A novel EM concentrator with open-concentrator region based on multi-folded transformation optics

Conventional concentrators with inhomogeneous coating materials that fully enclose the destined region pose great challenges for fabrication. In this paper, we propose to design an EM concentrator with homogeneous materials. Distinguished from conventional ones, the elaborately designed EM concentra...

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Bibliographic Details
Published in:arXiv.org 2018-07
Main Authors: Hamza Ahmad Madni, Hussain, Khurram, Wei Xiang Jiang, Liu, Shuo, Aziz, Asad, Iqbal, Shahid, Mahboob, Athar, Cui, Tie Jun
Format: Article
Language:English
Subjects:
Concentrators
Design
Remote control
Transformations
Online Access:Get full text
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Summary:Conventional concentrators with inhomogeneous coating materials that fully enclose the destined region pose great challenges for fabrication. In this paper, we propose to design an EM concentrator with homogeneous materials. Distinguished from conventional ones, the elaborately designed EM concentrator features a concentrator region that is open to the outer-world, which is achieved with multi-folded transformation optics method by compressing and folding the coating materials to create window(s). Based on this concept, we also investigate open-rotator and open rotational-concentrator devices, which could simultaneously rotate and store the EM waves in the central destined region. Due to the open nature of our proposed designs, we believe they will find potential applications in remote controlling with impressive new functionalities.
ISSN:2331-8422
DOI:10.48550/arxiv.1805.05403