Preliminary results from small-pixel CdZnTe arrays

Darma P. Sharma; Brian D. Ramsey; Jared Meisner; Robert A. Austin; Heikki Sipila; Vladimir Gostilo; V. Ivanov; A. Loupilov; A. Sokolov

doi:10.1117/12.366570

22 October 1999 Preliminary results from small-pixel CdZnTe arrays

Darma P. Sharma, Brian D. Ramsey, Jared Meisner, Robert A. Austin, Heikki Sipila, Vladimir Gostilo, V. Ivanov, A. Loupilov, A. Sokolov

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Proceedings Volume 3765, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy X; (1999) https://doi.org/10.1117/12.366570
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

We have evaluated 2 small-pixel Cadmium-Zinc-Telluride arrays with thickness of 1 and 2 mm that were fabricated for MSFC by Metorex and Baltic Science Institute. Each array was optimized for temperature and collection bias and was then exposed to Cadmium¹⁰⁹, Am²⁴¹ and Fe⁵⁵ laboratory isotopes to measure the energy resolution for each pixel. The arrays were then scanned with a finely-collimated x-ray beam, of width 100 micron, to examine pixel to pixel and inter-pixel charge collection efficiency. Preliminary results from the array test are presented.

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Darma P. Sharma, Brian D. Ramsey, Jared Meisner, Robert A. Austin, Heikki Sipila, Vladimir Gostilo, V. Ivanov, A. Loupilov, and A. Sokolov "Preliminary results from small-pixel CdZnTe arrays", Proc. SPIE 3765, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy X, (22 October 1999); https://doi.org/10.1117/12.366570

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