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Proceedings Paper

Characterization of Redlen CZT detectors for x-ray astronomy
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Paper Abstract

We present the results of ongoing characterization of Cadmium Zinc Telluride (CZT) semiconductors produced by Redlen Technologies for use in X-ray astronomy. The fully fabricated hybrid detectors consist of CZT crystals with a collecting area of 2 cm x 2 cm and thickness of 3mm mounted on a custom ASIC originally designed for the Nuclear Spectroscopic Telescope Array (NuSTAR) mission, which launched in 2012. We present the results of electronic noise, inter-pixel conductance, and leakage current tests as well as spectral calibration using an 241Am source. Despite high electronic noise due to errors in fabrication, we are able to compare characteristics of the Redlen CZT detectors to those of the CZT detectors produced by eV Products aboard NuSTAR.

Paper Details

Date Published: 7 August 2018
PDF: 7 pages
Proc. SPIE 10709, High Energy, Optical, and Infrared Detectors for Astronomy VIII, 107091D (7 August 2018); doi: 10.1117/12.2313860
Show Author Affiliations
Sean N. Pike, Space Radiation Lab., Caltech (United States)
Fiona A. Harrison, Space Radiation Lab., Caltech (United States)
Jill A. Burnham, Space Radiation Lab., Caltech (United States)
Walter W. Cook, Space Radiation Lab., Caltech (United States)
Brian W. Grefenstette, Space Radiation Lab., Caltech (United States)
Kristin K. Madsen, Space Radiation Lab., Caltech (United States)
Hiromasa Miyasaka, Space Radiation Lab., Caltech (United States)


Published in SPIE Proceedings Vol. 10709:
High Energy, Optical, and Infrared Detectors for Astronomy VIII
Andrew D. Holland; James Beletic, Editor(s)

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