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Cut-off Filter

A cut-off filter is a filter that can filter out all long or short waves from a composite beam while retaining only the desired band range.

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A cut-off filter is a filter that can filter out all long or short waves from a composite beam while retaining only the desired band range.

Basic Technical Parameters


Central Wavelength:Customized as customer need

Angle of Incidence :0°

Semi-peak Bandwidth :30nm

Peak Transmittance :>90%( Customized )

Product Dimension :3mm-80mm( Customized )

Cut-off Wavelength :200nm-1100nm( Customized )

Cit-off Depth :>OD3-OD6  UV-NIR

Product Material :Optical Grade Glass( K9,BK7,B270,D263T,JGS1,Color glass,Float Glass, etc., )

Surface Quality :60/40;40/20;20/10


"Quality first, customer first, development and innovation"
Nanjing April Electro-Optics Ltd. founded in 2012, is specialized in high-precision cold processing of crystal materials, with sapphire, quartz and optical glass as raw materials. Core products including window, lens, crystal rod, prism, ball, filter, cylindrical mirror, ball cover, and so forth. 

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