PoS - Proceedings of Science
Volume 380 - Particles and Nuclei International Conference 2021 (PANIC2021) - Applications of nuclear and particle physics technology
Characterization and functional test of a micro dosimeter of scintillating optical fibers
M. Santos*, D.R. Guerreiro, J.G. Saraiva, J.M. Sampaio, L. Peralta, G. Evans, P. Assis, M. Ferreira and J.C. Nogueira
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Pre-published on: March 18, 2022
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Abstract
As demand increases for better and improved techniques for cancer treatment in Portugal, there is an ongoing discussion on the need to build a proton therapy center, as well as to train skilled workers in this field. As a result, there is the need for high precision measurement instruments that provide real-time absorbed dose measurements on the patients at tissue or DNA level.

The goal of the present work is to develop a new detector capable of measuring real-time absorbed dose with sub-millimeter resolution. The device is constructed using juxtaposed thin scintillating plastic optical fibers (SPOF) readout by a multi-anode photomultiplier (MAPMT, 64 channels) and a suitable data acquisition (DAQ) system. In this article, we discuss the characterization of the full detection chain: SPOFs, MAPMT and DAQ.
DOI: https://doi.org/10.22323/1.380.0039
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