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SiPM arrays and miniaturized readout electronics for compact gamma camera

Abstract : This article reports on the design and features of a very compact and light gamma camera based on SiPM arrays and miniaturized readout electronics dedicated to tumor localization during radio-guided cancer surgery. This gamma camera, called MAGICS, is composed of four (2×2) photo-detection elementary modules coupled to an inorganic scintillator. The 256 channels photo-detection system covers a sensitive area of 54×53 m2. Each elementary module is based on four (2×2) SiPM monolithic arrays, each array consisting of 16 SiPM photo-sensors (4×4) with 3×3 mm2 sensitive area, coupled to a miniaturized readout electronics and a dedicated ASIC. The overall dimensions of the electronics fit the size of the detector, enabling to assemble side-by-side several elementary modules in a close packed arrangement. The preliminary performances of the system are very encouraging, showing an energy resolution of 9.8% and a spatial resolution of less than 1 mm at 122 keV
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Contributor : Sabine Starita <>
Submitted on : Thursday, July 3, 2014 - 5:23:27 PM
Last modification on : Saturday, October 3, 2020 - 3:54:49 AM




N. Dinu, T. Imando, A. Nagai, L. Pinot, V. Puill, et al.. SiPM arrays and miniaturized readout electronics for compact gamma camera. 7th International Conference on New Developments in Photodetection (NDIP 14), Jul 2014, Tours, France. pp.367-372, ⟨10.1016/j.nima.2015.01.083⟩. ⟨in2p3-01018180⟩



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