Design of optical cloaks and illusion devices along a circumferential direction in curvilinear coordinates

Tungyang Chen, Shang Ru Yu

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We propose a cloaking and illusion device of circumferential topology based on the concept of transformation optics. The device is capable to cloak an object and/or simultaneously generate illusion images along a circumferential direction in curvilinear orthogonal coordinates. This feature allows us to construct multiple illusions in different ways, irrespective of the profile and direction of incident wave. Particularly when the device is served as a building brick of a larger device, one can generate a circumferential array of illusions in a periodic or any preferred pattern. We demonstrate the effectiveness of the proposed illusion devices by carrying out full wave simulations based on finite element calculations.

Original languageEnglish
Article number093106
JournalJournal of Applied Physics
Volume108
Issue number9
DOIs
Publication statusPublished - 2010 Nov 1

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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