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Related Experiment Video

Updated: Jun 23, 2026

Measurement and Analysis of Atomic Hydrogen and Diatomic Molecular AlO, C2, CN, and TiO Spectra Following Laser-induced Optical Breakdown
09:40

Measurement and Analysis of Atomic Hydrogen and Diatomic Molecular AlO, C2, CN, and TiO Spectra Following Laser-induced Optical Breakdown

Published on: February 14, 2014

Visualization of laser-induced breakdown and ignition.

Y L Chen, J W Lewis

    Optics Express
    |May 8, 2009
    PubMed
    Summary

    Laser ignition of ammonia/oxygen mixtures was studied using a Nd:YAG laser. Spectroscopic methods revealed plasma dynamics and flame development, aiding laser-ignition model verification.

    Area of Science:

    • Plasma physics
    • Combustion science
    • Laser-material interactions

    Background:

    • Laser-induced gas breakdown is a key phenomenon for initiating combustion.
    • Understanding plasma dynamics in reactive mixtures is crucial for advanced ignition techniques.

    Purpose of the Study:

    • To investigate laser-induced gas breakdown and ignition of atmospheric pressure ammonia/oxygen mixtures.
    • To characterize plasma kernel dynamics and flame development using advanced spectroscopic methods.

    Main Methods:

    • Utilized a nanosecond-pulsed, 1064-nm Nd:YAG laser for optical breakdown.
    • Employed spontaneous emission and NH planar laser-induced fluorescence (PLIF) for spectroscopic analysis.
    • Acquired time-resolved, two-dimensional images for spatial and temporal data.

    More Related Videos

    Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants
    08:53

    Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants

    Published on: September 23, 2013

    Quantitative Analysis of Vacuum Induction Melting by Laser-induced Breakdown Spectroscopy
    03:49

    Quantitative Analysis of Vacuum Induction Melting by Laser-induced Breakdown Spectroscopy

    Published on: June 10, 2019

    Related Experiment Videos

    Last Updated: Jun 23, 2026

    Measurement and Analysis of Atomic Hydrogen and Diatomic Molecular AlO, C2, CN, and TiO Spectra Following Laser-induced Optical Breakdown
    09:40

    Measurement and Analysis of Atomic Hydrogen and Diatomic Molecular AlO, C2, CN, and TiO Spectra Following Laser-induced Optical Breakdown

    Published on: February 14, 2014

    Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants
    08:53

    Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants

    Published on: September 23, 2013

    Quantitative Analysis of Vacuum Induction Melting by Laser-induced Breakdown Spectroscopy
    03:49

    Quantitative Analysis of Vacuum Induction Melting by Laser-induced Breakdown Spectroscopy

    Published on: June 10, 2019

    Main Results:

    • Obtained detailed radiative and gas dynamic information from the plasma kernel.
    • Mapped the space-time distribution of temperature and transient species concentrations.
    • Visualized the development of the flame initiated by laser breakdown.

    Conclusions:

    • The study provides essential data for validating computational models of laser-ignition.
    • Enhanced understanding of plasma dynamics and flame propagation in NH3/O2 mixtures.
    • Demonstrated the utility of PLIF for detailed diagnostics in laser-driven combustion.