Results 1 to 10 of about 205,872 (218)

The Influence of the Processing Parameters on the Laser-Ablation of Stainless Steel and Brass during the Engraving by Nanosecond Fiber Laser

Nanomaterials, 2022
In this paper, we investigate the influence of the following parameters: pulse duration, pulse repetition rate, line-to-line and pulse-to-pulse overlaps, and scanning strategy on the ablation of AISI 316L steel and CuZn37 brass with a nanosecond, 1064-nm,
Luka Hribar, Peter Gregorčič, Matej Senegačnik, Matija Jezeršek   +3 more
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Ultrafast Mechanism of Material Removal in the Femtosecond Laser Ablation of WS₂ and Its Diode Rectification Characteristics

Crystals, 2023
The study investigates the two different underlying ablation mechanisms of WS2 processed by femtosecond (fs) laser with different fluences. With increasing fluence, the saturable expansion of craters and the transformation of three distinct crater ...
Kai Wang, Zhicheng Chen, Xu Wu, Changji Pan, Feifei Wang, Jiaxing Wang, Ke Zhang, Yang Yang, Jingya Sun   +8 more
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Advances in Femtosecond Laser GHz-Burst Drilling of Glasses: Influence of Burst Shape and Duration

Micromachines, 2023
The femtosecond GHz-burst mode laser processing has attracted much attention in the last few years. Very recently, the first percussion drilling results obtained in glasses using this new regime were reported. In this study, we present our latest results
Pierre Balage, Guillaume Bonamis, Manon Lafargue, Théo Guilberteau, Martin Delaigue, Clemens Hönninger, Jie Qiao, John Lopez, Inka Manek-Hönninger   +8 more
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Ultrafast imaging for uncovering laser–material interaction dynamics

International Journal of Mechanical System Dynamics, 2022
The physical mechanism of the dynamics in laser–material interaction has been an important research area. In addition to theoretical analysis, direct imaging‐based observation of ultrafast dynamic processes is an important approach to understand many ...
Du Wang, Shubin Wei, Xiandan Yuan, Zhiyuan Liu, Yueyun Weng, Yuqi Zhou, Ting‐Hui Xiao, Keisuke Goda, Sheng Liu, Cheng Lei   +9 more
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Comparative Study of Percussion Drilling in Glasses with a Femtosecond Laser in Single Pulse, MHz-Burst, and GHz-Burst Regimes and Optimization of the Hole Aspect Ratio

Micromachines, 2023
In this contribution, we present a comparative study on top-down drilling in sodalime glass, with a femtosecond laser operating in single-pulse, MHz-burst and GHz-burst modes, respectively.
Pierre Balage, Manon Lafargue, Théo Guilberteau, Guillaume Bonamis, Clemens Hönninger, John Lopez, Inka Manek-Hönninger   +6 more
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Theoretical fundamentals of short pulse laser–metal interaction: A review

Nanotechnology and Precision Engineering, 2020
Short and ultrashort pulse lasers offer excellent advantages in laser precision machining mainly because of their high pulse energy and low ablation threshold.
Xinxin Li, Yingchun Guan
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Transient Dynamics Measurement of Light-material Interaction for Laser Optics [PDF]

EPJ Web of Conferences, 2019
Laser damage performance is an important parameter to evaluate the quality of high power laser optical components. Understanding the physical mechanism of the interaction between laser and optical material is of great significance for improving the laser
Liu Zhichao, Geng Feng, Li Yaguo, Zhang Qinghua, Wang Jian, Xu Qiao   +5 more
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Preparation and characterization of coatings with anisotropic thermal conductivity

Materials & Design, 2018
The temperature increase caused by a concentrated heat source can affect the performance of electronic components inside spacecraft. Therefore, the development of an advanced thermal control system is essential for maintaining them in a safe temperature ...
Chen Ma, Zhuang Ma, Lihong Gao, Yanbo Liu, Taotao Wu, Lijun Wang, Chenghua Wei, Fuchi Wang   +7 more
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Liquid jet formation through the interactions of a laser-induced bubble and a gas bubble

AIP Advances, 2017
The mechanisms of the liquid jet formation from the interaction of the laser-induced and gas bubble pair are investigated and compared with the jet formation from the interaction of the laser-induced anti-phase bubble pair.
Bing Han, Liu Liu, Xiong-Tao Zhao, Xiao-Wu Ni   +3 more
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Evaluation of laser beam interaction with carbon based material - glassy carbon [PDF]

Chemical Industry and Chemical Engineering Quarterly, 2015
Laser beam interaction with carbon based material (glassy carbon) is analyzed in this paper. Nd3+:YAG laser beam (1.06μm i.e. near infrared, NIR range) in ms regime with various energy densities is used.
Janićijević Milovan, Srećković Milesa, Kaluđerović Branka, Dinulović Mirko, Karastojković Zoran, Jovanić Predrag, Kovačević Zorica   +6 more
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