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Proceedings Paper

Development of TES-based detectors array for the X-ray Integral Field Unit (X-IFU) on the future x-ray observatory ATHENA
Author(s): L. Gottardi; H. Akamatsu; D. Barret; M. P. Bruijn; R. H. den Hartog; J. -W. den Herder; H. F. C. Hoevers; M. Kiviranta; J. van der Kuur; A. J. van der Linden; B. D. Jackson; M. Jambunathan; M. L. Ridder
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Paper Abstract

We are developing transition-edge sensor (TES)-based microcalorimeters for the X-ray Integral Field Unit (XIFU) of the future European X-Ray Observatory Athena. The microcalorimeters are based on TiAu TESs coupled to 250μm squared, AuBi absorbers. We designed and fabricated devices with different contact geometries between the absorber and the TES to optimise the detector performance and with different wiring topology to mitigate the self-magnetic field. The design is tailored to optimise the performance under Frequency Domain Multiplexing. In this paper we review the main design feature of the pixels array and we report on the performance of the 18 channels, 2-5MHz frequency domain multiplexer that will be used to characterised the detector array.

Paper Details

Date Published: 25 July 2014
PDF: 7 pages
Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 91442M (25 July 2014); doi: 10.1117/12.2056920
Show Author Affiliations
L. Gottardi, SRON Netherlands Institute for Space Research (Netherlands)
H. Akamatsu, SRON Netherlands Institute for Space Research (Netherlands)
D. Barret, Institut de Recherche en Astrophysique et Planétologie (France)
M. P. Bruijn, SRON Netherlands Institute for Space Research (Netherlands)
R. H. den Hartog, SRON Netherlands Institute for Space Research (Netherlands)
J. -W. den Herder, SRON Netherlands Institute for Space Research (Netherlands)
H. F. C. Hoevers, SRON Netherlands Institute for Space Research (Netherlands)
M. Kiviranta, VTT Technical Research Ctr. of Finland (Finland)
J. van der Kuur, SRON Netherlands Institute for Space Research (Netherlands)
A. J. van der Linden, SRON Netherlands Institute for Space Research (Netherlands)
B. D. Jackson, SRON Netherlands Institute for Space Research (Netherlands)
M. Jambunathan, SRON Netherlands Institute for Space Research (Netherlands)
M. L. Ridder, SRON Netherlands Institute for Space Research (Netherlands)


Published in SPIE Proceedings Vol. 9144:
Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray
Tadayuki Takahashi; Jan-Willem A. den Herder; Mark Bautz, Editor(s)

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