Comment on: 'Wide incidence angle and polarization insensitive dual broad-band metamaterial absorber based on concentric split and continuous rings resonator structure'

Akhlesh Lakhtakia; Somak Bhattacharyya; Sambit Kumar Ghosh

doi:10.1088/2053-1591/ab2220

Comment on: 'Wide incidence angle and polarization insensitive dual broad-band metamaterial absorber based on concentric split and continuous rings resonator structure'

Akhlesh Lakhtakia, Somak Bhattacharyya, Sambit Kumar Ghosh

Research output: Contribution to journal › Review article › peer-review

9 Scopus citations

Abstract

The subject paper (Agrawal et al 2018 Mater. Res. Express 5, 115801) contains the incorrect assertion that both the effective relative permittivity and the effective relative permeability of an absorbing planar metamaterial structure can be purely real. The claim in the same paper that an optimized metamaterial structure is a broad-band absorber is also incorrect; instead, it is a broad-band linear-polarization converter.

Original language	English (US)
Article number	088002
Journal	Materials Research Express
Volume	6
Issue number	8
DOIs	https://doi.org/10.1088/2053-1591/ab2220
State	Published - May 22 2019

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Biomaterials
Surfaces, Coatings and Films
Polymers and Plastics
Metals and Alloys

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10.1088/2053-1591/ab2220

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abstract = "The subject paper (Agrawal et al 2018 Mater. Res. Express 5, 115801) contains the incorrect assertion that both the effective relative permittivity and the effective relative permeability of an absorbing planar metamaterial structure can be purely real. The claim in the same paper that an optimized metamaterial structure is a broad-band absorber is also incorrect; instead, it is a broad-band linear-polarization converter.",

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Comment on: 'Wide incidence angle and polarization insensitive dual broad-band metamaterial absorber based on concentric split and continuous rings resonator structure'. / Lakhtakia, Akhlesh; Bhattacharyya, Somak; Ghosh, Sambit Kumar.
In: Materials Research Express, Vol. 6, No. 8, 088002, 22.05.2019.

Research output: Contribution to journal › Review article › peer-review

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AU - Bhattacharyya, Somak

AU - Ghosh, Sambit Kumar

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AB - The subject paper (Agrawal et al 2018 Mater. Res. Express 5, 115801) contains the incorrect assertion that both the effective relative permittivity and the effective relative permeability of an absorbing planar metamaterial structure can be purely real. The claim in the same paper that an optimized metamaterial structure is a broad-band absorber is also incorrect; instead, it is a broad-band linear-polarization converter.

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Comment on: 'Wide incidence angle and polarization insensitive dual broad-band metamaterial absorber based on concentric split and continuous rings resonator structure'

Abstract

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