Laser-based distance measurement using picosecond resolution time-correlated single-photon counting

This distance measurement system uses a pulsed picosecond diode laser and detects the scattered signal from a non-cooperative target surface using a semiconductor single-photon detector. A demonstration system has been constructed and used to examine the depth resolution obtainable as a function of...

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Bibliographic Details
Published in:Measurement science & technology 2000-06, Vol.11 (6), p.712-716
Main Authors: Pellegrini, Sara, Buller, Gerald S, Smith, Jason M, Wallace, Andrew M, Cova, Sergio
Format: Article
Language:English
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Summary:This distance measurement system uses a pulsed picosecond diode laser and detects the scattered signal from a non-cooperative target surface using a semiconductor single-photon detector. A demonstration system has been constructed and used to examine the depth resolution obtainable as a function of the integrated number of photon returns. The depth resolution has been examined for integrated photon returns varying by five orders of magnitude, both by experimental measurements and computer simulation. Depth resolutions of approximately 3 mm were obtained for only ten returned photons. (Original abstract - amended)
ISSN:0957-0233
1361-6501
DOI:10.1088/0957-0233/11/6/314