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Updated: Jun 6, 2026

Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry
07:17

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Tunable KrCI excimer-laser operation for combustion diagnostics.

M Decker, V Sick

    Applied Optics
    |November 12, 2010
    PubMed
    Summary
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    Optimized a tunable KrCl laser at 222 nm for nitric oxide (NO) detection. This laser-induced fluorescence technique specifically excites NO in combustion environments.

    Area of Science:

    • Laser Physics and Spectroscopy
    • Combustion Chemistry and Diagnostics

    Background:

    • Nitric oxide (NO) detection is crucial for understanding combustion processes.
    • Tunable narrow-band lasers are valuable tools for selective species excitation.

    Purpose of the Study:

    • To optimize operating conditions for a tunable KrCl excimer laser at 222 nm.
    • To assess the laser's suitability for NO detection in combustion using laser-induced fluorescence (LIF).

    Main Methods:

    • Optimization of a tunable XeCl excimer laser system using Kr/He/Ne/HCl gas mixtures.
    • Spectroscopic analysis of laser-induced fluorescence in a flame environment.
    • Characterization of laser emission coinciding with NO A-X system bands.

    Main Results:

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    Last Updated: Jun 6, 2026

    Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry
    07:17

    Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry

    Published on: August 1, 2017

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation
    10:52

    Direct Imaging of Laser-driven Ultrafast Molecular Rotation

    Published on: February 4, 2017

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    Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

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    • Achieved tunable narrow-band operation at 222 nm using KrCl.
    • Demonstrated specific excitation of NO in a flame using the optimized laser.
    • Laser emission matched the (1, 1) and (2, 2) bands of the NO A-X system.

    Conclusions:

    • The optimized 222 nm KrCl laser is effective for selective NO excitation.
    • This technique shows promise for NO diagnostics in combustion environments via LIF.
    • Further research can refine this method for advanced combustion analysis.