Processing of metals by double pulses with short laser pulses

被引：35
|
作者：
Le Harzic, R
Breitling, D
Sommer, S
Föhl, C
König, K
Dausinger, F
Audouard, E
机构：
[1] JenLab GmbH, D-07745 Jena, Germany
[2] Univ Stuttgart, Inst Strahlwerkzeuge, D-70569 Stuttgart, Germany
[3] Forschungsgesellsch Strahlwerkzeuge mbH, FGSW, D-70569 Stuttgart, Germany
[4] Fraunhofer Inst Biomed Technol, IBMT, D-66386 St Ingbert, Germany
[5] CNRS, UMR 5516, Lab Traitement Signal & Instrumentat, F-42000 St Etienne, France
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2005年 / 81卷 / 06期
关键词：
D O I：
10.1007/s00339-005-3307-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Experimental results related to the influence of time delayed pulses for ablation efficiency with short multi pulses (pulse duration of 5 ps) are reported. A significant improvement of the micro structuring quality at relatively high fluence regime in metals is obtained. Less removed or recast matter is observed and the processed surface appears to be smoother with better roughness. Ablation depths and burr heights are compared for single pulses and double pulses in steel, Al and Cu as a function of scans number. Best results are obtained for weak time delays, typically less than 1 ps.
引用
收藏
页码：1121 / 1125
页数：5
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