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Isotropic Backward Waves Supported by a Spiral Array Metasurface

A planar metallic metasurface formed of spiral elements is shown to support an isotropic backward wave over a narrow band of microwave frequencies. The magnetic field of this left-handed mode is mapped experimentally using a near-field scanning technique, allowing the anti-parallel group and phase v...

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Detalles Bibliográficos
Autores principales:	Tremain, Ben, Hooper, Ian R., Sambles, J. Roy, Hibbins, Alastair P.
Formato:	Online Artículo Texto
Lenguaje:	English
Publicado:	Nature Publishing Group UK 2018
Materias:	Article
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5940691/ https://www.ncbi.nlm.nih.gov/pubmed/29740039 http://dx.doi.org/10.1038/s41598-018-25469-7

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