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Proceedings Paper

Optical filter for focal-plane applications
Author(s): Alexander V. Parfenov; Igor N. Kompanets
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Paper Abstract

An IR-spatial filter is proposed for usage in a focal plane. This filter screens the IR-array locally, where the IR signal is followed by a signal in the visible region (only noisy signals or jamming interferences are assumed to be followed by visible light). The filter discussed here is based on a photosensitive spatial light (IR) modulator, abruptly diminishing its transmittance in IR, when (and where) visible light intensity is over the settled threshold. The experiments were performed when the attenuation of interference was about one order.

Paper Details

Date Published: 25 November 1992
PDF: 5 pages
Proc. SPIE 1697, Acquisition, Tracking, and Pointing VI, (25 November 1992); doi: 10.1117/12.138170
Show Author Affiliations
Alexander V. Parfenov, P.N. Lebedev Physical Institute (Russia)
Igor N. Kompanets, P.N. Lebedev Physical Institute (Russia)

Published in SPIE Proceedings Vol. 1697:
Acquisition, Tracking, and Pointing VI
Michael K. Masten; Larry A. Stockum, Editor(s)

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