Avalanche photodiodes operated in Geiger mode provide single-photon detection with excellent timing accuracy on a scalable semiconductor device platform, and they have been shown to enable high-rate collection of 3D LiDAR imagery from airborne platforms at extremely long (>10 km) stand-off distances. More recently, we have applied Geiger-mode technology to shorter range LiDAR systems designed for high-performance, low-cost automotive applications. The combination of two factors-single-photon sensitivity and the greater eye-safety of lasers at wavelengths beyond 1400 nm-provides disruptive automotive LiDAR range and resolution that will be essential to future autonomous vehicle navigation.
Mark Itzler, "Automotive LiDAR based on Geiger-mode sensors (Conference Presentation)," Proc. SPIE 10636, Laser Radar Technology and Applications XXIII, 106360D (Presented at SPIE Defense + Security: April 17, 2018; Published: 14 May 2018); https://doi.org/10.1117/12.2314856.5783273750001.
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