On the reduction of phase-aberrations in three-dimensional Rotman lens design

In this paper, several design procedures for three-dimensional lens antennas to be used in multiple beam antenna applications are discussed and compared based on phase-only analyses with an attempt to reduce phase-aberrations over a wide angular scanning range. In particular, focused designs and non...

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Main Authors: Fonseca, N. J. G., Cala, E., Toso, G.
Format: Conference Proceeding
Language:English
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3D lens
Array antenna
Arrays
Feeds
Lenses
phase-aberrations
Planar arrays
Shape
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Cala, E.
Toso, G.
description In this paper, several design procedures for three-dimensional lens antennas to be used in multiple beam antenna applications are discussed and compared based on phase-only analyses with an attempt to reduce phase-aberrations over a wide angular scanning range. In particular, focused designs and non-focused designs are described and parametric analyses are presented to identify some guidelines in the design of such structures. Our investigations confirm that designs with multiple foci are not necessarily better than non-focused designs, but different dependency on the lens' main parameters are found which may be considered to select the more suitable lens design for a given set of constraints.
doi_str_mv 10.1109/ANTEM.2012.6262323
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G.</creatorcontrib><creatorcontrib>Cala, E.</creatorcontrib><creatorcontrib>Toso, G.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE/IET Electronic Library</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Fonseca, N. J. 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source IEEE Electronic Library (IEL) Conference Proceedings
subjects 3D lens
Array antenna
Arrays
Feeds
Lenses
phase-aberrations
Planar arrays
Shape
title On the reduction of phase-aberrations in three-dimensional Rotman lens design
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