The effect of a scanning flat fold mirror on a CMB B-mode experiment

Details The effect of a scanning flat fold mirror on a CMB B-mode experiment The effect of a scanning flat fold mirror on a CMB B-mode experiment

2011-05-17

arxiv.org/abs/1105.3409v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

8 pages, 5 figures. Accepted for publication in Rev Sci Inst

Scientific paper

We investigate the possibility of using a flat-fold beam steering mirror for
a CMB B-mode experiment. An aluminium flat-fold mirror is found to add
$\sim$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.

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