Femtosecond lasers enable materials processing with their notably characteristics, such as precision, high peak density, flexible, and minor thermal affected zone. Applications ranging from high precision micromachining to biological manipulation with no thermal damages are possibly executed via this technology. In this study, the three-dimensional molecular dynamics simulation associated with the parallel computation were utilized to explore the ablation mechanism, the trend between the femtosecond laser fluence density and laser ablation depth as well as affected zone. In addition, we also compared the ablation methods which were single ablation and superposited ablation machining processes. Moreover, the heat-affected zone effect was discussed. Ultimately, a femtosecond laser ablation manufacturing process simulation was implemented by the combination of laser fluence densities to demonstrate the feasibility of fabricating the metallic gratings.
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ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis
July 12–14, 2010
Istanbul, Turkey
Conference Sponsors:
- International
ISBN:
978-0-7918-4919-4
PROCEEDINGS PAPER
Fabrication of Metallic Wire Grating by Femtosecond Laser Ablation: A Molecular Dynamics Simulation Study
Ming-Chieh Cheng,
Ming-Chieh Cheng
National Tsing Hua University, Hsinchu, Taiwan
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Cheng-Kuo Sung
Cheng-Kuo Sung
National Tsing Hua University, Hsinchu, Taiwan
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Ming-Chieh Cheng
National Tsing Hua University, Hsinchu, Taiwan
Cheng-Kuo Sung
National Tsing Hua University, Hsinchu, Taiwan
Paper No:
ESDA2010-24334, pp. 557-563; 7 pages
Published Online:
December 28, 2010
Citation
Cheng, M, & Sung, C. "Fabrication of Metallic Wire Grating by Femtosecond Laser Ablation: A Molecular Dynamics Simulation Study." Proceedings of the ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 5. Istanbul, Turkey. July 12–14, 2010. pp. 557-563. ASME. https://doi.org/10.1115/ESDA2010-24334
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