Spectroscopic Measurements of Solids Immersed in Water at High Pressure Using a Long-Duration Nanosecond Laser Pulse

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概要

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• The effects of pressure on the emission lines of a submerged metallic plate irradiated by a long 150 ns duration laser pulse have been investigated. While spectroscopic measurements using multiple-pulse irradiation of submerged targets are sensitive to pressure, the interactions of a long-pulse occur during a time window where the properties of the laser pulse dominate the transient pressures surrounding the ablated region. The emission lines are not sensitive to external pressures of up to 30 MPa, and the results demonstrate that long-pulse ablation is available as an analytical technique to study solids immersed at high pressure.

• 2013-08-25

著者

• SAKKA Tetsuo

  Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University

• THORNTON Blair

  Underwater Technology Research Center, Institute of Industrial Science, The University of Tokyo

• TAKAHASHI Tomoko

  Underwater Technology Research Center, Institute of Industrial Science, The University of Tokyo

• Takahashi Tomoko

  Underwater Technology Research Center, Institute of Industrial Science, The University of Tokyo, Meguro, Tokyo 153-8505, Japan

• Tamura Ayaka

  Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan

• Masamura Tatsuya

  Underwater Technology Research Center, Institute of Industrial Science, The University of Tokyo, Meguro, Tokyo 153-8505, Japan

• Matsumoto Ayumu

  Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan

• Sakka Tetsuo

  Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan

関連論文

• Effects of Pressure on the Optical Emissions Observed from Solids Immersed in Water Using a Single Pulse Laser
• Cavity Formation and Material Ablation for Single-Pulse Laser-Ablated Solids Immersed in Water at High Pressure
• Spectroscopic Measurements of Solids Immersed in Water at High Pressure Using a Long-Duration Nanosecond Laser Pulse

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