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DETECTORS FOR MEASUREMENT-2D/3D detectors
Trends towards so called “digital hospitals”
No access to film processing machine
Film dosimetry limited to radiochromic films
Wish to implement fast real-time procedures for measurements
EPID are an option
No necessity to downscale MUs to the sensitive range
EPID as 2D DETECTOR
33
Utretch 2016
Potential for absolute dose measurements
Results available “immediately” after irradiation
Mostly limited to single beam verification
Good spatial resolution
Need of corrections to convert the resulting signal into fluence or dose in
detector