Imaging of Ablation Dynamics by Soft X-Ray Laser
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- TOMITA Takuro
- Faculty of Engineering, The University of Tokushima
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- HASEGAWA Noboru
- Quantum Beam Science Directorate, Japan Atomic Energy Agency
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- NISHIKINO Masaharu
- Quantum Beam Science Directorate, Japan Atomic Energy Agency
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- KAWACHI Tetsuya
- Quantum Beam Science Directorate, Japan Atomic Energy Agency
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- SUEMOTO Tohru
- Institute for Solid State Physics, The University of Tokyo
Bibliographic Information
- Other Title
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- 軟X線レーザープローブによるアブレーションダイナミクスのイメージング
- ナンXセン レーザープローブ ニ ヨル アブレーションダイナミクス ノ イメージング
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Abstract
A single-shot soft x-ray laser pulse was used as a probe to investigate the early stage of the laser ablation process on platinum caused by the femtosecond near-infrared pump pulse. From time-resolved interferometry, we observed the dilation of the ablation front on a scale of 10 nm in the picosecond region. In the refl ective imaging, we found three distinct types of dynamical responses, depending on the radial position in the pump beam spot. These characteristic behaviors correspond to different laser fluence and were attributed to different ablation schemes: spallation, homogeneous nucleation, and fragmentation/vaporization, which have been predicted from molecular dynamics simulation.
Journal
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- The Review of Laser Engineering
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The Review of Laser Engineering 40 (8), 592-, 2012
The Laser Society of Japan
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Details 詳細情報について
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- CRID
- 1390566775156158848
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- NII Article ID
- 10030926177
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- NII Book ID
- AN00255326
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- ISSN
- 13496603
- 03870200
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- NDL BIB ID
- 023945913
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed
