Skip to main content Skip to primary navigation
Business unit / dept.: Electro-Optic Materials

Long Wavepass filter

Long Wavepass filter

Long wavepass filters are designed to achieve efficient separation of adjacent spectral bands. The cut-on edge of the filter may be located between 0.85 and 11 microns

Actions

Spectral - additional

Transmission
>90%
at wavelengths longer than the cut-on edge. Extent of transmission region is typically in the ratio of 2:1
Attenuation
<0.1%
at wavelengths shorter than the cut-on edge.
Edge Slopes
3%-5% typically

Environmental Properties

Adhesion

MIL-C-48497A, 08/09/1980, para 4.5.3.1

Adhesion Remark

Tape test

Humidity

MIL-C-48497A, 08/09/1980, para 4.5.3.2

Humidity Remark

24hrs, 48°, 95% relative humidity

Abrasion

MIL-C-48497A, 08/09/1980, para 4.5.3.3

Abrasion Remark

Moderate, 50 strokes with a cheesecloth

Contact us for information or a quotation

Get in touch

Contact one of our locations

United Kingdom

Umicore Coating Services Ltd
Dundee
Electro-Optic Materials
T: +44 1382 833022
Kinnoull Street
DD2 3ED, Dundee