Two different GaAs crystals, one LEC and one LPE, have been irradiated with photons of various energies, to compare their response in view of a possible application for digital radiography. Experimental results include I-V curves, charge collection efficiency, detection efficiency and energy resolution as a function of bias. A comparison is made with a simulation program that takes into account X-ray interactions, electric field and charge trapping inside the material.
COMPARISON OF DIFFERENT GAAS DETECTORS FOR X-RAY DIGITAL RADIOGRAPHY
BENCIVELLI, VALTER;FANTACCI, MARIA EVELINA;ROSSO, VALERIA;
1994-01-01
Abstract
Two different GaAs crystals, one LEC and one LPE, have been irradiated with photons of various energies, to compare their response in view of a possible application for digital radiography. Experimental results include I-V curves, charge collection efficiency, detection efficiency and energy resolution as a function of bias. A comparison is made with a simulation program that takes into account X-ray interactions, electric field and charge trapping inside the material.File in questo prodotto:
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