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Schott BG39 Band Pass Filter

Category Ceramic , Glass , Filter , Optical
Manufacturer Schott Glas Mainz
Trade Name
Port Ningbo port,China
Trade Terms EXW, FOB, CFR, CIF
Payment Terms L/C, T/T, PayPal
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Material Notes:
Ionically colored glass. Data provided by the manufacturer, Schott Glas Mainz.
Physical Properties Metric English Comments
Density 2.73 g/cc
0.0986 lb/in³
Thermal Properties Metric English Comments
CTE, linear 11.6 µm/m-°C
<br>@Temperature -30.0 - 70.0 °C
 6.44 µin/in-°F
<br>@Temperature -22.0 - 158 °F
13.1 µm/m-°C
<br>@Temperature 20.0 - 300 °C
 7.28 µin/in-°F
<br>@Temperature 68.0 - 572 °F
Transformation Temperature, Tg 321 °C
610 °F
Optical Properties Metric English Comments
Refractive Index 1.54
<br>@Wavelength 587.6 nm
 1.54
<br>@Wavelength 587.6 nm
 He
1.55
<br>@Wavelength 404.7 nm
 1.55
<br>@Wavelength 404.7 nm
 Hg
Transmission, Visible <= 1.0 %
<br>@Wavelength 660 - 700 nm
 <= 1.0 %
<br>@Wavelength 660 - 700 nm
88 %
<br>@Wavelength 480 - 520 nm
 88 %
<br>@Wavelength 480 - 520 nm
 Internal transmittance of 97% from 490-520 nm
IR Transmittance 79 %
<br>@Wavelength 2200 nm
 79 %
<br>@Wavelength 2200 nm
 Internal transmittance of 87% at 2200 nm.
UV Transmittance <= 4.0 %
<br>@Wavelength 200 - 320 nm
 <= 4.0 %
<br>@Wavelength 200 - 320 nm
77 %
<br>@Wavelength 390 nm
 77 %
<br>@Wavelength 390 nm
 Internal transmittance of 85%at 390 nm
Reflection Coefficient, Visible (0-1) 0.91
0.91
Chemical Properties Metric English Comments
Acid Class, SR 5.1
5.1
Alkali Class, AR 3
3
Stain Resistance Class, FR 0.0
0.0
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