Efficient picosecond laser ablation of copper cylinders

被引：16

作者：

Gaidys, M. ^{[1
]}

Zemaitis, A. ^{[1
]}

Gecys, P. ^{[1
]}

Gedvilas, M. ^{[1
]}

机构：

[1] Ctr Phys Sci & Technol, Dept Laser Technol, Savanoriu Ave 231, LT-02300 Vilnius, Lithuania

来源：

APPLIED SURFACE SCIENCE | 2019年 / 483卷

关键词：

Efficient ablation; Optimisation; Cylindrical samples; Texturing; Ablation rate; Copper; MATERIAL REMOVAL RATE; PULSE DURATION; MICROFABRICATION; OPTIMIZATION; FEMTOSECOND; FABRICATION; QUALITY;

D O I：

10.1016/j.apsusc.2019.04.002

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Machining using ultrashort laser pulses is vastly used in science, technology and medicine. However, how to use the expensive laser irradiation efficiently is an important and still open question. To find the highest ablation efficiency, laser processing parameters, such as: pulse repetition rate and fluence have to be optimised. Moreover, forming two-and-a-half-dimensional (2.5D) structures on curved surfaces is in high interest because of the applicability of bio-inspired functional surface mimicking. In this work, experiments were carried out to find the highest ablation efficiency by machining cylindrical copper samples at different pulse energies and repetition rates. Optimal parameters were used for blade-riblet structuring on a cylindrical copper sample. The calculated ablation efficiency corresponds well with the commonly known theoretical model and deviations were explained.

引用

页码：962 / 966

页数：5

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