Membrane-mirror-light-valve-based IR scene projector

Cardinal Warde; James E. Hubbard Jr.

doi:10.1117/12.177951

15 June 1994 Membrane mirror light-valve-based infrared scene projector

Cardinal Warde, James E. Hubbard Jr.

Proceedings Volume 2223, Characterization and Propagation of Sources and Backgrounds; (1994) https://doi.org/10.1117/12.177951
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States

Abstract

This paper reviews the principles of operation of the electron- beam-addressed membrane-mirror-light-valve-based IR scene projector, and reports on recent advances in it s development for the 3- to 5-micrometers waveband. In particular, recently built projectors with 128 X 128 pixels have exhibited 30-Hz flickerless operation, contrast rations in excess of 100:1 when read out with blackbody sources, and up to 75% readout optical efficiency. A compact high-efficiency readout optical system for coupling the output image into cameras and test systems was also explored.

Citation Download Citation

Cardinal Warde and James E. Hubbard Jr. "Membrane mirror light-valve-based infrared scene projector", Proc. SPIE 2223, Characterization and Propagation of Sources and Backgrounds, (15 June 1994); https://doi.org/10.1117/12.177951

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