Dealing with beam structure in PIXIE

D. J. Fixsen; Alan Kogut; Robert S. Hill; Peter C. Nagler; Lenward T. Seals; Joseph M. Howard

doi:10.1117/12.2232717

Abstract

Measuring the B-mode polarization of the CMB radiation requires a detailed understanding of the projection of the detector onto the sky. We show how the combination of scan strategy and processing generates a cylindrical beam for the spectrum measurement. Both the instrumental design and the scan strategy reduce the cross coupling between the temperature variations and the B-modes. As with other polarization measurements some post processing may be required to eliminate residual errors.

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D. J. Fixsen, D. J. Fixsen, Alan Kogut, Alan Kogut, Robert S. Hill, Robert S. Hill, Peter C. Nagler, Peter C. Nagler, Lenward T. Seals, Lenward T. Seals, Joseph M. Howard, Joseph M. Howard, } "Dealing with beam structure in PIXIE", Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 99141B (19 July 2016); doi: 10.1117/12.2232717; https://doi.org/10.1117/12.2232717

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