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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