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Proceedings Paper

Toward a cryogenic imaging array of transition edge x-ray microcalorimeters
Author(s): Marcel P. Bruijn; Wouter Bergman Tiest; Henk F.C. Hoevers; Jan van der Kuur; Willem A. Mels; Piet A. J. de Korte
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Paper Abstract

We report on the development of an imaging detector with high energy resolution for the X-ray Evolving Universe Spectroscopy Mission (XEUS). The type of detector we are studying is a voltage biased superconducting transition edge microcalorimeter, operated at sub-Kelvin temperatures. Baseline for the imaging function is an array of these calorimeters, read out using SQUID amplifiers. Based on the performance of and experience with single-pixel micro calorimeters, we discuss new design concepts and read-out of imaging arrays of micro calorimeters. Critical design elements are the thermal transport from the pixels to the bath, operating temperature and cross talk. The requirements of a SQUID read-out system for the XEUS spectrometer are addressed and the areas where development is needed are identified.

Paper Details

Date Published: 18 July 2000
PDF: 9 pages
Proc. SPIE 4012, X-Ray Optics, Instruments, and Missions III, (18 July 2000); doi: 10.1117/12.391550
Show Author Affiliations
Marcel P. Bruijn, Space Research Organisation of the Netherlands (Netherlands)
Wouter Bergman Tiest, Space Research Organisation of the Netherlands (Netherlands)
Henk F.C. Hoevers, Space Research Organisation of the Netherlands (Netherlands)
Jan van der Kuur, Space Research Organisation of the Netherlands (Netherlands)
Willem A. Mels, Space Research Organisation of the Netherlands (Netherlands)
Piet A. J. de Korte, Space Research Organisation of the Netherlands (Netherlands)


Published in SPIE Proceedings Vol. 4012:
X-Ray Optics, Instruments, and Missions III
Joachim E. Truemper; Bernd Aschenbach, Editor(s)

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