| 光谱学与光谱分析 |
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| Influence Factors Analysis for Laser-Induced Plasma Spectroscopy Measurements |
| LI Jing1, LIN Chang-he1, LI Sheng-li2 |
1. Photo-Electric Lab, Department of Precision Machinery and Precision Instrument, University of Science and Technology of China, Hefei 230027, China
2. Department of Biomedicine Engineering, Jinan University, Guangzhou 510632, China |
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Abstract An experimental equipment has been set up for laser-induced plasma spectroscopic(LIPS) measurement based on a Nd:YAG Q-switched solid laser(average single pulse energy is 38 mJ) as exciting light source and the copper alloy as sample. The instrument time distribution of Cu radiation was obtained, and the software and hardware influence factors on the measured spectra were analyzed. The experiments proved that the fluctuation of laser output energy, average number of each datum, the position between the target surface and the lens focus, the position between the optical fiber bundle for receiving the radiation and the normal of the target surface, and the effective receiving area of the optical fiber bundle all influence the intensity of spectra and the reproducibility of measurement.
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Received: 2004-11-03
Accepted: 2005-02-02
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Corresponding Authors:
LI Jing
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| Cite this article: |
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LI Jing,LIN Chang-he,LI Sheng-li. Influence Factors Analysis for Laser-Induced Plasma Spectroscopy Measurements [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(12): 1905-1907.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2005/V25/I12/1905 |
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