Schott BG24A Band Pass Filter

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Schott BG24A 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 342/253
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Physical Properties	Metric	English	Comments

Density	2.72 g/cc	0.0983 lb/in³

Chemical Properties	Metric	English	Comments
Acid Class, SR	3	3
Alkali Class, AR	2	2
Stain Resistance Class, FR	0.0	0.0

Thermal Properties	Metric	English	Comments
CTE, linear	8.50 µm/m-°C @Temperature -30.0 - 70.0 °C	4.72 µin/in-°F @Temperature -22.0 - 158 °F
	9.70 µm/m-°C @Temperature 20.0 - 300 °C	5.39 µin/in-°F @Temperature 68.0 - 572 °F
Transformation Temperature, Tg	460 °C	860 °F

Optical Properties	Metric	English	Comments
Refractive Index	1.52 @Wavelength 1014 nm	1.52 @Wavelength 1014 nm	Hg
	1.53 @Wavelength 587.6 nm	1.53 @Wavelength 587.6 nm	He
	1.55 @Wavelength 365 nm	1.55 @Wavelength 365 nm	Hg
	1.59 @Wavelength 253.7 nm	1.59 @Wavelength 253.7 nm	Hg
Transmission, Visible	<= 1.0 % @Wavelength 560 - 630 nm	<= 1.0 % @Wavelength 560 - 630 nm
	89 % @Wavelength 400 nm	89 % @Wavelength 400 nm	Internal transmittance of 97% at 400 nm
IR Transmittance	89 % @Wavelength 730 - 750 nm	89 % @Wavelength 730 - 750 nm	Internal transmittance of 97% from 730-740 nm.
UV Transmittance	<= 20 % @Wavelength 200 - 210 nm	<= 20 % @Wavelength 200 - 210 nm
	91 % @Wavelength 320 - 380 nm	91 % @Wavelength 320 - 380 nm	Internal transmittance of 99% from 320-370 nm
Reflection Coefficient, Visible (0-1)	0.92 @Wavelength 587.6 nm	0.92 @Wavelength 587.6 nm	Reflection Factor P

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

CSGT07 / 1996

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