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Acta Optica Sinica, Volume. 44, Issue 21, 2132003(2024)

Femtosecond Chirped-Probe-Pulse Coherent Anti-Stokes Raman Scattering for Thermometry in Dynamic Combustion Fields

Hui Ge1, Sheng Yun1, Yuan Zhang1,2, Kaiyuan Song1, Wei Wang1, Sheng Zhang1,2, and Yuanqin Xia1,2、*
Author Affiliations
  • 1Hebei Key Laboratory of Advanced Laser Technology and Equipment, Center for Advanced Laser Technology, School of Electronic and Information Engineering, Hebei University of Technology, Tianjin 300401, China
  • 2National Key Laboratory of Science and Technology on Tunable Laser, School of Astronautics, Harbin Institute of Technology, Harbin 150080, Heilongjiang , China
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    References (27)
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    Figures & Tables(12)
    Influences of chirp parameters A on the electric field of laser pulses in the frequency domain, with the coefficient B fixed at -45000. (a) A=-10000; (b) A=-15000; (c) A=-20000; (d) A=-25000; (e) A=-30000; (f) A=-35000

    Fig. 1. Influences of chirp parameters A on the electric field of laser pulses in the frequency domain, with the coefficient B fixed at -45000. (a) A=-10000; (b) A=-15000; (c) A=-20000; (d) A=-25000; (e) A=-30000; (f) A=-35000

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    Influence of chirp parameters B on the electric field of laser pulses in the frequency domain, with the coefficient A fixed at -45000. (a) B=-10000; (b) B=-20000; (c) B=-30000; (d) B=-40000; (e) B=-50000; (f) B=-60000

    Fig. 2. Influence of chirp parameters B on the electric field of laser pulses in the frequency domain, with the coefficient A fixed at -45000. (a) B=-10000; (b) B=-20000; (c) B=-30000; (d) B=-40000; (e) B=-50000; (f) B=-60000

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    Signal resonant/non-resonant electric field simulation. (a)(c) Electric field models of time-domain CARS signals with resonance/non-resonance ratios of 1 and 5, respectively; (b)(d) electric field models of CARS signals with resonance/non-resonance ratios of 1 and 5, respectively

    Fig. 3. Signal resonant/non-resonant electric field simulation. (a)(c) Electric field models of time-domain CARS signals with resonance/non-resonance ratios of 1 and 5, respectively; (b)(d) electric field models of CARS signals with resonance/non-resonance ratios of 1 and 5, respectively

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    Schematic diagram of the fs CPP CARS system

    Fig. 4. Schematic diagram of the fs CPP CARS system

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    Butane Bunsen lamp flame

    Fig. 5. Butane Bunsen lamp flame

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    Plots of CARS signals for different pump light energies. (a) Pump optical power of 10 mW; (b) pump optical power of 20 mW; (c) pump optical power of 30 mW; (d) pump optical power of 40 mW

    Fig. 6. Plots of CARS signals for different pump light energies. (a) Pump optical power of 10 mW; (b) pump optical power of 20 mW; (c) pump optical power of 30 mW; (d) pump optical power of 40 mW

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    Time-resolved CARS spectral fitting results of 0.01 s

    Fig. 7. Time-resolved CARS spectral fitting results of 0.01 s

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    Temperature fitting results of flame of butane Bunsen lamp with a time resolution of 0.1 s. (a) Spectral plot of a point above the axis of the flame; (b) spectral plot of a point in the middle of the flame axis; (c) spectral plot of a point below the flame axis; (d) standard deviation of the fitting temperature of the three positions

    Fig. 8. Temperature fitting results of flame of butane Bunsen lamp with a time resolution of 0.1 s. (a) Spectral plot of a point above the axis of the flame; (b) spectral plot of a point in the middle of the flame axis; (c) spectral plot of a point below the flame axis; (d) standard deviation of the fitting temperature of the three positions

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    Temperature fitting results of flame of butane Bunsen lamp with a time resolution of 0.001 s. (a) Spectral plot of a point above the axis of the flame; (b) spectral plot of a point in the middle of the flame axis; (c) spectral plot of a point below the flame axis; (d) standard deviation of the fitting temperature of the three positions

    Fig. 9. Temperature fitting results of flame of butane Bunsen lamp with a time resolution of 0.001 s. (a) Spectral plot of a point above the axis of the flame; (b) spectral plot of a point in the middle of the flame axis; (c) spectral plot of a point below the flame axis; (d) standard deviation of the fitting temperature of the three positions

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    Temperature curves of butane Bunsen burner flame outer flame and inner flame over time. (a) Temperature curves of butane Bunsen burner flame outer flame; (b) temperature curves of butane Bunsen burner flame inner flame over time

    Fig. 10. Temperature curves of butane Bunsen burner flame outer flame and inner flame over time. (a) Temperature curves of butane Bunsen burner flame outer flame; (b) temperature curves of butane Bunsen burner flame inner flame over time

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    • Table 1. 100 groups of continuous fitting temperature statistics at 0.1 s time resolution

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      Table 1. 100 groups of continuous fitting temperature statistics at 0.1 s time resolution

      Gas temperature /KBest-fit temperature /KStandard deviation /%Precision /%Accuracy /%
      14111432181.271.49
      13911404151.080.93
      1385139690.660.79

    • Table 2. 100 groups of continuous fitting temperature statistics at 0.001 s time resolution

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      Table 2. 100 groups of continuous fitting temperature statistics at 0.001 s time resolution

      Gas temperature /KBest-fit temperature /KStandard deviation /%Precision /%Accuracy /%
      14111432211.51.5
      13911416181.31.8
      13851403141.01.3
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    Hui Ge, Sheng Yun, Yuan Zhang, Kaiyuan Song, Wei Wang, Sheng Zhang, Yuanqin Xia. Femtosecond Chirped-Probe-Pulse Coherent Anti-Stokes Raman Scattering for Thermometry in Dynamic Combustion Fields[J]. Acta Optica Sinica, 2024, 44(21): 2132003

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    Paper Information

    Category: Ultrafast Optics

    Received: May. 31, 2024

    Accepted: Jul. 11, 2024

    Published Online: Nov. 19, 2024

    The Author Email: Yuanqin Xia (xiayq@hebut.edu.cn)

    DOI:10.3788/AOS241118

    CSTR:32393.14.AOS241118

    Topics

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