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30 May 2022 Long-range LiDAR depth and intensity imaging using a micro-scanned single-photon detector array
Ewan Wade, Rachael Tobin, Aongus McCarthy, Abderrahim Halimi, Gerald S. Buller
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Proceedings Volume PC12089, Advanced Photon Counting Techniques XVI; PC120890D (2022) https://doi.org/10.1117/12.2620272
Event: SPIE Defense + Commercial Sensing, 2022, Orlando, Florida, United States
Abstract
Sub-pixel micro-scanning is used to increase the sampling of an imaging system, by taking multiple images of a scene from different sub-pixel locations and combining them into a single composite image using an advanced image processing algorithm. We have applied this method to a single-photon light detection and ranging system based on the time-correlated single-photon counting technique, operating at a wavelength of 1550 nm. Using a 32 × 32 single-photon detector array, the sub-pixel micro-scanning method allowed for composite depth maps and intensity profiles of up to 512 × 512 pixels for targets at distance of 325 meters. We will discuss the effect of micro-scanning on image enhancement.
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Ewan Wade, Rachael Tobin, Aongus McCarthy, Abderrahim Halimi, and Gerald S. Buller "Long-range LiDAR depth and intensity imaging using a micro-scanned single-photon detector array", Proc. SPIE PC12089, Advanced Photon Counting Techniques XVI, PC120890D (30 May 2022); https://doi.org/10.1117/12.2620272
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KEYWORDS
Detector arrays
LIDAR
Single photon detectors
Sensors
Picosecond phenomena
Infrared radiation
Optical resolution
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