Space-based gamma-ray detectors

Centre d'Étude Spatiale des Rayonnements, Université de Toulouse, 9 avenue du Colonel Roche, 31028 Toulouse, France;

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Abstract

Instruments for nuclear astrophysics collect photons using geometric optics, quantum optics or wave optics. Despite their disparate aperture systems, hard X- and soft gamma-ray telescopes have in common the way photons are detected, i.e. the non-dispersive spectroscopy performed in their detectors – gaz-filled counters, scintillators, and semiconductor detectors. The objective of the present short review is to focus on the status of these detectors in space-based gamma-ray instruments.