Negative refraction in the visible range in water-infiltrated opal photonic crystals

被引：0
|
作者：
V. S. Gorelik
V. V. Shchavlev
机构：
[1] Russian Academy of Sciences,Lebedev Institute of Physics
[2] Moscow Institute of Physics and Technology,undefined
来源：
Inorganic Materials | 2012年 / 48卷
关键词：
Photonic Crystal; Visible Range; Effective Refractive Index; Negative Refraction; Sphere Diameter;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A negative refraction effect has been found in opal photonic crystals in the visible range. We have calculated the dispersion branches of a photonic crystal and determined the position of its photonic band gap. The frequency range has been identified where the refractive index of the opal is negative. An experimental arrangement is proposed for focusing a light beam by passing it through a plane-parallel opal photonic crystal and experimental evidence is presented in favor of negative refraction in the visible range.
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页码：476 / 479
页数：3
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