Schott S-8612 Bandpass Filter

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Schott S-8612 Bandpass Filter
Categories:	Ceramic; Glass; Optical; Filter
Material Notes:	Excellent optical properties include high transmission in addition to high blocking with a very narrow transition range. Furthermore, this glass is an ideal bandpass filter for visual areas when high absorption in the near infrared (NIR) wavelength range is required. The slope of the IR edge is exceptional, and guarantees a sharp distinction between visible light and NIR radiation. Advantages Extraordinarily high transmittance in the visible range High NIR absorption Excellent inner quality, e. g. low striae Allows true color imaging Applications: Medical Imaging Surveillance NVIS (night vision) Industrial applications Information provided by SCHOTT.
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Physical Properties	Original Value	Comments

Density	2.66 g/cc
Thickness	100 microns

Chemical Properties	Original Value	Comments
Acid Class, SR	3.0
Alkali Class, AR	3.0
Stain Resistance Class, FR	0.00

Thermal Properties	Original Value	Comments
CTE, linear	9.50 µm/m-°C @Temperature 20.0 - 300 °C
Transformation Temperature, Tg	391 °C

Optical Properties	Original Value	Comments
Refractive Index	1.54 @Wavelength 587.6 nm
Transmission, Visible	<= 0.020 % @Wavelength 700 nm
	8.0 % @Wavelength 660 nm
	>= 48 % @Wavelength 600 nm
	>= 96 % @Wavelength 500 nm
IR Transmittance	<= 0.0010 % @Wavelength 890 nm
	6.3 % @Wavelength 1400 nm
	<= 8.2 % @Wavelength >=2900 nm
	80 % @Wavelength 2000 - 2600 nm
UV Transmittance	<= 7.0 % @Wavelength <=310 nm
Reflection Coefficient, Visible (0-1)	0.914 @Wavelength 587.6 nm	Reflection Factor P

Descriptive Properties
Bubble class	1

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CSGT9841 / 183094

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