Wavelength-dependent resonant homodyne and heterodyne transient grating spectroscopy with a diffractive optics method: Solvent effect on the third-order signal

Qing Hua Xu; Ying Zhong Ma; Igor V. Stiopkin; Graham R. Fleming

doi:10.1063/1.1473653

Wavelength-dependent resonant homodyne and heterodyne transient grating spectroscopy with a diffractive optics method: Solvent effect on the third-order signal

Qing Hua Xu, Ying Zhong Ma, Igor V. Stiopkin, Graham R. Fleming

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33 Scopus citations

Abstract

A simplified diffractive optics method was used to study wavelength-dependent homodyne and heterodyne transient grating (TG) on a resonant system. Similar longtime dacay was observed in the real and imaginery components of the third-order molecular polarization at different excitation wavelengths. The wavelength dependence of the initial dynamics in homodyne TG and other four-wave mixing techniques was explained in terms of the interference of the wavelength-dependent resonant solute contributions with the nonresonant solvent contribution.

Original language	English
Pages (from-to)	9333-9340
Number of pages	8
Journal	Journal of Chemical Physics
Volume	116
Issue number	21
DOIs	https://doi.org/10.1063/1.1473653
State	Published - Jun 1 2002
Externally published	Yes

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abstract = "A simplified diffractive optics method was used to study wavelength-dependent homodyne and heterodyne transient grating (TG) on a resonant system. Similar longtime dacay was observed in the real and imaginery components of the third-order molecular polarization at different excitation wavelengths. The wavelength dependence of the initial dynamics in homodyne TG and other four-wave mixing techniques was explained in terms of the interference of the wavelength-dependent resonant solute contributions with the nonresonant solvent contribution.",

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T2 - Solvent effect on the third-order signal

AU - Xu, Qing Hua

AU - Ma, Ying Zhong

AU - Stiopkin, Igor V.

AU - Fleming, Graham R.

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Y1 - 2002/6/1

N2 - A simplified diffractive optics method was used to study wavelength-dependent homodyne and heterodyne transient grating (TG) on a resonant system. Similar longtime dacay was observed in the real and imaginery components of the third-order molecular polarization at different excitation wavelengths. The wavelength dependence of the initial dynamics in homodyne TG and other four-wave mixing techniques was explained in terms of the interference of the wavelength-dependent resonant solute contributions with the nonresonant solvent contribution.

AB - A simplified diffractive optics method was used to study wavelength-dependent homodyne and heterodyne transient grating (TG) on a resonant system. Similar longtime dacay was observed in the real and imaginery components of the third-order molecular polarization at different excitation wavelengths. The wavelength dependence of the initial dynamics in homodyne TG and other four-wave mixing techniques was explained in terms of the interference of the wavelength-dependent resonant solute contributions with the nonresonant solvent contribution.

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DO - 10.1063/1.1473653

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JO - Journal of Chemical Physics

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Wavelength-dependent resonant homodyne and heterodyne transient grating spectroscopy with a diffractive optics method: Solvent effect on the third-order signal

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