Radiation detector for combined detection of low-energy radiation quanta and high-energy radiation quanta

Abstract

A radiation detector for combined detection of low-energy radiation quanta and high-energy radiation quanta has a multi-layered structure. A rear scintillator layer () is configured to emit a burst of scintillation photons responsive to a high-energy radiation quantum being absorbed by the rear scintillator layer (). A rear photosensor layer () attached to a back side of the rear scintillator layer () is configured to detect scintillation photons generated in the rear scintillator layer (). A front scintillator layer () arranged in front of the rear scintillator layer () opposite the rear photosensor layer () is configured to emit a burst of scintillation photons responsive to a low-energy radiation quantumbeing absorbed by the front scintillator layer (). A front photosensor layer () attached to a front side of the front scintillator layer () opposite the rear scintillator layer () is configured to detect scintillation photons generated in the front scintillator layer (). The high-energy radiation quantum is a gamma ray and the low-energy radiation quantum is an X-ray.