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

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Pages (from-to)120-127
Number of pages8
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume64
Issue number617
DOIs
Publication statusPublished - Jan 1 1998
Externally publishedYes

Fingerprint

Gas fuel measurement
flow measurement
Flow measurement
Iodine
Temperature measurement
gas flow
Flow of gases
Flow of fluids
Vapors
Pumps
pumps
Lasers
iodine
Laser beams
temperature measurement
Argon
vapors
Polarization
Temperature
temperature

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

The application of DFWM to the gas flow measurement (dependencies of DFWM spectrum on pump intensity, pressure, and temperature). / Suzuki, Hisao; Mori, Hideo; Kurasawa, Yoichi; Hara, Yutaka; Ni-Imi, Tomohide.

In: Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, Vol. 64, No. 617, 01.01.1998, p. 120-127.

Research output: Contribution to journalArticle

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