Gamma cameras with SDDs coupled to scintillators

Carlo Fiorini; Antonio Longoni; Francesco Perotti; Claudio Labanti; Josef Kemmer; Peter Lechner; Paolo Leutenegger; Lothar Strueder

doi:10.1117/12.391597

18 July 2000 Gamma cameras with SDDs coupled to scintillators

Carlo Fiorini, Antonio Longoni, Francesco Perotti, Claudio Labanti, Josef Kemmer, Peter Lechner, Paolo Leutenegger, Lothar Strueder

Author Affiliations +

Proceedings Volume 4012, X-Ray Optics, Instruments, and Missions III; (2000) https://doi.org/10.1117/12.391597
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

Abstract

Silicon Drift Detectors (SDDs) have been recently employed as scintillation detectors for (gamma) -ray spectroscopy and imaging applications. With respect to conventional PMTs, these devices offer the higher quantum efficiency to the scintillation light, typical of a silicon detector. Moreover, thanks to the low value of output capacitance, a SDD is characterized by a lower electronics noise with respect to a conventional silicon photodiode. This feature allows a detector based on the CsI(Tl)-SDD architecture to reach high energy and position resolution in gamma detection. In this work we present the results obtained in the development of a first prototype of gamma detector for 1D position measurements and of a first prototype of small gamma camera for 2D position measurements, both detectors based on a single scintillator coupled to an array of SDDs.

Citation Download Citation

Carlo Fiorini, Antonio Longoni, Francesco Perotti, Claudio Labanti, Josef Kemmer, Peter Lechner, Paolo Leutenegger, and Lothar Strueder "Gamma cameras with SDDs coupled to scintillators", Proc. SPIE 4012, X-Ray Optics, Instruments, and Missions III, (18 July 2000); https://doi.org/10.1117/12.391597

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