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Proceedings Paper

X-ray evolving universe spectroscopy mission (XEUS): narrow-field imaging high-resolution spectrometer: II (1 to 10 keV)
Author(s): Piet A. J. de Korte; Henk F.C. Hoevers; Marcel P. Bruijn; Antonio C. Bento; Willem A. Mels; Johan A.M. Bleeker; Andrew D. Holland; Martin J. L. Turner
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Paper Abstract

A feasibility study of an imaging 32 by 32 pixel micro- calorimeter array, intended for the XEUS mission is presented. Three different concepts, theoretically leading to a detector that combines an energy resolution of 5 eV for 8 keV x-rays and a count rate of at least 100 counts/pixel, are presented and discussed. The starting point for this study is the current progress in the field of single pixel micro-calorimeters employing voltage biased transition edge sensors. The design concepts originate from different philosophies for the thermal design and geometrical lay-out and will use state of the art micro-machining and lithography. Moreover, both from an electrical and a cooling point of view SQUID read-out will be the challenge and grouping of pixels might be considered.

Paper Details

Date Published: 29 September 1999
PDF: 8 pages
Proc. SPIE 3766, X-Ray Optics, Instruments, and Missions II, (29 September 1999); doi: 10.1117/12.363632
Show Author Affiliations
Piet A. J. de Korte, Space Research Organization Netherlands (Netherlands)
Henk F.C. Hoevers, Space Research Organization Netherlands (Netherlands)
Marcel P. Bruijn, Space Research Organization Netherlands (Netherlands)
Antonio C. Bento, Space Research Organization Netherlands (United Kingdom)
Willem A. Mels, Space Research Organization Netherlands (Netherlands)
Johan A.M. Bleeker, Space Research Organization Netherlands (Netherlands)
Andrew D. Holland, Univ. of Leicester (United Kingdom)
Martin J. L. Turner, Univ. of Leicester (United Kingdom)

Published in SPIE Proceedings Vol. 3766:
X-Ray Optics, Instruments, and Missions II
Richard B. Hoover; Arthur B. C. Walker II, Editor(s)

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