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Author Mateos, H.; Lipovetzky, J.; Alcalde Bessia, F.; Perez, M.; Cappagli, P.; Gomez Berisso, M.
Title Characterization of sensors and design of an embedded photodetectors array for beam profile measurements in radiotherapy Type Conference Article
Year (up) 2017 Publication 2017 Eight Argentine Symposium and Conference on Embedded Systems (CASE) Abbreviated Journal
Volume Issue Pages 1-6
Keywords biomedical measurement; dosimeters; dosimetry; photodetectors; photodiodes; radiation therapy; photodetectors array; sensor characterization; Commercial Of The Shelf photodiodes; 1D dosimeter array; dose spatial distribution; radiotherapy irradiation field; teletherapy source; gamma rays; beam profile measurements; dose resolution; acquisition electronics; radiation absorbed dose 0.06 cGy; Photodiodes; Sensitivity; Current measurement; Detectors; Radiation effects; Voltage measurement; Multiplexing; Radiotherapy; Ionizing Radiation; Photodiodes; Quality Assurance.
Abstract In this work, the dosimetric performance of several Commercial Of The Shelf photodiodes was studied. They were tested against gamma rays from a teletherapy source and were characterized with the aim of building a one-dimensional array of dosimeters able to measure the the spatial distribution of dose in a radiotherapy irradiation field. An embedded system comprising an array of 40 photodiodes and its acquisition electronics was built and tested. The dose resolution of each detector was 0.06 cGy and the spatial resolution of the system 0.5 cm.
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Series Editor Series Title Abbreviated Series Title 2017 Eight Argentine Symposium and Conference on Embedded Systems (CASE)
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Call Number BT @ pedrazp @ Serial 832
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