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A two-element horn-reflector antenna for cosmic microwave background astronomy

Abstract:

We present the design of a novel two-element horn-reflector antenna, which has been used on an interferometer built for studying the anisotropy in the cosmic microwave background at an angular scale of ≈ 2° and a frequency of 33 GHz. The design consists of a pair of closely packed parabolic mirrors fed by two rectangular corrugated horns, each at an offset angle of 75° to the axis of its mirror. The offset angle and the horn-reflector dimensions were chosen so that the antenna has elliptical ...

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Publication status:
Published

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Publisher copy:
10.1109/8.997995

Authors


Dicker, SR More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Withington, S More by this author
Journal:
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
Volume:
50
Issue:
2
Pages:
198-204
Publication date:
2002-02-05
DOI:
ISSN:
0018-926X
URN:
uuid:00b36726-b3e4-4d33-b317-0821470d423b
Source identifiers:
20270
Local pid:
pubs:20270
Language:
English
Keywords:

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