High-sensitive automatic transient laser-induced breakdown spectroscopy system with high temporal and spatial resolution |
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| Authors: | Liu Qiao-Jun S K Fong rew Y S Cheng Luo Shi-Rong K S Tam Zhu Jian-Hua A Viseu |
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| Institution: | a Department of Physics, Sichuan University, Chengdu 610064, China;b Faculty of Information Technology, Macau University of Science and Technology, Macao Special Administrative Region (SAR), China;c Meteorological and Geophysical Bureau, Macao Special Administrative Region (SAR), China |
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| Abstract: | A high-sensitive automatic transient laser-induced breakdown spectroscopy (LIBS) system is designed and integrated. It successfully avoids the delay time selecting problem in conventional LIBS system, and realizes the LIBS data acquisition with high spatiotemporal resolution automatically. Multiple transient spectra can be obtained in each measurement, which will provide more information for spectral research. The water-vapour and liquid-water Raman scattering spectra are captured by this system, and the comparison of experimental water-vapour Raman scattering spectrum with theoretical data verifies the reliability of the LIBS system. Based on this system, the air laser induced air breakdown spectra are captured and analysed. The system is also useful for the research on water-vapour Raman Lidar remote sensing. |
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| Keywords: | laser-induced breakdown spectroscopy water Raman spectrum water-vapour Raman Lidar |
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