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Chinese Optics Letters, Volume. 18, Issue 8, 083001(2020)

Periphery excitation of laser-induced CN fluorescence in plasma using laser-induced breakdown spectroscopy for carbon detection

Nan Zhao1,2, Jiaming Li1,2,3、*, Qiongxiong Ma1,2,3, Liang Guo1,2,3, and Qingmao Zhang1,2,3
Author Affiliations
  • 1Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, South China Normal University, Guangzhou 510631, China
  • 2Guangzhou Key Laboratory for Special Fiber Photonic Devices, South China Normal University, Guangzhou 510631, China
  • 3Guangdong Provincial Key Laboratory of Industrial Ultrashort Pulse Laser Technology, Shenzhen 518055, China
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    Experimental setup in this work.

    Fig. 1. Experimental setup in this work.

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    Relative population and its first derivative of CN radicals in X2Σ+.

    Fig. 2. Relative population and its first derivative of CN radicals in X2Σ+.

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    Spectra of the B2Σ+−X2Σ+ (0, 0) transition acquired by LIBS (black line) and LIBS-LIF (red line).

    Fig. 3. Spectra of the B2Σ+−X2Σ+ (0, 0) transition acquired by LIBS (black line) and LIBS-LIF (red line).

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    Process of laser-induced CN fluorescence in LIBS: (a) ablation, (b) atomization, (c) combination, and (d) excitation.

    Fig. 4. Process of laser-induced CN fluorescence in LIBS: (a) ablation, (b) atomization, (c) combination, and (d) excitation.

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    Self-defined XY coordinate system on the plasma.

    Fig. 5. Self-defined XY coordinate system on the plasma.

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    Intensity map of CN B2Σ+−X2Σ+ (0, 0) 388.34 nm with different excitation points at the plasma.

    Fig. 6. Intensity map of CN B2Σ+−X2Σ+ (0, 0) 388.34 nm with different excitation points at the plasma.

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    Nan Zhao, Jiaming Li, Qiongxiong Ma, Liang Guo, Qingmao Zhang, "Periphery excitation of laser-induced CN fluorescence in plasma using laser-induced breakdown spectroscopy for carbon detection," Chin. Opt. Lett. 18, 083001 (2020)

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    Paper Information

    Category: Spectroscopy

    Received: May. 9, 2020

    Accepted: Jun. 10, 2020

    Posted: Jun. 10, 2020

    Published Online: Jul. 10, 2020

    The Author Email: Jiaming Li (jmli@m.scnu.edu.cn)

    DOI:10.3788/COL202018.083001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology