EURECA: European-Japanese Microcalorimeter Array
Authors
Bussons Gordo, JavierIdentifiers
Permanent link (URI): http://hdl.handle.net/10017/59274DOI: 10.1007/s10909-008-9731-8
ISSN: 0022-2291
Date
2008-02-28Funders
Dutch Organization for Scientific Re-search (NWO)
Bibliographic citation
Journal of Low Temperature Physics, 2008, v. 151, n. , p. 733-739
Keywords
X-ray microcalorimeters
Transition edge sensors
Frequency-domain-multiplexing
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/publishedVersion
Rights
© Springer Science+Business Media
Attribution 4.0 International (CC BY 4.0)
Access rights
info:eu-repo/semantics/openAccess
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 chan-
nels 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 resolu-
tion of 1.5 eV at 250 eV for read-out of one TES-pixel only. Next step is deploy-
ment of FDM to read-out the full array. Full performance demonstration is expected
end 2008.
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