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Ensinger PEI

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Schott BG12 Band Pass Filter
Categories: Ceramic; Glass; Optical; Filter

Material Notes: Ionically colored glass. Data provided by the manufacturer, Schott Glas Mainz.

Key Words: DIN BP 409/140
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 2.58 g/cc
 
Chemical PropertiesOriginal ValueComments
Acid Class, SR 1
Alkali Class, AR 1
Stain Resistance Class, FR 0.0
 
Thermal PropertiesOriginal ValueComments
CTE, linear 8.60 µm/m-°C
@Temperature -30.0 - 70.0 °C
 10.1 µm/m-°C
@Temperature 20.0 - 300 °C
Transformation Temperature, Tg 480 °C
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.52
@Wavelength 587.6 nm
He
 1.53
@Wavelength 404.7 nm
Hg
Transmission, Visible <= 1.0 %
@Wavelength 540 - 700 nm
 80 %
@Wavelength 390 - 400 nm
Internal transmittance of 87% from 390-400 nm
 80 %
@Wavelength 400 - 410 nm
Internal transmittance of 87% from 400-410 nm
IR Transmittance 75 %
@Wavelength 2500 - 2600 nm
Internal transmittance of 82% at 2600 nm.
UV Transmittance <= 0.040 %
@Wavelength 200 - 310 nm
Reflection Coefficient, Visible (0-1) 0.92
@Wavelength 587.6 nm
Reflection Factor P

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CSGT04 / 1993

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