Impact of liquid environment on femtosecond laser ablation

被引：24

作者：

Kanitz, A. ^{[1
]}

Hoppius, J. S. ^{[1
]}

Fiebrandt, M. ^{[2
]}

Awakowicz, P. ^{[2
]}

Esen, C. ^{[1
]}

Ostendorf, A. ^{[1
]}

Gurevich, E. L. ^{[1
]}

机构：

[1] Ruhr Univ Bochum, Appl Laser Technol, Univ Str 150, D-44801 Bochum, Germany

[2] Ruhr Univ Bochum, Inst Elect Engn & Plasma Technol AEPT, Univ Str 150, D-44801 Bochum, Germany

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2017年 / 123卷 / 11期

关键词：

NONLINEAR REFRACTIVE-INDEX; NANOPARTICLE GENERATION; METAL TARGETS; MOLECULAR-DYNAMICS; CROSS-SECTIONS; GOLD-FILMS; WATER; IRON; EXCITATION; TRANSPORT;

D O I：

10.1007/s00339-017-1280-z

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The ablation rate by femtosecond laser processing of iron in different liquids is investigated for fluences up to 5 J/cm(2). The resulting fluence dependency is modeled by an approach derived from the two-temperature model. In our experiments, the liquid environment strongly affects the effective penetration depth, e.g, the ablation rate in water is almost ten times higher than in toluene. This effect is discussed and introduced phenomenologically into the model. Additional reflectivity measurements and plasma imaging provide improved insight into the ablation process.

引用

页数：7

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