Kilometer-range, high resolution depth imaging via 1560 nm wavelength single-photon detection
This paper highlights a significant advance in time-of-flight depth imaging: by using a scanning transceiver which incorporated a free-running, low noise superconducting nanowire single-photon detector, we were able to obtain centimeter resolution depth images of low-signature objects in daylight at...
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Veröffentlicht in: | Optics express 2013-04, Vol.21 (7), p.8904-8915 |
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container_title | Optics express |
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creator | McCarthy, Aongus Krichel, Nils J Gemmell, Nathan R Ren, Ximing Tanner, Michael G Dorenbos, Sander N Zwiller, Val Hadfield, Robert H Buller, Gerald S |
description | This paper highlights a significant advance in time-of-flight depth imaging: by using a scanning transceiver which incorporated a free-running, low noise superconducting nanowire single-photon detector, we were able to obtain centimeter resolution depth images of low-signature objects in daylight at stand-off distances of the order of one kilometer at the relatively eye-safe wavelength of 1560 nm. The detector used had an efficiency of 18% at 1 kHz dark count rate, and the overall system jitter was ~100 ps. The depth images were acquired by illuminating the scene with an optical output power level of less than 250 µW average, and using per-pixel dwell times in the millisecond regime. |
doi_str_mv | 10.1364/oe.21.008904 |
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The detector used had an efficiency of 18% at 1 kHz dark count rate, and the overall system jitter was ~100 ps. 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The detector used had an efficiency of 18% at 1 kHz dark count rate, and the overall system jitter was ~100 ps. 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subjects | Equipment Design Equipment Failure Analysis Image Enhancement - instrumentation Photometry - instrumentation Photons Telecommunications - instrumentation Transducers |
title | Kilometer-range, high resolution depth imaging via 1560 nm wavelength single-photon detection |
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