Silicon photomultipliers (SiPM) are highly efficient light sensors that confer single photon detection capability on the receiver. SiPM-based lidar offers a remarkable signal-to-noise ratio (SNR) advantage over other kinds of sensors, such as avalanche photodiodes (APD). A SiPM’s high internal gain and fast response time allow higher detection probability of low-reflectivity targets at long distances.…
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