Schott FG13 Conversion Filter

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Schott FG13 Conversion Filter
Categories:	Ceramic; Glass; Optical; Filter
Material Notes:	Ionically colored glass. Data provided by the manufacturer, Schott Glas Mainz.. Similar glasses include BG34, FG3
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Physical Properties	Metric	English	Comments

Density	2.78 g/cc	0.100 lb/in³

Chemical Properties	Metric	English	Comments
Acid Class, SR	3.4	3.4
Alkali Class, AR	1	1
Stain Resistance Class, FR	1	1

Thermal Properties	Metric	English	Comments
CTE, linear	9.60 µm/m-°C @Temperature -30.0 - 70.0 °C	5.33 µin/in-°F @Temperature -22.0 - 158 °F
	10.5 µm/m-°C @Temperature 20.0 - 300 °C	5.83 µin/in-°F @Temperature 68.0 - 572 °F
Transformation Temperature, Tg	566 °C	1050 °F

Optical Properties	Metric	English	Comments
Refractive Index	1.55 @Wavelength 706.5 nm	1.55 @Wavelength 706.5 nm	He
	1.56 @Wavelength 587.6 nm	1.56 @Wavelength 587.6 nm	He
Transmission, Visible	<= 2.0 % @Wavelength 400 - 460 nm	<= 2.0 % @Wavelength 400 - 460 nm
	78 % @Wavelength 700 nm	78 % @Wavelength 700 nm	Internal transmittance of 86% at 700 nm.
IR Transmittance	87 - 88 % @Wavelength 1500 - 2100 nm	87 - 88 % @Wavelength 1500 - 2100 nm	Internal transmittance of 96-97% from 1500-2100 nm.
UV Transmittance	<= 0.0010 % @Wavelength 200 - 390 nm	<= 0.0010 % @Wavelength 200 - 390 nm	Internal transmittance of 0.001% from 200-390 nm.
Reflection Coefficient, Visible (0-1)	0.91 @Wavelength 587.6 nm	0.91 @Wavelength 587.6 nm	Reflection Factor P

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CSGT67 / 2056

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