Articles

Electronically tunable, first‐order Fabry‐Pe´rot infrared filter

[+] Author Affiliations
Kenneth C. Herr

The Aerospace Corporation El Segundo, California 90245-4691

Opt. Eng. 35(8), 2313-2320 (Aug 01, 1996). doi:10.1117/1.600806
History: Received June 8, 1995; Revised Dec. 28, 1995; Accepted Dec. 28, 1995
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Abstract

A tunable IR filter capable of scanning from 8.2 to 12.8 μm has been designed, constructed, and tested. It is a first‐order Fabry‐Pe´rot interferometer with piezoelectrically driven cavity spacing. Multilayer dielectric coatings for the partially transmitting mirrors were designed to minimize the wavelength‐dependent phase change produced by reflection. The transmission bandwidth ranged from 2.8 to 4.0% across the tuning range. Continuous scanning at 20 Hz rates was demonstrated. © 1996 Society of Photo−Optical Instrumentation Engineers.


Citation

J. Thomas Knudtson ; David S. Levy and Kenneth C. Herr
"Electronically tunable, first‐order Fabry‐Pe´rot infrared filter", Opt. Eng. 35(8), 2313-2320 (Aug 01, 1996). ; http://dx.doi.org/10.1117/1.600806


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