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Design and characterization of a foam-based Mikaelian lens antennas in millimeter waves

Abstract : The design principles and radiation performances of Mikaelian lens antennas are presented. The ways to manufacture gradient index lenses are briefly reviewed. An innovative technique based on the variation of the foam density is described and applied to the Mikaelian lenses. This yields low cost and lightweight gradient index lenses. The focusing properties of Mikaelian lenses are compared numerically to Luneburg lenses. A foam-based planar Mikaelian lens antenna is manufactured and its radiation performances are characterized at 60 GHz. With its flat shape in contact to the primary source, the cylindrical Mikaelian lens turns out to be, for focusing purposes, an interesting alternative to the well-known Luneburg lens
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Submitted on : Wednesday, February 3, 2021 - 2:24:56 PM
Last modification on : Friday, October 22, 2021 - 3:04:10 AM
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2014 July - IJMWT - Design and...
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Jonathan Bor, Benjamin Fuchs, Olivier Lafond, Mohamed Himdi. Design and characterization of a foam-based Mikaelian lens antennas in millimeter waves. International Journal of Microwave and Wireless Technologies, Cambridge University Press/European Microwave Association 2015, 7 (06), pp.769--773. ⟨10.1017/S1759078714001019⟩. ⟨hal-01300896⟩

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