A large area CMOS Active Pixel Sensor for imaging in proton therapy

Esposito, Michela and Price, Tony and Manger, Sam and Waltham, Chris and Anaxagoras, Thalis and Parker, David and Nieto-Camero, Jaine and Allinson, Nigel (2016) A large area CMOS Active Pixel Sensor for imaging in proton therapy. Journal of Instrumentation, 13 . ISSN 1748-0221

Full content URL: https://doi.org/10.1088/1748-0221/13/11/P11017

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Item Type:Article
Item Status:Live Archive

Abstract

There is an increased interest in developing imaging systems in proton therapy, with the aim of reducing range uncertainty in treatment planning, assisting in patient positioning and verifying anatomical changes at the time of the treatment. Recently, the PRaVDA collaboration has developed two different solid-state detector technologies for imaging in proton therapy: Silicon Strip Detectors and CMOS Active Pixel Sensors (APSs). This paper reports on the design and optimisation process of the PRaVDA CMOS APSs. Optimisation of parameters, such as epitaxial thickness and resistivity, and performance for individual proton detection and proton radiography are reported.

Keywords:proton therapy, CMOS imagers
Subjects:H Engineering > H612 Integrated Circuit Design
F Physical Sciences > F350 Medical Physics
Divisions:College of Science
ID Code:34128
Deposited On:28 Nov 2018 11:39

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