IR Cut-Off Filters

DeLn Optics Co.,Ltd. >>

Description

Infrared (IR) cut-off filters are used with color CCD or CMOS imagers to produce true color images. An IR cut-off filter blocks the transmission of the infrared while passing the visible.

Specifications

Material: Schott D263T or BK7 equivalent for coating filters. Absorptive optical glasses for absorptive filters
Thickness(mm): Schott D263T
Glass: 0.3, 0.5, 0.7 and 1.0mm. Other thickness available for BK7 glass
Dimensional tolerance: +/-0.1mm typical
Surface quality: 60/40 (scratch/dig). Grade 20/10 or better is also available on custom basis.
Tavg.≥90% @400 ~ 620 nm
T=50% ,As customer’spec (630/640/648/650/660/680/690)
Tmax≤1% @750 ~ 850 nm
Tavg. <1.35% @850 ~ 1000 nm
Tavg. <2% @1000 ~ 1050 nm
Tavg.< 4% @1050 ~ 1100

Product line:	Optical Components
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Product line:

Optical Components

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