Journal Article10.1016/J.OPTLASENG.2015.03.017
Laser Beam MicroMachining (LBMM) – A review
Sanjay Mishra,Vinod Yadava +1 more
248
TL;DR: An overview of laser beam micro machining (LBMM) is given in this paper, where the fundamental understanding of ultrafast laser ablation process has been elucidated and various research activities performed with nanosecond, picosecond and femtosecond lasers have been discussed to understand the physical mechanisms and critical experimental parameters involved in the LBMM.
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About: This article is published in Optics and Lasers in Engineering. The article was published on 01 Oct 2015. The article focuses on the topics: Laser ablation & Laser.
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Citations
Surface modeling and component analysis of picosecond laser ablation of CVD diamond
TL;DR: Based on theories of Gaussian pulse beam and picosecond laser ablation material, machined surface morphology model was developed to predict surface roughness Sa and removal depth of CVDD as mentioned in this paper.
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Electrochemical machining for micro holes with high aspect ratio on metal alloys using three-electrode PPS in neutral salt solution
TL;DR: In this paper, a three-electrode pulse power supply (PPS) is designed to acidize on the workpiece/solution interface, for both better machining localization and efficiency.
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A process modeling approach for micro drilling of aerospace alloys with a waterjet guided laser system
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TL;DR: In this paper , the material removal mechanism of WJGL is investigated and a holistic modeling approach is developed including the necessary parameters for drilling of different aerospace materials and hole geometries.
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Comparison of existing laser-induced breakdown thermometry techniques along with a time-resolved breakdown approach.
TL;DR: In this work, a comparison of thermometry techniques using laser-induced breakdown is made and an approach to perform simultaneous gas-phase thermometry on a shot-to-shot basis and spectroscopy is demonstrated by monitoring the moment in time the thermal plasma develops along the intensity gradient of a laser pulse.
17
Plume and Nanoparticle Formation During Laser Ablation
Kurt W. Kolasinski,Mool C. Gupta,Leonid V. Zhigilei +2 more
- 01 Jan 2018
TL;DR: In this paper, the processes that lead to material ejection when a solid sample is irradiated near and above the pulsed laser ablation threshold are discussed, and distinctions between spallation and phase explosion regimes are discussed.
References
Toward a theory of fuzzy information granulation and its centrality in human reasoning and fuzzy logic
TL;DR: M Modes of information granulation (IG) in which the granules are crisp (c-granular) play important roles in a wide variety of methods, approaches and techniques, but this does not reflect the fact that in almost all of human reasoning and concept formation thegranules are fuzzy (f- Granular).
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Laser ablation and micromachining with ultrashort laser pulses
X. Liu,D. Du,Gerard Mourou +2 more
TL;DR: In this paper, the mechanisms of ultrashort-pulse laser ablation of materials are discussed, and the differences to that of long laser pulses are emphasized, and some femtosecond laser pulse micromachining results, including comparison with long pulses, are presented.
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Laser beam machining—A review
Avanish Kumar Dubey,Vinod Yadava +1 more
TL;DR: The experimental and theoretical studies of LBM show that process performance can be improved considerably by proper selection of laser parameters, material parameters and operating parameters, and the trend for future research is outlined.
Micromachining bulk glass by use of femtosecond laser pulses with nanojoule energy
TL;DR: Measurements of the threshold for structural change in Corning 0211 glass are presented as well as a study of the morphology of the structures produced by single and multiple laser pulses.
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Laser ablation for analytical sampling: what can we learn from modeling?
TL;DR: In this paper, the effect of the laser fluence on the target heating, melting and vaporization, and on the plume characteristics and plasma formation is studied, as well as the resulting plasma shielding of 0 q 2q the incoming laser beam.