KEYWORDS: Avalanche photodetectors, Sensors, Imaging systems, Signal processing, Laser processing, LIDAR, Stereoscopy, Image resolution, 3D image processing, Control systems
In this paper, a key parameters test system of linear mode APD focal plane detector for laser three-dimensional imaging is designed. The test system includes signal processing circuit and optical calibration device, which is used for testing the key parameters such as the photo response nonuniformity, effective pixel rate, crosstalk of adjacent pixels, time resolution, etc. It is verified that the system can meet the key parameter test of linear mode APD focal plane detector, and the test repeatability error is less than 1%.
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