نتایج جستجو برای: gafchromic xrct

تعداد نتایج: 399  

Journal: :Precision radiation oncology 2023

A newly developed GafchromicTM EBT4 film model was released recently. According to the vendor-stated specifications, this new maintains major features of its more recent predecessor, EBT3, but has a great improvement in signal-to-noise ratio (SNR). The purpose study fully characterize by testing dose response dependence on beam energy using clinical photon and electron beams validating SNR. In ...

Journal: :Medical physics 2012
Slobodan Devic Nada Tomic Saad Aldelaijan Francois Deblois Jan Seuntjens Maria F Chan Dave Lewis

PURPOSE Despite numerous advantages of radiochromic film dosimeter (high spatial resolution, near tissue equivalence, low energy dependence) to measure a relative dose distribution with film, one needs to first measure an absolute dose (following previously established reference dosimetry protocol) and then convert measured absolute dose values into relative doses. In this work, we present resu...

Journal: :Applied sciences 2021

Quality Assurance (QA) in hadron therapy is crucial to ensure safe and accurate dose delivery patients. This can be achieved with fast, reliable high-resolution detectors. In this paper, we present a novel solution that combines triple Gas Electron Multiplier (GEM) highly pixelated readout based on matrix of organic photodiodes fabricated top an oxide-based thin-film transistor backplane. The f...

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