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Proceedings Paper

A laboratory test setup to study the stability of operation of the CdTe detectors within Astro-H HXI
Author(s): Daniel Maier; Benoit Horeau; Philippe Laurent; Olivier Limousin; Diana Renaud
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Paper Abstract

Astro-H1 is a JAXA/NASA X-ray satellite launched in 17th Feb. 2016. The hard X-ray imager (HXI)2 is a Si/CdTe stacked detector system which is placed in the focus of a hard x-ray telescope. HXI constitute one of the four different instruments onboard Astro-H.

We are presenting the current status of a stacked detector setup which consists of two mini-HXI double sided CdTe strip detectors (CdTe DSDs)|similar to those used in HXI|that are read out with the low-noise readout ASIC IDeF-X BD. We describe the configuration of the setup, its spectroscopic performance, and a long-term operation of the setup. The long-term test simulates the orbital operation of HXI using identical detector temperatures, bias voltages, and switch-on/switch-off cycles with the goal to study the detector stability and the evolution of its performance during operation.

Paper Details

Date Published: 18 July 2016
PDF: 7 pages
Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 990542 (18 July 2016); doi: 10.1117/12.2231713
Show Author Affiliations
Daniel Maier, Irfu, CEA, Saclay (France)
Benoit Horeau, Irfu, CEA, Saclay (France)
Philippe Laurent, Irfu, CEA, Saclay (France)
Olivier Limousin, Irfu, CEA, Saclay (France)
Diana Renaud, Irfu, CEA, Saclay (France)


Published in SPIE Proceedings Vol. 9905:
Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray
Jan-Willem A. den Herder; Tadayuki Takahashi; Marshall Bautz, Editor(s)

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