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Sensitive detection of H2 molecules by two-photon excited laser-induced fluorescence

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Abstract

The sensitive detection of H2 molecules was demonstrated by means of twophoton excited laser-induces fluorescence spectroscopy with a narrow-band ArF excimer laser. A detection limit of 2×1014 cm−3 was obtained with an excitation power of ∼150 kW. This is already comparable with that obtained by the coherent anti-Stokes Raman scattering (CARS). This technique was successfully applied to measure a spatial distribution of H2 in a town-gas burner.

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Authors and Affiliations

  1. Department of Electrical Engineering, Faculty of Engineering, Kyushu University, 812, Fukuoka, Japan

    T. Okada & M. Maeda

  2. Department of Energy Conversion, Graduate School of Engineering Sciences, Kyushu University, 816, Fukuoka, Japan

    Y. Kajiki, K. Muraoka & M. Akazaki

Authors
  1. T. Okada
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  2. M. Maeda
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  3. Y. Kajiki
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  4. K. Muraoka
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  5. M. Akazaki
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Okada, T., Maeda, M., Kajiki, Y. et al. Sensitive detection of H2 molecules by two-photon excited laser-induced fluorescence. Appl. Phys. B 43, 113–116 (1987). https://doi.org/10.1007/BF00692825

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  • DOI: https://doi.org/10.1007/BF00692825

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