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Single-photon three-dimensional imaging at up to 10 kilometers range
Depth and intensity profiling of targets at a range of up to 10 km is demonstrated using time-of-flight time-correlated single-photon counting technique. The system comprised a pulsed laser source at 1550 nm wavelength, a monostatic scanning transceiver and a single-element InGaAs/InP single-photon...
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Published in: | Optics express 2017-05, Vol.25 (10), p.11919-11931 |
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container_title | Optics express |
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creator | Pawlikowska, Agata M Halimi, Abderrahim Lamb, Robert A Buller, Gerald S |
description | Depth and intensity profiling of targets at a range of up to 10 km is demonstrated using time-of-flight time-correlated single-photon counting technique. The system comprised a pulsed laser source at 1550 nm wavelength, a monostatic scanning transceiver and a single-element InGaAs/InP single-photon avalanche diode (SPAD) detector. High-resolution three-dimensional images of various targets acquired over ranges between 800 metres and 10.5 km demonstrate long-range depth and intensity profiling, feature extraction and the potential for target recognition. Using a total variation restoration optimization algorithm, the acquisition time necessary for each pixel could be reduced by at least a factor of ten compared to a pixel-wise image processing approach. Kilometer range depth profiles are reconstructed with average signal returns of less than one photon per pixel. |
doi_str_mv | 10.1364/OE.25.011919 |
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title | Single-photon three-dimensional imaging at up to 10 kilometers range |
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