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DETECTORS FOR MEASUREMENT-2D/3D detectors
Amorphous silicon (a-Si) type of EPID –
principles of operation
35
Utretch 2016
Compton electrons produced in the copper plate
Electrons produce light photons in the phosphor
material
The light sensor detector pixels are photodiodes
and TFT transistors connected to readout and
scanning electronics
.
A. Nahum, Mayles, Rosenwald,
Handbook of radiotherapy