Controlling Electromagnetic Fields
J. B. Pendry, D. Schurig, D. R. Smith
TL;DR
This paper demonstrates how metamaterials can be designed to control and redirect electromagnetic fields, enabling applications like cloaking and advanced lens design.
Contribution
It introduces a novel design strategy for metamaterials to manipulate electromagnetic fields in a consistent and controlled manner.
Findings
Electromagnetic fields can be redirected using metamaterials.
A method for cloaking a volume from electromagnetic detection is proposed.
The approach is relevant for exotic lens and cloaking device design.
Abstract
Using the freedom of design which metamaterials provide, we show how electromagnetic fields can be redirected at will and propose a design strategy. The conserved fields: electric displacement field, D, magnetic induction field, B, and Poynting vector, S, are all displaced in a consistent manner. A simple illustration is given of the cloaking of a proscribed volume of space to exclude completely all electromagnetic fields. Our work has relevance to exotic lens design and to the cloaking of objects from electromagnetic fields
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