Photonic band structure of three-dimensional colloidal crystals with field-induced lattice structure transformation

被引：9

作者：

Zhang Li-Feng

Huang Ji-Ping ^{[1
]}

机构：

[1] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China

来源：

CHINESE PHYSICS B | 2010年 / 19卷 / 02期

基金：

中国国家自然科学基金;

关键词：

photonic crystals; electrorheological effects; band gaps;

D O I：

10.1088/1674-1056/19/2/024213

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

By utilizing the electrorheological effect, three-dimensional colloidal crystals can be produced, whose lattice structure can be changed from the body-centered-tetragonal lattice to other lattices under the application of electric fields. This paper calculates photonic band structures of such crystals with lattice structure transformation, and demonstrates the existence of complete band gaps for some intermediate lattices. Thus, it becomes possible to use the electrorheological effect to achieve photonic crystals with desired photonic gap properties resulting from tunable structures.

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页数：4

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