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Proceedings Paper

Effective electromagnetic parameters of two-dimensional dielectric photonic crystal within band gap
Author(s): Dongmo Song; Zhixiang Tang; Shuangchun Wen
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Paper Abstract

We have investigated the effective electromagnetic parameters of a two-dimensional photonic crystal even though the wavelength is on the order of its lattice constant. For the photonic crystal within the first band gap, negative effective permittivity or negative effective permeability has been found. Utilizing the Finite-difference time-domain method, a flat slab imaging for TE waves in the near field has been demonstrated for the photonic crystal with effective negative permittivity which is similar to silver superlens for TM waves. Based on these results, we can conclude that photonic crystals in a certain frequency region can indeed mimic not only double-negative but also single-negative metamaterials.

Paper Details

Date Published: 10 September 2010
PDF: 6 pages
Proc. SPIE 7754, Metamaterials: Fundamentals and Applications III, 77542A (10 September 2010); doi: 10.1117/12.860137
Show Author Affiliations
Dongmo Song, Key Lab. for Micro/Nano Optoelectronic Devices, Hunan Univ. (China)
Zhixiang Tang, Key Lab. for Micro/Nano Optoelectronic Devices, Hunan Univ. (China)
Shuangchun Wen, Key Lab. for Micro/Nano Optoelectronic Devices, Hunan Univ. (China)

Published in SPIE Proceedings Vol. 7754:
Metamaterials: Fundamentals and Applications III
Allan D. Boardman; Nader Engheta; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

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