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

doi:10.1299/kikaib.64.120

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 journal › Article › peer-review

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 language	English
Pages (from-to)	120-127
Number of pages	8
Journal	Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume	64
Issue number	617
DOIs	https://doi.org/10.1299/kikaib.64.120
Publication status	Published - Jan 1998
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Mechanical Engineering

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10.1299/kikaib.64.120

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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 et al.
In: Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, Vol. 64, No. 617, 01.1998, p. 120-127.

Research output: Contribution to journal › Article › peer-review

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AU - Ni-Imi, Tomohide

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

Abstract

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