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EURECA: European-Japanese Microcalorimeter Array |
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| Authors: | P. de Korte J. Anquita F. Bakker X. Barcons P. Bastia J. Beyer D. Boersma F. Briones M. Bruijn J. Bussons A. Camòn F. Carrera M. Ceballos L. Colasanti D. Drung L. Fabrega L. Ferrari F. Gatti R. Gonzalez-Arrabal L. Gottardi W. Hajdas P. Helistö J. W. den Herder H. Hoevers Y. Ishisaki M. Kiviranta J. van der Kuur C. Macculi A. Mchedlishvili K. Mitsuda B. Monna R. Mossel T. Ohashi S. Pantali M. Parra L. Piro R. Rohlfs J. Sésé Y. Takei G. Torrioli H. van Weers N. Yamasaki |
| Affiliation: | (1) SRON Netherlands Institute for Space Research, Sorbonnelaan 2, 3584 CA Utrecht, Netherlands;(2) IMM-CSIC, Madrid, Spain;(3) IFCA, Santander, Spain;(4) University of Murcia, Murcia, Spain;(5) IMCA, Zaragoza, Spain;(6) INA, Zaragoza, Spain;(7) IMM-CSIC, Barcelona, Spain;(8) PSI, Villigen, Switzerland;(9) INFN/University of Genua, Genua, Italy;(10) Thales Alenia Spazio, Milano, Italy;(11) IASF/INAF, Rome, Italy;(12) IFN-CNR Rome, Rome, Italy;(13) VTT-Sensors, Espoo, Finland;(14) PTB, Berlin, Germany;(15) Tokyo Metropolitan University, Tokyo, Japan;(16) ISAS/JAXA, Tokyo, Japan;(17) Systematic Design B.V., Delft, Netherlands;(18) ISDC, Versoix, Switzerland |
| Abstract: | The EURECA project aims to demonstrate technological readiness of a micro-calorimeter array for application in future X-ray astronomy missions, like Constellation-X, EDGE, and XEUS. The prototype instrument consists of a 5×5 pixel array of TES-based micro-calorimeters read out by two SQUID-amplifier channels using frequency-domain-multiplexing (FDM) with digital base-band feedback. The detector array is cooled by a cryogen-free cryostat consisting of a pulse tube cooler and a two stage ADR. Initial tests of the system at the PTB beam line of the BESSY synchrotron showed stable performance and an X-ray energy resolution of 1.5 eV at 250 eV for read-out of one TES-pixel only. Next step is deployment of FDM to read-out the full array. Full performance demonstration is expected end 2008. |
| Keywords: | X-ray microcalorimeters Transition edge sensors Frequency-domain-multiplexing |
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