Infrared optical filter GCC-3020 series
visible lightvariable neutral-densitybroadband

infrared optical filter
infrared optical filter
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Type of optics
infrared, visible light
Other characteristics
variable neutral-density, broadband, linear, BK7


This ND filters provides linearly varying attenuation or beamsplitting in the visible and near infrared region. The optical density varies linearly across the length.Attenuation is achieved by a thin film of Ni-Cr-Fe protected with an overcoat of SiO. The rear surface is broadband AR coated for the visible region. •Dimension Tolerance: +0.0/-0.2 •Clear Aperture: 90% of length and 80% of width •Optical Density(OD): 0.8-2.0±5%@632.8nm •Linearity of Optical Density: ±5% •Coating: S1:Ni-Cr-Fe S2:Broadband AR coated, Rave<0.5% for 420-675nm at 0-15º incidence.


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