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Polarizing Grids, Their Assemblies, and Beams of Radiation

Houde, Martin and Akeson, Rachel L. and Carlstrom, John E. and Lamb, James W. and Schleuning, David A. and Woody, David P. (2001) Polarizing Grids, Their Assemblies, and Beams of Radiation. Publications of the Astronomical Society of the Pacific, 113 (783). pp. 622-638. ISSN 0004-6280. doi:10.1086/320287.

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This paper gives an analysis of the behavior of polarizing grids and reflecting polarizers by solving Maxwell's equations, for arbitrary angles of incidence and grid rotation, for cases where the excitation is provided by an incident plane wave or a beam of radiation. The scattering and impedance matrix representations are derived and used to solve more complicated configurations of grid assemblies. The results are also compared with data obtained in the calibration of reflecting polarizers at the Owens Valley Radio Observatory. From this analysis, we propose a method for choosing the optimum grid parameters (wire radius and spacing). We also provide a study of the effects of two types of errors (in wire separation and radius size) that can be introduced in the fabrication of a grid.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper
Akeson, Rachel L.0000-0001-9674-1564
Carlstrom, John E.0000-0002-2044-7665
Additional Information:© 2001 The Astronomical Society of the Pacific. Received 2000 October 27; Accepted 2001 February 5. We are grateful to J. B. Shapiro and E. E. Bloemhof for their permission to use their previously published experimental results. We wish to thank the staff of the Owens Valley Radio Observatory and O. P. Lay for numerous discussions and suggestions. The Owens Valley Radio Observatory is funded by the National Science Foundation under contract AST 96‐13717 and the polarimetry project at OVRO through NASA grant NAG5‐4462. The work of M. H. was supported in part by a grants from FCAR and the Département de Physique de l'Université de Montréal.
Funding AgencyGrant Number
NSFAST 96‐13717
Université de MontréalUNSPECIFIED
Issue or Number:783
Record Number:CaltechAUTHORS:20190722-161251070
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Official Citation:Martin Houde et al 2001 PASP 113 622
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:97336
Deposited By: Tony Diaz
Deposited On:22 Jul 2019 23:27
Last Modified:16 Nov 2021 17:30

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