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Proceedings Paper

Optimization of the alexandrite laser tuning elements for a water vapor lidar
Author(s): Patrick L. Ponsardin; N. Scott Higdon; Benoist E. Grossmann; Edward V. Browell
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Paper Abstract

An overview of some of the developments completed on an alexandrite laser for making water vapor DIAL measurements is presented in this paper. A computer control for active stabilization of the two intracavity etalons has been implemented and recently tested in an aircraft environment. Long-term frequency drift (i.e., 2 hours) of less than 0.7 pm has been observed in the laboratory. An alignment technique to get the optimum free spectral range ratio for the two etalons is also developed.

Paper Details

Date Published: 1 May 1990
PDF: 5 pages
Proc. SPIE 1222, Laser Radar V, (1 May 1990); doi: 10.1117/12.18383
Show Author Affiliations
Patrick L. Ponsardin, Old Dominion Univ. Research Foundation (United States)
N. Scott Higdon, NASA/Langley Research Ctr. (United States)
Benoist E. Grossmann, Old Dominion Univ. Research Foundation (United States)
Edward V. Browell, NASA/Langley Research Ctr. (United States)

Published in SPIE Proceedings Vol. 1222:
Laser Radar V
Richard J. Becherer, Editor(s)

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