w) u, `7 H- n- C
Code 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the
. I+ _! G8 Z$ [Corning glass code numbers as well for each specific filter glass. |
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