Fast neutron radiography-based on single-photon digital photosensor: concept and demonstration

Jean-François Pratte; Keven Deslandes; Tommy Rossignol; Nicolas Roy; Frédéric Vachon; Robin Scarpellini; Guillaume Théberge-Dupuis; Paul A. Hausladen; Lorenzo Fabris; Serge A. Charlebois

doi:10.1117/12.2682610

3 October 2023 Fast neutron radiography-based on single-photon digital photosensor: concept and demonstration

Jean-François Pratte, Keven Deslandes, Tommy Rossignol, Nicolas Roy, Frédéric Vachon, Robin Scarpellini, Guillaume Théberge-Dupuis, Paul A. Hausladen, Lorenzo Fabris, Serge A. Charlebois

Author Affiliations +

Proceedings Volume 12696, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXV; 1269606 (2023) https://doi.org/10.1117/12.2682610
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

For decades, fast neutron radiography performed using pulse-counting detectors employed PMTs coupled to plastic scintillator pixel arrays. SiPM-based systems are now sought to replace fragile PMTs, but conventional, “analog” SiPMs suffer from intrinsic limitations which limit their achievable performance. Among these limitations, a complete analog readout and digitizer chain is required, a counterintuitive approach when considering that the single-photon avalanche diode (SPAD), the basic unit cell of SiPMs, is a Boolean detector providing digital detection at the sensor level. This paper outlines a new concept for neutron radiography instrumentation by using photon-to-digital converters (PDCs, aka digital SiPMs), a fully digital solution to sense the scintillation light.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jean-François Pratte, Keven Deslandes, Tommy Rossignol, Nicolas Roy, Frédéric Vachon, Robin Scarpellini, Guillaume Théberge-Dupuis, Paul A. Hausladen, Lorenzo Fabris, and Serge A. Charlebois "Fast neutron radiography-based on single-photon digital photosensor: concept and demonstration", Proc. SPIE 12696, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXV, 1269606 (3 October 2023); https://doi.org/10.1117/12.2682610

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