Characteristics of structural changes in fused silica under the effect of femtosecond laser radiation in the heat accumulation regime

被引：0
|
作者：
Bukharin M.A. [1 ,2 ]
Khudyakov D.V. [2 ]
机构：
[1] Moscow Institute of Physics and Technology (MIPT), Dolgoprudnyy, Moscow oblast
[2] OOO Optosistemy, Moscow
来源：
Bulletin of the Russian Academy of Sciences: Physics | 2016年 / 80卷 / 10期
关键词：
D O I：
10.3103/S1062873816100075
中图分类号：
学科分类号：
摘要：
Structural changes induced in fused silica subjected to focused femtosecond laser radiation in the heat accumulation regime are studied. The spatial profile of the induced refractive index and the effect its amplitude has on such effects as the self-focusing of the laser radiation, and thermal and photochemical processes are investigated. Individual contributions from each of these effects are separated and their effect is described on the basis of experimental dependences for the first time. It is also shown that the use of heat accumulation regime substantially increases the induced refractive index, compared to the nonthermal regime. © 2016, Allerton Press, Inc.
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页码：1248 / 1252
页数：4
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