A broadband perfect field rotator

Abstract

In this letter, we design a perfect field rotator that is by itself invisible and can rotate the electromagnetic (EM) wave front. The device here is designed for a dielectric background and is composed of merely an inner core with the same dielectric and an array of metal plates embedded in the air. Its broadband functionality is also numerically demonstrated.

Keywords

transformation optics / field rotator

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2014 Higher Education Press and Springer-Verlag Berlin Heidelberg