A 50 mK test bench for demonstration of the readout chain of Athena/X-IFU

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https://www.spiedigitallibrary.org/conference-proceedings-of-spie/12181/1218144/A-50-mK-test-bench-for-demonstration-of-the-readout/10.1117/12.2630323.full

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https://doi.org/10.1117/12.2630323
 http://hdl.handle.net/11603/26166

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UMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
UMBC Faculty Collection

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https://orcid.org/0000-0001-8397-9338

Date

2022-08-31

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conference papers and proceedings
posters
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Citation of Original Publication

Florent Castellani, Sophie Beaumont, François Pajot, Gilles Roudil, Joseph S. Adams, Simon R. Bandler, James A. Chervenak, Christophe Daniel, Edward V. Denison, William B. Doriese, Michel Dupieux, Malcolm Durkin, Hervé Geoffray, Gene C. Hilton, David Murat, Yann Parot, Philippe Peille, Damien Prêle, Laurent Ravera, Carl D. Reintsema, Kazuhiro Sakai, Robert W. Stevens, Joel N. Ullom, Leila R. Vale, and Nicholas A. Wakeham "A 50 mK test bench for demonstration of the readout chain of Athena/X-IFU", Proc. SPIE 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, 1218144 (31 August 2022); https://doi.org/10.1117/12.2630323

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This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
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Abstract

The X-IFU (X-ray Integral Field Unit) onboard the large ESA mission Athena (Advanced Telescope for High ENergy Astrophysics), planned to be launched in the mid 2030s, will be a cryogenic X-ray imaging spectrometer operating at 55 mK. It will provide unprecedented spatially resolved high-resolution spectroscopy (2.5 eV FWHM up to 7 keV) in the 0.2-12 keV energy range thanks to its array of TES (Transition Edge Sensors) microcalorimeters of more than 2k pixel. The detection chain of the instrument is developed by an international collaboration: the detector array by NASA/GSFC, the cold electronics by NIST, the cold amplifier by VTT, the WFEE (Warm Front-End Electronics) by APC, the DRE (Digital Readout Electronics) by IRAP and a focal plane assembly by SRON. To assess the operation of the complete readout chain of the X-IFU, a 50 mK test bench based on a kilo-pixel array of microcalorimeters from NASA/GSFC has been developed at IRAP in collaboration with CNES. Validation of the test bench has been performed with an intermediate detection chain entirely from NIST and Goddard. Next planned activities include the integration of DRE and WFEE prototypes in order to perform an end-to-end demonstration of a complete X-IFU detection chain.