Negative refraction and plano-concave lens focusing in one-dimensional photonic crystals

被引：25

作者：

Vodo, P. ^{[1
]}

Lu, W. T.

Huang, Y.

Sridhar, S.

机构：

[1] Northeastern Univ, Dept Phys, Boston, MA 02115 USA

[2] Northeastern Univ, Elect Mat Res Inst, Boston, MA 02115 USA

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 08期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.2338644

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Negative refraction is demonstrated in one-dimensional (1D) dielectric photonic crystals (PCs) at microwave frequencies. Focusing by plano-concave lens made of 1D PCs due to negative refraction is also demonstrated. The frequency-dependent negative refractive indices, calculated from the experimental data, match very well with those determined from band structure calculations. The easy fabrication of one-dimensional photonic crystals may open the door for future applications. (c) 2006 American Institute of Physics.

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页数：3

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