Estimation of Laser-Induced Breakdown Threshold of Micropartieles in Water
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概要
- 論文の詳細を見る
Laser-induced breakdown of microparticles in ultrapure water was studied using a focused pulse laser of 532 nm wavelength. The transient acoustic signal generated by breakdown was detected on a nanosecond time scale using a fast-response polymer transducer. The temporal distribution of the acoustic pulses depends on not only the breakdown threshold of particles but also the spatial energy distribution of the laser beam around the focal point. The laser breakdown thresholds of various particles were estimated by analyzing the temporal distribution of the acoustic pulses. The breakdown threshold was higher in the order of silica, polystyrene, magnetite and gold particles.
- 社団法人応用物理学会の論文
- 1998-04-15
著者
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SAITO Mitsunori
Department of Electronics and Informatics, Ryukoku University
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IZUMIDA Shin-ya
Department of Electronics and Informatics, Ryukoku University
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Izumida Shin-ya
Department Of Electronics And Informatics Ryukoku University
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Saito Mitsunori
Department Of Electronics And Informatics Ryukoku University
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Saito Mitsunori
Department Of Electrical Communications Tohoku University
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ONISHI Kin-ya
Department of Electronics and Informatics, Ryukoku University
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Onishi K
National Inst. For Materials Sci. Ibaraki Jpn
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