Cryogenic tunable near-infrared Fabry Perot interferometer for Next Generation Space Telescope

Charles Lim Yee; Lawrence Lesyna; Kenneth R. Lorell; Jean-Noel Aubrun; Pat Champagne; Neal Didriksen; Victor Nikolaskin; Roger Mihara; Robert R. Clappier; Ramji Digumarthi

doi:10.1117/12.452332

25 November 2002 Cryogenic tunable near-infrared Fabry Perot interferometer for Next Generation Space Telescope

Charles Lim Yee, Lawrence Lesyna, Kenneth R. Lorell, Jean-Noel Aubrun, Pat Champagne, Neal Didriksen, Victor Nikolaskin, Roger Mihara, Robert R. Clappier, Ramji Digumarthi

Author Affiliations +

Proceedings Volume 4822, Cryogenic Optical Systems and Instruments IX; (2002) https://doi.org/10.1117/12.452332
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

An engineering test unit Fabry-Perot interferometer has been designed and built to operate in the 1.5-1.7 um regime from room temperature to 30 K°. The Fabry-Perot interferometer is tuned by controlling the gap spacing between the two highly reflecting mirrors. Capacitance sensors are used to control the gap spacing and maintain parallelism of the mirrors. An overview of the optical, mechanical, electrical, and control designs of the instrument are described. Some early results at cryogenic temperature indicative of the performance of the instruments are presented.

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Charles Lim Yee, Lawrence Lesyna, Kenneth R. Lorell, Jean-Noel Aubrun, Pat Champagne, Neal Didriksen, Victor Nikolaskin, Roger Mihara, Robert R. Clappier, and Ramji Digumarthi "Cryogenic tunable near-infrared Fabry Perot interferometer for Next Generation Space Telescope", Proc. SPIE 4822, Cryogenic Optical Systems and Instruments IX, (25 November 2002); https://doi.org/10.1117/12.452332

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