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Title: Dielectric lens antennas
Authors: Fernandes, C. A.
Lima, E. B.
Costa, J. R.
Keywords: Lens antennas
Geometrical optics
Physical optics
Lens feeds
Dielectric materials
Lens manufacturing
Lens profile design
Issue Date: 2016
Publisher: Springer
Abstract: Dielectric lens antennas are attracting a renewed interest for millimeter- and submillimeter-wave applications where they become compact, especially for configurations with integrated feeds usually referred as integrated lens antennas. Lenses are very flexible and simple to design and fabricate, being a reliable alternative at these frequencies to reflector antennas. Lens target output can range from a simple collimated beam (increasing the feed directivity) to more complex multi-objective specifications. This chapter presents a review of different types of dielectric lens antennas and lens design methods. Representative lens antenna design examples are described in detail, with emphasis on homogeneous integrated lenses. A review of the different lens analysis methods is performed, followed by the discussion of relevant lens antenna implementation issues like feeding options, dielectric material characteristics, fabrication methods, and a few dedicated measurement techniques. The chapter ends with a detailed presentation of some recent application examples involving dielectric lens antennas.
Peer reviewed: yes
DOI: 10.1007/978-981-4560-44-3_40
ISBN: 978-981-4560-43-6
Publisher version: The definite version is available online at:
Appears in Collections:CTI-CLI - Autoria de capítulos de livros internacionais

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