反ストークスラマン散乱を用いた水素ガスの漏洩検知 Leak detection of Hydrogen Gas Using Anti-Stokes Raman Scattering

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An experimental study was performed to evaluate the applicability of anti-Stokes Raman scattering to leak detection of hydrogen gas. The laser beam of wavelength 355 nm and Stokes beam of wavelength 416 nm were aligned in a collinear configuration, and hydrogen gas was released into air through a nozzle of aperture 1 mm placed immediately below the beam path. The anti-Stokes beam of wavelength 309 nm was generated by coherent anti-Stokes Raman scattering. The three beams were incident on a diffusing plate, and the anti-Stokes beam was selectively imaged using an image intensifier and two interference filters. The interference filters provided sufficient rejection at 355 nm, 416 nm, and at fluorescence wavelengths to provide a clear image at 309 nm. The anti-Stokes beam could be imaged down to hydrogen gas release rates of 2 ml/min when the nozzle exit was 0.5 mm below the laser beam and Stokes beam. The anti-Stokes beam could be imaged for separation distance (between the laser and Stokes beams and the nozzle exit) of <3.5 mm, for a gas release rate of 10 ml/min.

収録刊行物

  • 電気学会論文誌. C, 電子・情報・システム部門誌 = The transactions of the Institute of Electrical Engineers of Japan. C, A publication of Electronics, Information and System Society  

    電気学会論文誌. C, 電子・情報・システム部門誌 = The transactions of the Institute of Electrical Engineers of Japan. C, A publication of Electronics, Information and System Society 128(7), 1191-1196, 2008-07-01 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10021133258
  • NII書誌ID(NCID)
    AN10065950
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03854221
  • NDL 記事登録ID
    9564540
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-795
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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