The application of DFWM to the gas flow measurement (dependencies of DFWM spectrum on pump intensity, pressure, and temperature)

Hisao Suzuki, Hideo Mori, Yoichi Kurasawa, Yutaka Hara, Tomohide Ni-Imi

研究成果: Contribution to journalArticle査読

抄録

For an application of DFWM to temperature measurement of gaseous flows, we detect the DFWM spectra of iodine vapor seeded in argon and investigate fundamental properties of the spectra. The DFWM signal can be detected with the high S/N by the use of different polarizations for the input laser beams. The DFWM spectra shapes depend on the input laser intensity and pressure, mainly due to the change of ratios of the input laser intensity to the saturation intensity. The spectra also depend on temperature, because the population of iodine vapor varies wth temperature, showing the feasibility of the temperature measurement of the gaseous flows.

本文言語英語
ページ(範囲)120-127
ページ数8
ジャーナルNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
64
617
DOI
出版ステータス出版済み - 1 1998
外部発表はい

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 機械工学

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