| 光谱学与光谱分析 |
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| Effects of Argon Atmosphere at High Pressure on Electron Temperature of Laser-Induced Cu Plasmas |
| CHEN Jin-zhong, SHI Jin-chao, GUO Qing-lin, HUAI Su-fang, WEI Yan-hong |
| College of Physics Science and Technolopy, Hebei University, Baoding 071002, China |
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Abstract Copper plasma was induced with a high energy neodymium glass laser(0-25J) beam ablating the Cu target in argon atmosphere. It was observed that the line intensity of the emission spectra increases when the ambient pressure(0.1-0.5 MPa) rises. In order to study the enhancement mechanism, with the model of local thermodynamic equilibrium, the electron temperature was measured in argon atmosphere. The experimental results showed that electron temperature increases as the pressure rises. In addition, spatially resolved electron temperature was measured in Ar atmosphere at 0.1, 0.3, 0.5 MPa.
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Received: 2005-12-22
Accepted: 2006-04-15
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Corresponding Authors:
CHEN Jin-zhong
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| Cite this article: |
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CHEN Jin-zhong,SHI Jin-chao,GUO Qing-lin, et al. Effects of Argon Atmosphere at High Pressure on Electron Temperature of Laser-Induced Cu Plasmas[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(06): 1047-1050.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2007/V27/I06/1047 |
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