Laser-induced modification of bulk fused silica by femtosecond pulses

被引：15

作者：

Kononenko, V. V. ^{[1
]}

Pashinin, V. P. ^{[1
]}

Komlenok, M. S. ^{[1
]}

Konov, V. I. ^{[1
]}

机构：

[1] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow 119991, Russia

来源：

LASER PHYSICS | 2009年 / 19卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

WRITING WAVE-GUIDES; GLASS; DENSIFICATION; FABRICATION;

D O I：

10.1134/S1054660X0906019X

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The features of the local nondestructive modifications of the bulk fused silica are experimentally studied. A method for the measurement of the refractive index in a transparent sample irradiated with femtosecond laser pulses is developed. The accuracy of the refractive-index measurements achieves about 10(-5), and a spatial resolution is several microns. The quantitative data on the dynamics of the permanent modification of glass as a function of the radiation energy are obtained for the first time. The spatial localization of the modified area that is predominantly determined by the laser-beam divergence is analyzed. The femtosecond interferometry is used to investigate the laser-pulse propagation in amorphous silica.

引用

页码：1294 / 1299

页数：6

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