Low-pass optical filter GCC-211 series

low-pass optical filter
low-pass optical filter
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Characteristics

Type of optics
low-pass

Description

Optical Short-pass Filters are coated on a substrate of fused silica, which allows the transmission of any wavelength shorter than the cut-off wavelength and block any wavelength longer than the cut-off. •Substrate: Fused silica •Dimension Tolerance: +0/-0.2 •Thickness: 4+/-0.2 •Parallelism: <3‘ •Flatness: λ/4 •Surface Quality: 40-20 scratch-dig •Clear Aperture: 90% Diameter •Transmission: T≥85% •Blocking: T≤1%

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