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Browse Journals & Magazines > Antennas and Propagation, IEE ...> Volume:52 Issue:11 Help

A novel horn radiator with high aperture efficiency and low cross-polarization and applications in arrays and multibeam reflector antennas

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2 Author(s)
Bhattacharyya, A.K. ; Boeing Satellite Syst., Los Angeles, CA, USA ; Goyette, G.

A step horn structure is presented that yields about 90% aperture efficiency with low cross-polar radiation. It is found that for obtaining high aperture efficiency, the horn aperture should consist of only the TEz type of modes in appropriate amplitudes and phases. The desired TEz modes are produced using multiple steps in the horn walls. The distances between the steps are critical to suppress the undesired TMz modes. Radiation characteristics of high efficiency circular and square horns are presented and potential applications of such high efficiency horns are discussed.

Published in:
Antennas and Propagation, IEEE Transactions on  (Volume:52 ,  Issue: 11 )

Date of Publication: Nov. 2004

Page(s):
2850 - 2859
ISSN :
0018-926X
INSPEC Accession Number:
8208763
Digital Object Identifier :
10.1109/TAP.2004.835233
Product Type:
Journals & Magazines
Date of Current Version :
08 November 2004
Issue Date :
Nov. 2004
Sponsored by :
IEEE Antennas and Propagation Society

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