EURECA: European-Japanese Microcalorimeter Array

Details EURECA: European-Japanese Microcalorimeter Array EURECA: European-Japanese Microcalorimeter Array

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jltp..151..733d&link_type=abstract

Journal of Low Temperature Physics, Volume 151, Issue 3-4, pp. 733-739

Physics

5

Scientific paper

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.

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