完美无反射全向吸收体与电磁视界
光学
2016-02-11 v4
摘要
我们展示了描述完美无反射全向电磁吸收体(PR-OEMA)的超材料蓝图的存在性，以及其基本限制。先前定义PR-OEMA蓝图的尝试导致了有源(增益)介质而非无源介质。我们解释了这一事实，并揭示了真正PR-OEMA器件的新且独特的限制，包括物理解上出现的“电磁视界”。作为实用替代方案，我们引入了替代的OEMA蓝图，对应那些虽然不无反射，但在吸收入射波方面有效且对入射波多样性具有鲁棒性的介质。
引用
@article{arxiv.1405.6413,
title = {Perfectly Reflectionless Omnidirectional Absorbers and Electromagnetic Horizons},
author = {Kamalesh Sainath and Fernando L. Teixeira},
journal= {arXiv preprint arXiv:1405.6413},
year = {2016}
}
备注
The published version of this manuscript, along with copyright information, can be found using this URL: http://dx.doi.org/10.1364/JOSAB.32.001645. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited