Schott UG2A Bandpass Filter

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Schott UG2A Bandpass Filter
Categories:	Ceramic; Glass; Optical; Filter
Material Notes:	Ionically colored glass, Bandpass filter. Transmission changes are possible under the action of intense ultraviolet radiation. Information provided by SCHOTT.
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Physical Properties	Metric	English	Comments

Density	2.60 g/cc	0.0939 lb/in³
Thickness	300 microns	11.8 mil

Chemical Properties	Metric	English	Comments
Acid Class, SR	1.0	1.0
Alkali Class, AR	1.3	1.3
Stain Resistance Class, FR	0.00	0.00

Thermal Properties	Metric	English	Comments
CTE, linear	8.70 µm/m-°C @Temperature -30.0 - 70.0 °C	4.83 µin/in-°F @Temperature -22.0 - 158 °F
	9.90 µm/m-°C @Temperature 20.0 - 200 °C	5.50 µin/in-°F @Temperature 68.0 - 392 °F
Transformation Temperature, Tg	484 °C	903 °F

Optical Properties	Metric	English	Comments
Refractive Index	1.523 @Wavelength 587.6 nm	1.523 @Wavelength 587.6 nm
	1.525 @Wavelength 546.1 nm	1.525 @Wavelength 546.1 nm
	1.546 @Wavelength 365 nm	1.546 @Wavelength 365 nm
	1.565 @Wavelength 302.1 nm	1.565 @Wavelength 302.1 nm
Transmission, Visible	<= 4.0 % @Wavelength 694 nm	<= 4.0 % @Wavelength 694 nm
	<= 52 % @Wavelength 750 nm	<= 52 % @Wavelength 750 nm
UV Transmittance	>= 7.0 % @Wavelength 303 nm	>= 7.0 % @Wavelength 303 nm
	<= 10 % @Wavelength 405 nm	<= 10 % @Wavelength 405 nm
	>= 81 % @Wavelength 365 nm	>= 81 % @Wavelength 365 nm
Reflection Coefficient, Visible (0-1)	0.918 @Wavelength 587.6 nm	0.918 @Wavelength 587.6 nm	Reflection Factor P

Descriptive Properties
Bubble class	2

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CSGT9857 / 183110

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