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The utilization of this material has become technologically feasible only in recent years due to significant development in large area photovoltaic applications.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods:<\/jats:title><jats:p>The CdTe film is combined with a metal plate, facilitating conversion of incoming photons into secondary electrons. The system modeling is based on the Monte Carlo simulations performed to determine the optimized CdTe layer thickness in combination with various converter materials.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results:<\/jats:title><jats:p>The authors establish a range of optimal parameters producing the highest DQE due to energy absorption, as well as signal and noise spatial spreading. The authors also analyze the influence of the patient scatter on image formation for a set of detector configurations. The results of absorbed energy simulation are used in device operation modeling to predict the detector output signal. Finally, the authors verify modeling results experimentally for the lowest considered device thickness.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions:<\/jats:title><jats:p>The proposed CdTe\u2010based large area thin\u2010film detector has a potential of becoming an efficient low\u2010cost electronic portal imaging device for radiation therapy applications.<\/jats:p><\/jats:sec>","DOI":"10.1118\/1.3438082","type":"journal-article","created":{"date-parts":[[2010,7,30]],"date-time":"2010-07-30T23:35:12Z","timestamp":1280532912000},"page":"3980-3994","source":"Crossref","is-referenced-by-count":22,"title":["Design and optimization of large area thin\u2010film CdTe detector for radiation therapy imaging applications"],"prefix":"10.1002","volume":"37","author":[{"given":"E. 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