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

G. Pisano; B. Maffei; M. W. Ng; V. Haynes; M. Brown; F. Noviello; Paolo de Bernardis; S. Masi; F. Piacentini; L. Pagano; M. Salatino; B. Ellison; M. Henry; P. de Maagt; B. Shortt

doi:10.1117/12.2056380

23 July 2014 Development of large radii half-wave plates for CMB satellite missions

G. Pisano, B. Maffei, M. W. Ng, V. Haynes, M. Brown, F. Noviello, Paolo de Bernardis, S. Masi, F. Piacentini, L. Pagano, M. Salatino, B. Ellison, M. Henry, P. de Maagt, B. Shortt

Author Affiliations +

Proceedings Volume 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII; 915317 (2014) https://doi.org/10.1117/12.2056380
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

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.

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G. Pisano, B. Maffei, M. W. Ng, V. Haynes, M. Brown, F. Noviello, Paolo de Bernardis, S. Masi, F. Piacentini, L. Pagano, M. Salatino, B. Ellison, M. Henry, P. de Maagt, and B. Shortt "Development of large radii half-wave plates for CMB satellite missions", Proc. SPIE 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII, 915317 (23 July 2014); https://doi.org/10.1117/12.2056380

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