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92 GHz dual-polarized integrated horn antennasA dual-polarized two-dimensional imaging array was designed for millimeter-wave applications. The dual-polarized design consists of two dipoles perpendicular to each other and suspended on the same membrane inside a pyramidal cavity etched in silicon. The dual-polarized antenna is fully monolithic with room available for processing electronics. The IF or video signals are taken out through a novel bias and feeding structure. The measured polarization isolation is better than 20 dB at 92 GHz, and the orthogonal channels show identical far-field patterns. The antenna is well suited for millimeter-wave polarimetric synthetic-aperture radars (SARs) and high-efficiency balanced-mixer receivers.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Ali-Ahmad, Walid Y.
(Michigan Univ. Ann Arbor, MI, United States)
Rebeiz, Gabriel M.
(NASA Center for Space Terahertz Technology; Michigan, University Ann Arbor, United States)
Date Acquired
August 14, 2013
Publication Date
June 1, 1991
Publication Information
Publication: IEEE Transactions on Antennas and Propagation
Volume: 39
ISSN: 0018-926X
Subject Category
Communications And Radar
Accession Number
Distribution Limits

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