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Proceedings Paper

Bolometer arrays development in the DCMB French collaboration
Author(s): Michel Piat; Y. Atik; B. Bélier; A. Benoit; L. Bergé; A. Bounab; E. Bréelle; P. Camus; S. Collin; F. X. Désert; L. Dumoulin; C. Evesque; H. Geoffray; M. Giard; C. Hoffmann; Y. Jin; G. Klisnick; S. Marnieros; A. Monfardini; F. Pajot; D. Prêle; M. Redon; D. Santos; D. Stanescu; G. Sou; F. Voisin
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Paper Abstract

Bolometers cooled to very low temperature are currently the most sensitive detectors for low spectral resolution detection of millimetre and sub-millimetre wavelengths. The best performances of the state-of-the-art bolometers allow to reach sensitivities below the photon noise of the Cosmic Microwave Background for example. Since 2003, a french R&D effort called DCMB ("Developpement Concerte de Matrices de Bolometres") has been organised between different laboratories to develop large bolometers arrays for astrophysics observations. Funded by CNES and CNRS, it is intended to get a coherent set of competences and equipments to develop very cold bolometers arrays by microfabrication. Two parallel developments have been made in this collaboration based on the NbSi alloy either semi-conductive or superconducting depending on the proportion of Nb. Multiplexing schemes have been developed and demonstrated for these two options. I will present the latest developments made in the DCMB collaboration and future prospects.

Paper Details

Date Published: 18 July 2008
PDF: 8 pages
Proc. SPIE 7020, Millimeter and Submillimeter Detectors and Instrumentation for Astronomy IV, 70200G (18 July 2008); doi: 10.1117/12.789703
Show Author Affiliations
Michel Piat, Astroparticule et Cosmologie Lab., Univ. Paris 7 Denis Diderot (France)
Y. Atik, IAS, Univ. Paris Sud-11 (France)
B. Bélier, IEF, Univ. Paris Sud-11 (France)
A. Benoit, Institut Néel (France)
L. Bergé, CSNSM, Univ. Paris Sud-11 (France)
A. Bounab, CESR (France)
E. Bréelle, Astroparticule et Cosmologie Lab., Univ. Paris 7 Denis Diderot (France)
P. Camus, Institut Néel (France)
S. Collin, CSNSM, Univ. Paris Sud-11 (France)
F. X. Désert, LAOG (France)
L. Dumoulin, CSNSM, Univ. Paris Sud-11 (France)
C. Evesque, IAS, Univ. Paris Sud-11 (France)
H. Geoffray, CNES (France)
M. Giard, CESR (France)
C. Hoffmann, Institut Néel (France)
Y. Jin, LPN, Site Alcatel (France)
G. Klisnick, L2E, UPMC Univ. Paris 6 (France)
S. Marnieros, CSNSM, Univ. Paris Sud-11 (France)
A. Monfardini, Institut Néel (France)
F. Pajot, IAS, Univ. Paris Sud-11 (France)
D. Prêle, Astroparticule et Cosmologie Lab., Univ. Paris 7 Denis Diderot (France)
M. Redon, L2E, UPMC Univ. Paris 6 (France)
D. Santos, LPSC (France)
D. Stanescu, CSNSM, Univ. Paris Sud-11 (France)
IEF, Univ. Paris Sud-11 (France)
G. Sou, L2E, UPMC Univ. Paris 6 (France)
F. Voisin, Astroparticule et Cosmologie Lab., Univ. Paris 7 Denis Diderot (France)


Published in SPIE Proceedings Vol. 7020:
Millimeter and Submillimeter Detectors and Instrumentation for Astronomy IV
William D. Duncan; Wayne S. Holland; Stafford Withington; Jonas Zmuidzinas, Editor(s)

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