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20 January 2004 SiO2-based scintillating fibers for x-ray detectors
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New Ce3+ - doped high-grade silica glasses are synthesized by a modified sol-gel method, to be used as scintillators for the detection of X-rays and low energy particles. These glasses have efficiency a factor of 2 higher than state-of-the-art Bi4Ge3O12 crystals, high radiation hardness and high compatibility with the silica-based photonic technology. Powder-in-tube and rod-in-tube techniques are used to fabricate low-loss optical fibres with 135, 220 and 660 microns diameter. Device prototypes are obtained by fusion-splicing these fibres to commercial high numerical aperture optical fibres.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Norberto Chiodini, Gilberto Brambilla, Anna Vedda, Daniela Di Martino, Mauro Fasoli, Alessandro Lauria, Marco Redaelli, and Emanuela Rosetta "SiO2-based scintillating fibers for x-ray detectors", Proc. SPIE 5198, Hard X-Ray and Gamma-Ray Detector Physics V, (20 January 2004);

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