19 May 2015 Medium altitude airborne Geiger-mode mapping LIDAR system
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Abstract
Over the past 15 years the Massachusetts Institute of Technology, Lincoln Laboratory (MIT/LL), Defense Advanced Research Projects Agency (DARPA) and private industry have been developing airborne LiDAR systems based on arrays of Geiger-mode Avalanche Photodiode (GmAPD) detectors capable of detecting a single photon. The extreme sensitivity of GmAPD detectors allows operation of LiDAR sensors at unprecedented altitudes and area collection rates in excess of 1,000 km2/hr. Up until now the primary emphasis of this technology has been limited to defense applications despite the significant benefits of applying this technology to non-military uses such as mapping, monitoring critical infrastructure and disaster relief. This paper briefly describes the operation of GmAPDs, design and operation of a Geiger-mode LiDAR, a comparison of Geiger-mode and traditional linear mode LiDARs, and a description of the first commercial Geiger-mode LiDAR system, the IntelliEarth™ Geospatial Solutions Geiger-mode LiDAR sensor.
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William E. Clifton, William E. Clifton, Bradley Steele, Bradley Steele, Graham Nelson, Graham Nelson, Antony Truscott, Antony Truscott, Mark Itzler, Mark Itzler, Mark Entwistle, Mark Entwistle, } "Medium altitude airborne Geiger-mode mapping LIDAR system", Proc. SPIE 9465, Laser Radar Technology and Applications XX; and Atmospheric Propagation XII, 946506 (19 May 2015); doi: 10.1117/12.2193827; https://doi.org/10.1117/12.2193827
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