B-BOP: the SPICA imaging polarimeter

V. Revéret; M. Sauvage; Obaïd Adami; A. Aliane; M. Berthé; S. Bounissou; X. de la Broïse; M. Chimeno; A. Demonti; C. Delisle; E. Doumayrou; L. Duband; D. Dubreuil; L. Dussopt; P.-A. Frugier; C. Gennet; O. Gevin; V. Goudon; H. Kaya; B. Marquet; J. Martignac; S. Martin; F. Najarro; X.-F. Navick; J. Perez; J.-Y. Plesseria; A. Poglitsch; L. Rodriguez; J. Torres Redondo; F. Visticot

doi:10.1117/12.2562419

29 December 2020 B-BOP: the SPICA imaging polarimeter

V. Revéret, M. Sauvage, Obaïd Adami, A. Aliane, M. Berthé, S. Bounissou, X. de la Broïse, M. Chimeno, A. Demonti, C. Delisle, E. Doumayrou, L. Duband, D. Dubreuil, L. Dussopt, P.-A. Frugier, C. Gennet, O. Gevin, V. Goudon, H. Kaya, B. Marquet, J. Martignac, S. Martin, F. Najarro, X.-F. Navick, J. Perez, J.-Y. Plesseria, A. Poglitsch, L. Rodriguez, J. Torres Redondo, F. Visticot

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Proceedings Volume 11443, Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave; 114436P (2020) https://doi.org/10.1117/12.2562419
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Conference Poster

Abstract

We present the B-BOP instrument, a polarimetric camera on board the future ESA-JAXA SPICA far-infrared space observatory. B-BOP will allow the study of the magnetic field in various astrophysical environments thanks to its unprecedented ability to measure the linear polarization of the submillimeter light. The maps produced by B-BOP will contain not only information on total power, but also on the degree and the angle of polarization, simultaneously in three spectral bands (70, 200 and 350 microns). The B-BOP detectors are ultra-sensitive silicon bolometers that are intrinsically sensitive to polarization. Their NEP is close to 10E^-18 W/sqrt(Hz). We will present the optical and thermal architectures of the instrument, we will detail the bolometer design and we will show the expected performances of the instrument based on preliminary lab work.

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V. Revéret, M. Sauvage, Obaïd Adami, A. Aliane, M. Berthé, S. Bounissou, X. de la Broïse, M. Chimeno, A. Demonti, C. Delisle, E. Doumayrou, L. Duband, D. Dubreuil, L. Dussopt, P.-A. Frugier, C. Gennet, O. Gevin, V. Goudon, H. Kaya, B. Marquet, J. Martignac, S. Martin, F. Najarro, X.-F. Navick, J. Perez, J.-Y. Plesseria, A. Poglitsch, L. Rodriguez, J. Torres Redondo, and F. Visticot "B-BOP: the SPICA imaging polarimeter", Proc. SPIE 11443, Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave, 114436P (29 December 2020); https://doi.org/10.1117/12.2562419

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