Influences of Focusing Conditions on Dynamics of Laser Ablation at a Solid--Liquid Interface
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概要
- 論文の詳細を見る
Influences of focusing conditions relative to a sample surface on shock processes in under-liquid laser-induced ablation were studied using a custom-designed time-resolved photoelasticity imaging technique. A nanosecond laser pulse was focused onto the surface of epoxy-resin blocks immersed in liquids. When the surface was located close to the focal point, the breakdown that occurred on the solid--liquid interface resulted in reduced laser-induced stress. At positions above the focal point, the stress-wave intensity was mainly determined by laser pulse energy, but not by fluence. Impurities in liquids initiated breakdowns at multiple sites along the light path and reduced stress-wave intensity.
- 2013-12-25
著者
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Ito Yoshiro
Department Of Applied Chemistry School Of Engineering Nagoya University
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Tanabe Rie
Department Of Mechanical Engineering Nagaoka University Of Technology
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Ito Yoshiro
Department of Mechanical Engineering, Nagaoka University of Technology, Nagaoka, Niigata 940-2188, Japan
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Nguyen Thao
Department of Mechanical Engineering, Nagaoka University of Technology, Nagaoka, Niigata 940-2188, Japan
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