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Proceedings Article

Long-range depth imaging using time-correlated single-photon counting

[+] Author Affiliations
Nils J. Krichel, Aongus McCarthy, Andrew M. Wallace, Jing Ye, Gerald S. Buller

Heriot-Watt Univ. (United Kingdom)

Proc. SPIE 7780, Detectors and Imaging Devices: Infrared, Focal Plane, Single Photon, 77801I (August 17, 2010); doi:10.1117/12.876144
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From Conference Volume 7780

  • Detectors and Imaging Devices: Infrared, Focal Plane, Single Photon
  • Eustace L. Dereniak; John P. Hartke; Paul D. LeVan; Ashok K. Sood; Randolph E. Longshore; Manijeh Razeghi
  • San Diego, California | August 01, 2010

abstract

Active, three-dimensional long-range imaging has varied applications in a number of disciplines, including manufacturing, environmental sensing and defence. Common constraints often include low average and peak illumination powers to ensure eye-safety, making the potentially high sensitivity of the single-photon counting technique a distinct advantage. We present a scanning time-of-flight imager based on high repetition-rate (>MHz) pulsed illumination and a silicon single-photon detector. In advanced photon-counting experiments, we recently employed the system for unambiguous range resolution at several kilometres target distance, multiple-surface resolution based on adaptive algorithms, and a cumulative data acquisition method that facilitates detector characterisation and evaluation. This article reviews these achievements and identifies multi-spectral imaging as a possible future application.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Nils J. Krichel ; Aongus McCarthy ; Andrew M. Wallace ; Jing Ye and Gerald S. Buller
"Long-range depth imaging using time-correlated single-photon counting", Proc. SPIE 7780, Detectors and Imaging Devices: Infrared, Focal Plane, Single Photon, 77801I (August 17, 2010); doi:10.1117/12.876144; http://dx.doi.org/10.1117/12.876144


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