Stop-band structure in complementary three-dimensional opal-based photonic crystals

被引：28

作者：

Romanov, SG ^{[1
]}

Fokin, AV

De La Rue, RM

机构：

[1] Univ Glasgow, Dept Elect & Elect Engn, Optoelect Res Grp, Glasgow G12 8QQ, Lanark, Scotland

[2] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1999年 / 11卷 / 17期

关键词：

D O I：

10.1088/0953-8984/11/17/317

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The stop-band width and angular dispersion have been traced by angle-resolved reflectance spectroscopy for two opposite configurations of opal-based photonic crystals where either the silica balls possess a higher refractive index than the voids or vice versa. It has been demonstrated that filling the empty voids of opal with a material of higher refractive index than silica results in widening of the stop-band and squeezing of its dispersion, thus improving the stop-band of the opal grating towards the omnidirectional photonic band-gap situation.

引用

页码：3593 / 3600

页数：8

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