Refractive index effect in the lattice geometry of photonic crystals generated by multi-exposure interference patterns

被引:2
作者
Menezes, J. W. [1 ,2 ]
de Carvalho, E. J. [1 ]
Braga, E. S. [1 ]
Cescato, L. [2 ]
机构
[1] Univ Estadual Campinas, Fac Engn Eletr & Comp, BR-13081970 Campinas, SP, Brazil
[2] Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil
来源
JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2009年 / 11卷 / 07期
基金
巴西圣保罗研究基金会;
关键词
holography; structured photonic materials; photonic crystals; HOLOGRAPHIC LITHOGRAPHY; BAND-GAP; FABRICATION; TEMPLATES; DESIGN;
D O I
10.1088/1464-4258/11/7/075103
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Different types of 2D and 3D photonic crystal lattices may be recorded using the multi-exposure of dual beam interference patterns by varying the number of exposures and the rotation angles of the sample between the exposures. The lattice geometry of the photonic crystal is a crucial parameter for the appearance of photonic band gaps. In this paper we show both theoretically and experimentally that for certain types of structure the lattice geometry of the superimposed interference pattern, inside the photosensitive material, changes drastically due to light refraction.
引用
收藏
页数:6
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