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Design, analysis, and testing of a wavelength-agile differential absorption light detection and ranging (DIAL) system for long-standoff range operation
Author(s): James A. Dowling; John D. Gonglewski; David Stone; Marsha J. Fox; Stanley R. Czyzak; Edward J. Herman; Daniel C. Senft
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Paper Abstract

The U.S. Air Force Phillips Laboratory is developing a differential absorption light detection and ranging (DIAL) system for use in long-range remote sensing of trace atmospheric species. A wavelength-agile (WAL) transverse-electric-atmospheric (TEA) carbon dioxide laser operating on P- and R-branch transitions in the 9.4 micrometers bans is used as the pulsed radiation source for the system. A master oscillator-power amplifier (MOPA) WAL configuration is planned for the future to achieve the necessary increase in pulse energy required for extended range operation. The key system components, including the WAL source and power amplifier, transmitter, and receiver optical systems, and data collection equipment are described. The results of preliminary tests using and SF6 absorption cell in a 50-m laboratory path and filed measurements using a 3.2 km path at the Phillips Laboratory Starfire Optical Range are presented. Performance predictions for operation using the WAL source alone and for the MOPA configuration for extended ranges are presented and discussed.

Paper Details

Date Published: 21 December 1994
PDF: 16 pages
Proc. SPIE 2312, Optics in Atmospheric Propagation and Random Phenomena, (21 December 1994); doi: 10.1117/12.197390
Show Author Affiliations
James A. Dowling, Applied Technology Associates (United States)
John D. Gonglewski, Air Force Phillips Lab. (United States)
David Stone, Air Force Phillips Lab. (United States)
Marsha J. Fox, Air Force Phillips Lab. (United States)
Stanley R. Czyzak, Kaman Sciences Corp. (United States)
Edward J. Herman, Logicon R&D Associates (United States)
Daniel C. Senft, Rockwell Power Systems (United States)


Published in SPIE Proceedings Vol. 2312:
Optics in Atmospheric Propagation and Random Phenomena
Anton Kohnle; Adam D. Devir, Editor(s)

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