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Proceedings Paper

CEA bolometer arrays: the first year in space
Author(s): Nicolas Billot; M. Sauvage; L. Rodriguez; B. Horeau; C. Kiss; H. Aussel; K. Okumura; O. Boulade; B. Altieri; A. Poglitsch; P. Agnèse
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Paper Abstract

The CEA/LETI and CEA/SAp started the development of far-infrared filled bolometer arrays for space applications over a decade ago. The unique design of these detectors makes possible the assembling of large focal planes comprising thousands of bolometers running at 300 mK with very low power dissipation. Ten arrays of 16x16 pixels were thoroughly tested on the ground, and integrated in the Herschel/PACS instrument before launch in May 2009. These detectors have been successfully commissioned and are now operating in their nominal environment at the second Lagrangian point of the Earth-Sun system. In this paper we briefly explain the functioning of CEA bolometer arrays, and we present the properties of the detectors focusing on their noise characteristics, the effect of cosmic rays on the signal, the repeatability of the measurements, and the stability of the system.

Paper Details

Date Published: 13 July 2010
PDF: 11 pages
Proc. SPIE 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, 774102 (13 July 2010); doi: 10.1117/12.856449
Show Author Affiliations
Nicolas Billot, NASA Herschel Science Ctr. (United States)
M. Sauvage, CEA, Lab. AIM, Irfu/SAp (France)
L. Rodriguez, CEA, Lab. AIM, Irfu/SAp (France)
B. Horeau, CEA, Lab. AIM, Irfu/SAp (France)
C. Kiss, Konkoly Observatory (Hungary)
H. Aussel, CEA, Lab. AIM, Irfu/SAp (France)
K. Okumura, CEA, Lab. AIM, Irfu/SAp (France)
O. Boulade, CEA, Lab. AIM, Irfu/SAp (France)
B. Altieri, Herschel Science Ctr. (Spain)
A. Poglitsch, Max-Planck-Institut für extraterrestrische Physik (Germany)
P. Agnèse, CEA-LETI (France)

Published in SPIE Proceedings Vol. 7741:
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V
Wayne S. Holland; Jonas Zmuidzinas, Editor(s)

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