Dual Tunable Fabry-Perot: A New Concept For Spectrally Agile Filtering

A. K. Jain; W. W. Durand; G. R. Knowles; J. G. Droessler; M. J. Lavan

doi:10.1117/12.959942

21 July 1981 Dual Tunable Fabry-Perot: A New Concept For Spectrally Agile Filtering

A. K. Jain, W. W. Durand, G. R. Knowles, J. G. Droessler, M. J. Lavan

Proceedings Volume 0268, Imaging Spectroscopy I; (1981) https://doi.org/10.1117/12.959942
Event: 1981 Los Angeles Technical Symposium, 1980, Los Angeles, United States

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.

Citation Download Citation

A. K. Jain, W. W. Durand, G. R. Knowles, J. G. Droessler, and M. J. Lavan "Dual Tunable Fabry-Perot: A New Concept For Spectrally Agile Filtering", Proc. SPIE 0268, Imaging Spectroscopy I, (21 July 1981); https://doi.org/10.1117/12.959942

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