Submillimeter bolometers arrays for the PACS/Herschel spectro-photometer

8 October 2004 Submillimeter bolometers arrays for the PACS/Herschel spectro-photometer

Proceedings Volume 5498, Millimeter and Submillimeter Detectors for Astronomy II; (2004) https://doi.org/10.1117/12.551299
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

Since 1997, CEA/SAP and CEA/LETI/SLIR have been developing monolithic Si bolometer arrays sensitive in the far infrared and submillimiter range for space observations. Two focal planes, 32x64 and 16x32 pixel arrays, are designed and manufactured for the PACS (Photodetector Array Camera and Spectrometer) instrument of the Herschel observatory, to be launched in 2007. The two arrays cover respectively the 60-130 μm and 130-210 μm ranges. The goal of these large bolometer arrays is to achieve observations in a Background limited NEP around 10^-16W.Hz^-1/2. The detector physics and manufacture techniques of the different stages of these arrays are first presented. Then we describe the read-out and multiplexing cold electronics (300mK) that make possible several functional modes (temporal and fixed pattern noise reduction,...). The latest experimental measurements carried out with the complete detector system at the nominal temperature are presented and performances are discussed.

Citation Download Citation

Francois Simoens, Patrick Agnese, Alain Beguin, Jacques Carcey, Jean-Charles Cigna, Jean-Louis Pornin, Patrice Rey, Aurelie Vandeneynde, Louis Rodriguez, Olivier Boulade, Jean Lepennec, Jerome Martignac, Eric Doumayrou, Vincent Reveret, and Laurent Vigroux "Submillimeter bolometers arrays for the PACS/Herschel spectro-photometer", Proc. SPIE 5498, Millimeter and Submillimeter Detectors for Astronomy II, (8 October 2004); https://doi.org/10.1117/12.551299

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