Si-PIN photodiode readout for a scintillating optical fiber dosimeter |
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Authors: | Florbela Rêgo Luis Peralta |
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Institution: | 1. Laboratório de Instrumentação e Física Experimental de Partículas, Av. Elias Garcia 14-1, 1000-149 Lisboa, Portugal;2. Faculdade de Ciências da Universidade de Lisboa, FCUL, Edificio C8, Campo Grande, 1749-016 Lisboa, Portugal |
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Abstract: | For more than a decade plastic optical fiber based dosimeters have been developed for medical applications. PMT's have been widely used as the readout photodetector but for a number of applications, Si-PIN photodiodes are a good alternative. They are robust, present good stability over time and have enough sensitivity so that an electrometer can be used as a measuring device. This work describes the tests made with the S9195 Si-PIN photodiode from Hamamatsu used as the readout photodetector for a scintillating optical fiber dosimeter using a BCF-60 polystyrene optical fiber. |
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