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Proceedings Paper

Tunable solid-etalon filter for use in lidar receivers
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Paper Abstract

We discuss the design, fabrication and performance of a temperature-tuned solid etalon filter for a 532 nm lidar receiver. This is the first demonstration of a bulk, ZnS (a.k.a. Cleartran) etalon filter. Cleartran provides several advantages including: full FSR tuning with a small temperature range; high thermal conductivity; high numerical aperture; and high reliability (no moving parts or piezoelectrics involved). The filter system, with a FWHM ~28 pm, was tuned at a ratee of ~15 pm/°C across the FSR of 341 pm, and provided a wavelength stability of +/- 0.8 pm.

Paper Details

Date Published: 26 October 2004
PDF: 8 pages
Proc. SPIE 5542, Earth Observing Systems IX, (26 October 2004); doi: 10.1117/12.548967
Show Author Affiliations
Yakov Sidorin, Coronado Technology Group, LLC (United States)
David Lunt, Coronado Technology Group, LLC (United States)
Michael A. Krainak, NASA Goddard Space Flight Ctr. (United States)
Mark A Stephen, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 5542:
Earth Observing Systems IX
William L. Barnes; James J. Butler, Editor(s)

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