State-of-Technology Update On GRIN/Luneburg Dielectric Lenses/Antennas for Microwave/mmWave Applications

GRIN dielectric lenses/antennas have been a hot topic of research for virtually every microwave/mmWave application, from military/defense, aerospace/space, to commercial telecommunications. There have even been several companies, products, and government/DoD grants using GRIN dielectric lens/antenna technology. This article provides some discussion around recent research (since 2018) on GRIN dielectric lenses/antennas, and an overview of GRIN dielectric lenses/antennas being deployed or intended for practical use.

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