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Proceedings Paper

Low-cost radioactivity monitoring with scintillating fibers and silicon photomultipliers
Author(s): Paolo Finocchiaro; Luigi Cosentino; Alfio Pappalardo; Carlotta Scirè; Sergio Scirè; Gianfranco Vecchio
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Paper Abstract

A new detector technology was developed, particularly suitable for low-cost radioactivity monitoring in radwaste storage sites. It consists of a scintillating optical fiber coupled at each end to a silicon photomultiplier (SiPM). The single photon sensitivity of the SiPM, along with the left-right coincidence constraint, allows to achieve a reasonable sensitivity to gamma radiation even though using a thin 1mm diameter plastic scintillating fiber. Simulation results are in perfect agreement with the measured behavior, and several implementations are under way. The possibility of choosing the fiber length and shape makes them very flexible both conceptually and mechanically. Any improvement in the SiPM development technology reflects immediately into an improvement in the detector performance.

Paper Details

Date Published: 8 March 2014
PDF: 11 pages
Proc. SPIE 8990, Silicon Photonics IX, 899015 (8 March 2014); doi: 10.1117/12.2037224
Show Author Affiliations
Paolo Finocchiaro, Istituto Nazionale di Fisica Nucleare (Italy)
Luigi Cosentino, Istituto Nazionale di Fisica Nucleare (Italy)
Alfio Pappalardo, Istituto Nazionale di Fisica Nucleare (Italy)
Carlotta Scirè, Istituto Nazionale di Fisica Nucleare (Italy)
Sergio Scirè, Istituto Nazionale di Fisica Nucleare (Italy)
Gianfranco Vecchio, Istituto Nazionale di Fisica Nucleare (Italy)


Published in SPIE Proceedings Vol. 8990:
Silicon Photonics IX
Joel Kubby; Graham T. Reed, Editor(s)

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