Recovery of the primary electron rate function from Geiger-mode APDs

Weston Baines

doi:10.1117/12.3023222

5 June 2024 Recovery of the primary electron rate function from Geiger-mode APDs

Weston Baines

Proceedings Volume 13049, Laser Radar Technology and Applications XXIX; 130490G (2024) https://doi.org/10.1117/12.3023222
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States

Abstract

The triggering of Geiger-mode Avalanche Photodiodes (GmAPDs) depends on the generation of primary electrons and subsequent current avalanche. The number of primary electrons generated in a GmAPD in a given interval of time is governed by Poisson statistics, with the parameter determined by the integral of the primary electron generation rate over the interval of interest. In synchronous GmAPD cameras, avalanche events are resolved up to a certain time bin width and subsequent avalanche events cannot occur until the APDs are re-armed, incurring blocking loss on the measured signal. Reconstruction of the temporal profile of the primary electron generation rate of a single pixel of a GmAPD camera is presented. This includes describing the probability distribution of trigger events over the time bins, maximum likelihood estimates of Poisson parameters, blocking loss correction, and estimates on reconstruction error and sampling error.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Weston Baines "Recovery of the primary electron rate function from Geiger-mode APDs", Proc. SPIE 13049, Laser Radar Technology and Applications XXIX, 130490G (5 June 2024); https://doi.org/10.1117/12.3023222

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