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The effect of a scanning flat fold mirror on a cosmic microwave background B-mode experiment

Grainger, William F., North, Christopher E. and Ade, Peter A. R. 2011. The effect of a scanning flat fold mirror on a cosmic microwave background B-mode experiment. Review of Scientific Instruments 82 (6) , 064502. 10.1063/1.3598342

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Abstract

We investigate the possibility of using a flat-fold beam steering mirror for a cosmic microwave background B-mode experiment. An aluminium flat-fold mirror is found to add ∼0.075% polarization, which varies in a scan synchronous way. Time-domain simulations of a realistic scanning pattern are performed, and the effect on the power-spectrum illustrated, and a possible method of correction applied.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: mirrors, polarisation, radiofrequency cosmic radiation, time-domain analysis
Additional Information: 6 pages.
Publisher: American Institute of Physics
ISSN: 0034-6748
Last Modified: 04 Jun 2017 03:31
URI: http://orca.cf.ac.uk/id/eprint/22416

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