Frequency dependence and passive drains in fish-eye lenses

O. Quevedo-Teruel, R. C. Mitchell-Thomas, and Y. Hao
Phys. Rev. A 86, 053817 – Published 16 November 2012

Abstract

The Maxwell fish eye lens has previously been reported as being capable of the much sought after phenomenon of subwavelength imaging. The inclusion of a drain in this system is considered crucial to the imaging ability, although its role is the topic of much debate. This paper provides a numerical investigation into a practical implementation of a drain in such systems, and analyzes the strong frequency dependence of both the Maxwell fish eye lens and an alternative, the Miñano lens. The imaging capability of these types of lens is questioned, and it is supported by simulations involving various configurations of drain arrays. Finally, a discussion of the near-field and evanescent wave contribution is given.

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  • Received 5 September 2012

DOI:https://doi.org/10.1103/PhysRevA.86.053817

©2012 American Physical Society

Authors & Affiliations

O. Quevedo-Teruel, R. C. Mitchell-Thomas, and Y. Hao

  • School of Electronic Engineering and Computer Science, Queen Mary University of London, London E1 4NS, England, United Kingdom

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Issue

Vol. 86, Iss. 5 — November 2012

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