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Proceedings Paper

Characterization of InGaAs self-mixing detectors for chirp amplitude-modulated ladar (CAML)
Author(s): Keith Aliberti; William C. Ruff; Hongen Shen; Peter G. Newman; Mark M. Giza; Wendy Sarney; Michael R. Stead; John Dammann; Rishabh Mehandru; Fan Ren
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Paper Abstract

The U.S. Army Research Laboratory (ARL) has developed a number of near-infrared, prototype laser detection and ranging (LADAR) Systems based on the chirp, amplitude-modulated LADAR (CAML) architecture. The use of self-mixing detectors in the receiver, that have the ability to internally detect and down-convert modulated optical signals, have significantly simplified the LADAR design. Recently, ARL has designed and fabricated single-pixel, self-mixing, InGaAs-based, metal-semiconductor-metal detectors to extend the LADAR operating wavelength to 1.55 mm and is currently in the process of designing linear arrays of such detectors. This paper presents fundamental detector characterization measurements of the new 1.55 mm detectors in the CAML architecture and some insights on the design of 1.55 μm linear arrays.

Paper Details

Date Published: 13 September 2004
PDF: 12 pages
Proc. SPIE 5412, Laser Radar Technology and Applications IX, (13 September 2004); doi: 10.1117/12.542072
Show Author Affiliations
Keith Aliberti, Army Research Lab. (United States)
William C. Ruff, Army Research Lab. (United States)
Hongen Shen, Army Research Lab. (United States)
Peter G. Newman, Army Research Lab. (United States)
Mark M. Giza, Army Research Lab. (United States)
Wendy Sarney, Army Research Lab. (United States)
Michael R. Stead, Army Research Lab. (United States)
John Dammann, Army Research Lab. (United States)
Rishabh Mehandru, Univ. of Florida (United States)
Fan Ren, Univ. of Florida (United States)


Published in SPIE Proceedings Vol. 5412:
Laser Radar Technology and Applications IX
Gary W. Kamerman; Gary W. Kamerman, Editor(s)

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