Development of wide-band X-ray/gamma-ray imagers using reach through APD arrays

Details Development of wide-band X-ray/gamma-ray imagers using reach through APD arrays Development of wide-band X-ray/gamma-ray imagers using reach through APD arrays

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1133...73n&link_type=abstract

GAMMA-RAY BURST: Sixth Huntsville Symposium. AIP Conference Proceedings, Volume 1133, pp. 73-75 (2009).

Computer Science

Performance

Gamma-Ray Sources, Gamma-Ray Bursts, Angiography, Radiation Detectors

Scientific paper

It is quite important to obtain wide band spectra of gamma-ray bursts (GRBs) at the same time in order to probe the emission processes or the structure of GRBs. An avalanche photo diode (APD) is a compact photon sensor with an internal gain of 100. We have developed an X-ray/gamma-ray detector using a back-illuminated reach-through APD (5×5 mm2) optically coupled with a conventional CsI(Tl) scintillator, which covers typically from 1 keV to 1 MeV. Further, we developed a 1-dimensional array of the 8/16 APDs (net 16×20 mm2) for the purpose of an imaging photon detector to be used in future GRB missions. Here we present the current status and performance of our hybrid detector.

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