Optical characterization of natural and synthetic opals by Bragg reflection spectroscopy

被引：10

作者：

Kavtreva, O. A. ^{[1
]}

Ankudinov, A. V. ^{[1
]}

Bazhenova, A. G. ^{[1
]}

Kumzerov, Yu. A. ^{[1
]}

Limonov, M. F. ^{[1
]}

Samusev, K. B. ^{[1
]}

Sel'kin, A. V. ^{[1
]}

机构：

[1] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia

来源：

PHYSICS OF THE SOLID STATE | 2007年 / 49卷 / 04期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1134/S106378340704018X

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The Bragg reflection of light from natural and synthetic opals was studied experimentally, and the samples were characterized by atomic-force microscopy. The reflection spectra were theoretically calculated within the model of a planar, periodically layered medium. A comparison of the experimental and calculated data made it possible to determine the parameters of the crystal structure of synthetic opals (lattice constants and sintering coefficients of a-SiO2 particles). It was concluded that the pores in the structure of natural opals are filled by a material with a refractive index close to that of a-SiO2.

引用

页码：708 / 714

页数：7

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A. V. Ankudinov
A. G. Bazhenova
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M. F. Limonov
K. B. Samusev
A. V. Sel’kin
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