Development of TES-based detectors array for the X-ray Integral Field Unit (X-IFU) on the future x-ray observatory ATHENA

Luciano Gottardi; Hiroki Akamatsu; Didier Barret; Marcel P. Bruijn; Roland H. den Hartog; Jan-Willem den Herder; Henk F. C. Hoevers; Mikko Kiviranta; Jan van der Kuur; Anton J. van der Linden; Brian D. Jackson; Madu Jambunathan; Marcel L. Ridder

doi:10.1117/12.2056920

Development of TES-based detectors array for the X-ray Integral Field Unit (X-IFU) on the future x-ray observatory ATHENA

Instrumentation and Methods for Astrophysics 2016-04-05 v1 Superconductivity Instrumentation and Detectors

Authors: Luciano Gottardi , Hiroki Akamatsu , Didier Barret , Marcel P. Bruijn , Roland H. den Hartog , Jan-Willem den Herder , Henk F. C. Hoevers , Mikko Kiviranta , Jan van der Kuur , Anton J. van der Linden , Brian D. Jackson , Madu Jambunathan , Marcel L. Ridder

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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 250{\mu}m 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.

Keywords

transition-edge sensor microcalorimeter X-ray detector frequency domain multiplexing Athena X-IFU TiAu TES AuBi absorber

Cite

@article{arxiv.1604.00553,
  title  = {Development of TES-based detectors array for the X-ray Integral Field Unit (X-IFU) on the future x-ray observatory ATHENA},
  author = {Luciano Gottardi and Hiroki Akamatsu and Didier Barret and Marcel P. Bruijn and Roland H. den Hartog and Jan-Willem den Herder and Henk F. C. Hoevers and Mikko Kiviranta and Jan van der Kuur and Anton J. van der Linden and Brian D. Jackson and Madu Jambunathan and Marcel L. Ridder},
  journal= {arXiv preprint arXiv:1604.00553},
  year   = {2016}
}

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9 pages, 8 figures

Development of TES-based detectors array for the X-ray Integral Field Unit (X-IFU) on the future x-ray observatory ATHENA

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