A polarimetric camera for a future large aperture submillimeter space observatory

Vincent Revéret; Louis Rodriguez; Jérôme Martignac; Albrecht Poglitsch

doi:10.1117/12.3020508

24 August 2024 A polarimetric camera for a future large aperture submillimeter space observatory

Vincent Revéret, Louis Rodriguez, Jérôme Martignac, Albrecht Poglitsch

Author Affiliations +

Proceedings Volume 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave; 130922A (2024) https://doi.org/10.1117/12.3020508
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

Recent advancements in imaging the magnetic field in the interstellar medium (ISM) have been made using instruments like PILOT, NIKA2, and HAWC+. These instruments, operating in submillimeter and millimeter domains, have revealed that the magnetic field tends to be orthogonal to the filamentary structures in star-forming regions of the ISM. However, further observations with higher spatial resolution are needed to better understand the physical processes in these areas. An upgraded version of the BBOP instrument, initially developed for the SPICA mission, is proposed for future large aperture space observatories. This enhanced BBOP features three bolometer arrays sensitive to 100, 220, and 350-micron spectral bands. These silicon bolometers offer significantly improved sensitivity and polarimetric capabilities. Each pixel can detect two orthogonal polarization components, and the bolometer arrays operate at 50 mK with a differential read-out scheme. This allows simultaneous measurement of both total light intensity and polarization for each pixel. The presentation will cover the instrument's concept, design, estimated performance, and initial laboratory tests.

Conference Presentation

Citation Download Citation

Vincent Revéret, Louis Rodriguez, Jérôme Martignac, and Albrecht Poglitsch "A polarimetric camera for a future large aperture submillimeter space observatory", Proc. SPIE 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave, 130922A (24 August 2024); https://doi.org/10.1117/12.3020508

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