High-end Infrared (IR) Filters
for Research, Imaging & Production

ILP4000

Longpass Filter

Infrared Longpass Filter 4000 nm
50 % Cut on 3910 ± 20 nm
50 % Cut off 4000 ± 30 nm
TWR 4070 - 5000 nm
Tavg ≥ 90%
Blocking 2000 nm -  3900 nm
Tavg ≤ 1%
Typical filter thickness 1.0 mm
Substrate material Sapphire

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If you cannot find your required filter please contact us:

Phone:   +49 (0) 7153 / 9258-0
Fax:  +49 (0) 7153 / 9258-160
E-mail: info@ir-filter.com

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