Broadband graded index Gutman lens with a wide field of view utilizing artificial dielectrics: A design methodology

Petros Bantavis; Cebrian Garcia Gonzalez; Ronan Sauleau; George Goussetis; Ségolène Tubau; Hervé Legay

doi:10.1364/OE.389887

Broadband graded index Gutman lens with a wide field of view utilizing artificial dielectrics: A design methodology

Petros Bantavis^*, Cebrian Garcia Gonzalez, Ronan Sauleau, George Goussetis, Ségolène Tubau, Hervé Legay

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

A novel all-metal graded index Gutman lens is proposed. It exploits an interleaved metasurface unit-cell with glide symmetry that can provide high values of equivalent refractive index with low frequency dispersion. The result is a compact lens with broadband performance and a wide field of view up to ±70^°. The proposed lens exhibits low loss, directive beams and is an appealing candidate for space applications. The design approach introduced can be applied to other graded index lenses with circular symmetry using rectangular or circular periodic structures.

Original language	English
Pages (from-to)	14648-14661
Number of pages	14
Journal	Optics Express
Volume	28
Issue number	10
Early online date	29 Apr 2020
DOIs	https://doi.org/10.1364/OE.389887
Publication status	Published - 11 May 2020

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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Broadband graded index Gutman lens with a wide field of view utilizing artificial dielectrics: A design methodology

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