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
收藏
页码：1294 / 1299
页数：6
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