Texturing metal surface with MHz ultra-short laser pulses

被引：58

作者：

Fraggelakis, Fotis ^{[1
,2
]}

Mincuzzi, Girolamo ^{[1
]}

Lopez, John ^{[1
,2
]}

Manek-Honninger, Inka ^{[2
]}

Kling, Rainer ^{[1
]}

机构：

[1] ALPhANOV, Technol Ctr Opt & Lasers, Opt Inst Aquitaine, Rue F Mitterrand, F-33400 Talence, France

[2] CELIA Univ Bordeaux, CNRS, CEA, UMR5107, F-33405 Talence, France

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 15期

关键词：

FEMTOSECOND LASER; ABLATION;

D O I：

10.1364/OE.25.018131

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show, for the first time to our knowledge, the role the heat accumulation plays on the evolution of ultra-short pulse laser-induced surface structures morphology when varying fluence, the number of scans and the repetition rate from 100 kHz up to 2 MHz. We demonstrate how to tailor the size of micro-spikes from nearly ten microns to several tens of microns by a systematic variation of both fluence and overlap. We believe our results will contribute to an in deep understanding of the mechanisms underlying laser surface structuration at high repetition rates. (C) 2017 Optical Society of America

引用

页码：18131 / 18139

页数：9

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