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Proceedings Paper

Performance of an FM/cw prototype ladar using a 32-element linear self-mixing detector array
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Paper Abstract

The U.S. Army Research Laboratory (ARL) is investigating a ladar architecture based on FM/cw radar principles, whereby the range information is contained in the low-frequency mixing product derived by mixing a reference ultra-high frequency (UHF) chirp with an optically detected, time-delayed UHF chirp scattered from a target. ARL is also investigating the use of metal-semiconductor-metal (MSM) detectors as unique self-mixing detectors, which have the ability to internally detect and down-convert the modulated optical signals. ARL has recently incorporated a 1x32 element linear MSM self-mixing detector array into a prototype FM/cw ladar system and performed a series of characterization and outdoor image collection experiments using this prototype. This paper discusses the basic performance of the prototype system and presents some fundamental measurements as well as ladar imagery taken on the ARL Adelphi campus.

Paper Details

Date Published: 21 August 2003
PDF: 12 pages
Proc. SPIE 5086, Laser Radar Technology and Applications VIII, (21 August 2003); doi: 10.1117/12.485873
Show Author Affiliations
William Ruff, Army Research Lab. (United States)
Keith Aliberti, Army Research Lab. (United States)
John Dammann, Army Research Lab. (United States)
Mark Giza, Army Research Lab. (United States)
Paul Shen, Army Research Lab. (United States)
Barry Stann, Army Research Lab. (United States)

Published in SPIE Proceedings Vol. 5086:
Laser Radar Technology and Applications VIII
Gary W. Kamerman, Editor(s)

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