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Proceedings Paper

Three-dimensional imaging with arrays of Geiger-mode avalanche photodiodes
Author(s): Brian F Aull; Andrew H. Loomis; Douglas J. Young; Alvin Stern; Bradley J. Felton; Peter J. Daniels; Debbie J. Landers; Larry Retherford; Dennis D. Rathman; Richard M. Heinrichs; Richard M. Marino; Daniel G. Fouche; Marius A. Albota; Robert E Hatch; Gregory S. Rowe; David G. Kocher; James G. Mooney; Michael E. O'Brien; Brian E. Player; Berton C. Willard; Zong-Long Liau; John J. Zayhowski
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Paper Abstract

Lincoln Laboratory has developed 32 x 32-pixel ladar focal planes comprising silicon geiger-mode avalanche photodiodes and high-speed all-digital CMOS timing circuitry in each pixel. In Geiger mode operation, the APD can detect as little as a single photon, producing a digital CMOS-compatible voltage pulse. This pulse is used to stop a high-speed counter in the pixel circuit, thus digitizing the time of arrival of the optical pulse. This "photon-to-digital conversion" simultaneously achieves single-photon sensitivity and 0.5-ns timing. We discuss the development of these focal planes and present imagery from ladar systems that use them.

Paper Details

Date Published: 8 June 2004
PDF: 12 pages
Proc. SPIE 5353, Semiconductor Photodetectors, (8 June 2004); doi: 10.1117/12.532723
Show Author Affiliations
Brian F Aull, MIT Lincoln Lab. (United States)
Andrew H. Loomis, MIT Lincoln Lab. (United States)
Douglas J. Young, MIT Lincoln Lab. (United States)
Alvin Stern, MIT Lincoln Lab. (United States)
Bradley J. Felton, MIT Lincoln Lab. (United States)
Peter J. Daniels, MIT Lincoln Lab. (United States)
Debbie J. Landers, MIT Lincoln Lab. (United States)
Larry Retherford, MIT Lincoln Lab. (United States)
Dennis D. Rathman, MIT Lincoln Lab. (United States)
Richard M. Heinrichs, MIT Lincoln Lab. (United States)
Richard M. Marino, MIT Lincoln Lab. (United States)
Daniel G. Fouche, MIT Lincoln Lab. (United States)
Marius A. Albota, MIT Lincoln Lab. (United States)
Robert E Hatch, MIT Lincoln Lab. (United States)
Gregory S. Rowe, MIT Lincoln Lab. (United States)
David G. Kocher, MIT Lincoln Lab. (United States)
James G. Mooney, MIT Lincoln Lab. (United States)
Michael E. O'Brien, MIT Lincoln Lab. (United States)
Brian E. Player, MIT Lincoln Lab. (United States)
Berton C. Willard, MIT Lincoln Lab. (United States)
Zong-Long Liau, MIT Lincoln Lab. (United States)
John J. Zayhowski, MIT Lincoln Lab. (United States)


Published in SPIE Proceedings Vol. 5353:
Semiconductor Photodetectors
Kurt J. Linden; Eustace L. Dereniak, Editor(s)

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