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Proceedings Paper

X-ray measurements with compound semiconductor arrays
Author(s): Alan Owens; Hans Andersson; Marcos Bavdaz; G. Brammertz; Thomas Gagliardi; Vladimir Gostilo; I. Lisjutin; A. Loupilov; I. Major; Y. Mastrikov; Seppo Arvo Anter Nenonen; Anthony J. Peacock; Abel Poelaert; Heikki Sipila; L. Troeger
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Paper Abstract

We present preliminary results of X-ray measurements on two small format compound semiconductor arrays. The devices, a 5 X 5 gallium arsenide array and a 3 X 3 cadmium zinc telluride array, were produced specifically to address the material, electronic and technological problems that need to be solved in order to develop mega-pixel, Fano limited spectroscopic arrays. The GaAs device was fabricated on 40 micrometer epitaxial material and has a pixel size of 200 X 200 microns2 with pitch 250 micrometer. The CdZnTe array was fabricated on a 5 X 5 X 1.6 mm 3 single crystal of spectroscopic quality. The pixel sizes were 350 X 350 microns2 with a pixel pitch of 250 micrometer. Measurements from 5.9 keV to 100 keV were carried out both in our laboratory and at the HASYLAB synchrotron research facility in Hamburg, Germany. The typical FWHM energy resolutions recorded at 5.9 keV by the GaAs and CdZnTe arrays were 394 eV and 900 eV, respectively.

Paper Details

Date Published: 21 November 2000
PDF: 12 pages
Proc. SPIE 4141, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics II, (21 November 2000); doi: 10.1117/12.407604
Show Author Affiliations
Alan Owens, European Space Agency/ESTEC (Netherlands)
Hans Andersson, Metorex International Oy (Finland)
Marcos Bavdaz, European Space Agency/ESTEC (Netherlands)
G. Brammertz, European Space Agency/ESTEC (Netherlands)
Thomas Gagliardi, Metorex, Inc. (United States)
Vladimir Gostilo, Baltic Scientific Instruments (Latvia)
I. Lisjutin, Baltic Scientific Instruments (Latvia)
A. Loupilov, Baltic Scientific Instruments (Latvia)
I. Major, Metorex Inc. (United States)
Y. Mastrikov, Baltic Scientific Instruments (Latvia)
Seppo Arvo Anter Nenonen, Metorex International Oy (Finland)
Anthony J. Peacock, European Space Agency/ESTEC (Netherlands)
Abel Poelaert, European Space Agency/ESTEC (Netherlands)
Heikki Sipila, Metorex International Oy (Finland)
L. Troeger, HASYLAB at DESY (Netherlands)


Published in SPIE Proceedings Vol. 4141:
Hard X-Ray, Gamma-Ray, and Neutron Detector Physics II
Ralph B. James; Richard C. Schirato, Editor(s)

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