Tuesday, November 19, 2019

Avalanche PD Thesis

University of Trento, Italy, publishes PhD Thesis "Application of Avalanche Detectors in Scientific and Industrial Measurement Systems" of Andrea Ficorella. The thesis overviews APD and SPAD operation and discusses ToF measurements with them:

"Geiger-Mode avalanche photodiodes (GM-APDs) are diodes designed to operate at a reverse voltage that exceeds the breakdown voltage (VBD). Their ability to detect single photons combined with their excellent timing resolution make them ideal for applications in which low amplitude signals need to be detected with sub-ns timing resolution. In the research activity reported in this dissertation two different applications of Geiger-Mode Avalanche Photo Diode arrays have been analysed: a two-tier GM-APD array with inpixel coincidence for particle tracking and a direct Time-of-Flight range meter with a SiPM-based receiver."

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