Thermo-elasto-plastic simulations of femtosecond laser-induced multiple-cavity in fused silica

被引：12

作者：

Beuton, R. ^{[1
]}

Chimier, B. ^{[1
]}

Breil, J. ^{[2
]}

Hebert, D. ^{[2
]}

Mishchik, K. ^{[1
,3
]}

Lopez, J. ^{[1
]}

Maire, P. H. ^{[2
]}

Duchateau, G. ^{[1
]}

机构：

[1] Univ Bordeaux, CNRS, UMR 5107, CEA,Ctr Lasers Intenses & Applicat, F-33405 Talence, France

[2] CEA, CESTA, 15 Ave Sablieres,CS 60001, F-33116 Le Barp, France

[3] Amplitude Syst, Pessac, France

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2018年 / 124卷 / 04期

关键词：

BULK SILICA; RIPPLES; SURFACE; PULSE; GLASS;

D O I：

10.1007/s00339-018-1743-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The formation and the interaction of multiple cavities, induced by tightly focused femtosecond laser pulses, are studied using a developed numerical tool, including the thermo-elasto-plastic material response. Simulations are performed in fused silica in cases of one, two, and four spots of laser energy deposition. The relaxation of the heated matter, launching shock waves in the surrounding cold material, leads to cavity formation and emergence of areas where cracks may be induced. Results show that the laser-induced structure shape depends on the energy deposition configuration and demonstrate the potential of the used numerical tool to obtain the desired designed structure or technological process.

引用

页数：10

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