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Proceedings Paper

Dual Tunable Fabry-Perot: A New Concept For Spectrally Agile Filtering
Author(s): A. K. Jain; W. W. Durand; G. R. Knowles; J. G. Droessler; M. J. Lavan
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Paper Abstract

Honeywell has developed a spectrally agile infrared filter based on the dual tunable Fabry-Perot (DTFP) concept. A DTFP transmits broad or narrow spectral bands which are tunable over a large spectral range. Harmonic spectral transmission can be eliminated by maintaining staggered cavity orders. Several DTFP filters have been fabricated and tested. A closed-loop, capacitive control system is used to adjust plate alignment and spacing. DTFP transmission greater than 0.8 and drive and stabilization times of less than 4.0 milliseconds have been demonstrated. DTFP design considerations and experimental performance data will be discussed.

Paper Details

Date Published: 21 July 1981
PDF: 7 pages
Proc. SPIE 0268, Imaging Spectroscopy I, (21 July 1981); doi: 10.1117/12.959942
Show Author Affiliations
A. K. Jain, Honeywell Systems and Research Center (United States)
W. W. Durand, Honeywell Systems and Research Center (United States)
G. R. Knowles, Honeywell Systems and Research Center (United States)
J. G. Droessler, Honeywell Systems and Research Center (United States)
M. J. Lavan, U.S. Army BMDATC (United States)


Published in SPIE Proceedings Vol. 0268:
Imaging Spectroscopy I
David D. Norris, Editor(s)

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