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Characterization of Redlen CZT detectors for x-ray astronomy

Pike, Sean and Burnham, Jill and Cook, Walter R. and Grefenstette, Brian and Harrison, Fiona and Madsen, Kristin and Miyasaka, Hiromasa (2018) Characterization of Redlen CZT detectors for x-ray astronomy. In: High Energy, Optical, and Infrared Detectors for Astronomy VIII. Proceedings of SPIE. No.10709. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 107091D. ISBN 9781510619715. http://resolver.caltech.edu/CaltechAUTHORS:20180730-135455343

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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 2cm x 2cm and thickness of 3mm mounted on a custom ASIC originally designed for the Nuclear Spectroscopic Telescopic Array (NuSTAR) mission, which launched in 2012. We present the results of spectral calibration using 57Co, 155Eu, and 241Am sources and determine optimal operating conditions such as temperature and bias voltage. In addition, we determine the charge transport properties of the material. We compare the characteristics of the Redlen CZT detectors to those of the CZT detectors produced by eV Products aboard NuSTAR and to Cadmium Telluride (CdTe) detectors with the same hybrid architecture. Finally we discuss the viability of the Redlen for X-ray astronomy in the NuSTAR band and above.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1117/12.2313860DOIArticle
ORCID:
AuthorORCID
Pike, Sean0000-0002-8403-0041
Grefenstette, Brian0000-0002-1984-2932
Harrison, Fiona0000-0003-2992-8024
Madsen, Kristin0000-0003-1252-4891
Miyasaka, Hiromasa0000-0002-8074-4186
Additional Information:© 2018 Society of Photo-optical Instrumentation Engineers (SPIE).
Group:Space Radiation Laboratory
Series Name:Proceedings of SPIE
Issue or Number:10709
Record Number:CaltechAUTHORS:20180730-135455343
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20180730-135455343
Official Citation:Sean Pike, Jill Burnham, Walter R. Cook, Brian Grefenstette, Fiona Harrison, Kristin Madsen, Hiromasa Miyasaka, "Characterization of Redlen CZT detectors for x-ray astronomy (Conference Presentation)", Proc. SPIE 10709, High Energy, Optical, and Infrared Detectors for Astronomy VIII, 107091D (10 July 2018); doi: 10.1117/12.2313860; https://doi.org/10.1117/12.2313860
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:88360
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:30 Jul 2018 21:09
Last Modified:09 Aug 2019 21:00

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