Long-range time-of-flight scanning sensor based on high-speed time-correlated single-photon counting

Aongus McCarthy, Robert J. Collins, Nils J. Krichel, Verónica Fernández, Andrew M. Wallace, Gerald S. Buller

Research output: Contribution to journalArticle

202 Citations (Scopus)

Abstract

We describe a scanning time-of-flight system which uses the time-correlated single-photon counting technique to produce three-dimensional depth images of distant, noncooperative surfaces when these targets are illuminated by a kHz to MHz repetition rate pulsed laser source. The data for the scene are acquired using a scanning optical system and an individual single-photon detector. Depth images have been successfully acquired with centimeter xyz resolution, in daylight conditions, for low-signature targets in field trials at distances of up to 325m using an output illumination with an average optical power of less than 50 µW. © 2009 Optical Society of America.

Original languageEnglish
Pages (from-to)6241-6251
Number of pages11
JournalApplied Optics
Volume48
Issue number32
DOIs
Publication statusPublished - 10 Nov 2009

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