Laser line interference filters | Global Trade leader ecrobot

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Laser line interference filters

Posting date : Aug 11, 2017

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Free Member Scince Oct 27, 2014

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Laser line interfere

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Gordon Zhang

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China [CN]

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Detailed Description

Laser line interference filters

These filters have extremely narrow band (+/-3nm and 10nm), broadband (+/-50nm and +/-80nm), and linear variable transmittance across the substrate. They are extremely angle sensitive, so care should be taken when mounting and placing them within an optical train. Although high selective, they do reduce throughput of the peak wavelengths significantly (make sure to compensate with increased illumination).

Capability

Material:	Borofloat, soda lime
Diameter tolerance:	+0.00/-0.10mm
Clear aperture:	>80%
Thickness tolerance:	+/-0.2mm
Surface quality:	80-50
Center wavelength CWL tolerance:	+/-30nm
Full width-half max FWHM tolerance:	+/-30nm
Transmission:	>80%
Optical density:	>3.0
Coating:	Band pass filter