Development of large radii half-wave plates for CMB satellite missions

Pisano, Giampaolo ORCID: https://orcid.org/0000-0003-4302-5681, Ng, M. W., Maffei, Bruno, Haynes, V., Brown, M., Noviello, F., de Bernardis, Paolo, Masi, S., Piacentini, F., Pagano, L., Salatino, M., Ellison, B., Henry, M., de Maagt, P. and Shortt, B. 2014. Development of large radii half-wave plates for CMB satellite missions. Presented at: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII, Montréal, Quebec, Canada, 24-27 June 2014. Published in: Holland, Wayne S. and Zmuidzinas, Jonas eds. Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII (proceedings). Proceedings of SPIE (9153) Bellingham WA: The International Society for Optical Engineering, p. 915317. 10.1117/12.2056380

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Abstract

The successful European Space Agency (ESA) Planck mission has mapped the Cosmic Microwave Background (CMB) temperature anisotropy with unprecedented accuracy. However, Planck was not designed to detect the polarised components of the CMB with comparable precision. The BICEP2 collaboration has recently reported the first detection of the B-mode polarisation. ESA is funding the development of critical enabling technologies associated with B-mode polarisation detection, one of these being large diameter half-wave plates. We compare different polarisation modulators and discuss their respective trade-offs in terms of manufacturing, RF performance and thermo-mechanical properties. We then select the most appropriate solution for future satellite missions, optimized for the detection of B-modes.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Uncontrolled Keywords:	satellites ; polarization ; anisotropy ; manufacturing ; modulators
Publisher:	The International Society for Optical Engineering
ISBN:	9780819496218
ISSN:	0277-786X
Last Modified:	27 Oct 2022 09:28
URI:	https://orca.cardiff.ac.uk/id/eprint/65967

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