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EURECA - A European-Japanese micro-calorimeter array

AuthorsKorte, Piet A. de; Anquita, J.; Barcons, Xavier ; Bastia, Paolo; Beyer, Joern; Briones Fernández-Pola, Fernando ; Bruijn, Marcel; Camón, Agustín; Carrera, Francisco J. ; Ceballos, María Teresa ; Colasanti, Luca; Dirks, Bob; Drung, D.; Fàbrega, Lourdes ; Gatti, Flavio; González-Arrabal, Raquel ; Gottardi, Luciano; Hajdas, Wojtek; Helistö, Panu; Herder, J. W. den; Hoevers, Henk; Ishisaki, Yoshitaka; Kiviranta, Mikko; Kuur, Jan van der; Macculi, Claudio; Mchedlishvili, Aliko; Mitsuda, Kazu; Paltani, Stéphane; Parra-Borderías, María ; Piro, Luigi; Rohlfs, Reiner; Sesé Monclús, Javier ; Takei, Yoh; Torrioli, Guido; Yamasaki, Noriko
Issue Date2008
PublisherThe International Society for Optics and Photonics
CitationProceedings of SPIE 7011: 701122 (2008)
AbstractThe EURECA (EURopean-JapanEse Calorimeter Array) project aims to demonstrate the science performance and technological readiness of an imaging X-ray spectrometer based on a micro-calorimeter array for application in future X-ray astronomy missions, like Constellation-X and XEUS. The prototype instrument consists of a 5 x 5 pixel array of TES-based micro-calorimeters read out by by two SQUID-amplifier channels using frequency-domain-multiplexing (FDM). The SQUID-amplifiers are linearized by digital base-band feedback. The detector array is cooled in a cryogenfree cryostat consisting of a pulse tube cooler and a two stage ADR. A European-Japanese consortium designs, fabricates, and tests this prototype instrument. This paper describes the instrument concept, and shows the design and status of the various sub-units, like the TES detector array, LC-filters, SQUID-amplifiers, AC-bias sources, digital electronics, etc. Initial tests of the system at the PTB beam line of the BESSY synchrotron showed stable performance and an X-ray energy resolution of 1.58 eV at 250 eV and 2.5 eV @ 5.9 keV for the read-out of one TES-pixel only. Next step is deployment of FDM to read-out the full array. Full performance demonstration is expected mid 2009.
DescriptionTrabajo presentado como comunicación a la Conferencia "Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray" celebrada en Francia el 23 de Junio del 2008.
Publisher version (URL)http://dx.doi.org/10.1117/12.788963
Identifiersdoi: 10.1117/12.788963
e-issn: 0277-786X
issn: 1996-756X
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