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Superconducting Niobium/Silicon Bolometer Developments in the DCMB French Collaboration

Published online by Cambridge University Press:  11 June 2009

D. Prêle*
Affiliation:
AstroParticule et Cosmologie (APC), CNRS/UMR 7164, Université Paris 7 Denis Diderot, France
M. Piat
Affiliation:
AstroParticule et Cosmologie (APC), CNRS/UMR 7164, Université Paris 7 Denis Diderot, France
E. Bréelle
Affiliation:
AstroParticule et Cosmologie (APC), CNRS/UMR 7164, Université Paris 7 Denis Diderot, France
F. Voisin
Affiliation:
AstroParticule et Cosmologie (APC), CNRS/UMR 7164, Université Paris 7 Denis Diderot, France
H. Geoffray
Affiliation:
Centre National d'Études Spatiales (CNES), Toulouse, France
S. Marnieros
Affiliation:
Centre de Spectrométrie Nuclaire et de Spectrométrie de Masse (CSNSM), Orsay, France
L. Dumoulin
Affiliation:
Centre de Spectrométrie Nuclaire et de Spectrométrie de Masse (CSNSM), Orsay, France
D. Stanescu
Affiliation:
Centre de Spectrométrie Nuclaire et de Spectrométrie de Masse (CSNSM), Orsay, France
Y. Atik
Affiliation:
Institut d'Astrophysique Spatiale (IAS), Orsay, France
C. Evesque
Affiliation:
Institut d'Astrophysique Spatiale (IAS), Orsay, France
B. Leriche
Affiliation:
Institut d'Astrophysique Spatiale (IAS), Orsay, France
F. Pajot
Affiliation:
Institut d'Astrophysique Spatiale (IAS), Orsay, France
B. Bélier
Affiliation:
Institut d'Électronique Fondamentale (IEF), Orsay, France
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Abstract

This paper concentrates on a first demonstrator, a 23 NbSi superconducting thermometer array, developed in the DCMB collaboration. Firstly, the NbSi thin film alloy is described then the 23 TES array topology is presented. After that, DC and noise cryogenic measurement is reported. The cryogenic readout chain is also presented and finally, the multiplexing scheme developed for the readout of the 23 pixels array is described.

Type
Research Article
Copyright
© EAS, EDP Sciences, 2009

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References

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