Four-photon polarization spectroscopy of liquid

A. F. Bunkin; G. A. Lyakhov

doi:10.1117/12.340039

5 February 1999 Four-photon polarization spectroscopy of liquid

A. F. Bunkin, G. A. Lyakhov

Proceedings Volume 3732, ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine; (1999) https://doi.org/10.1117/12.340039
Event: ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, 1998, Moscow, Russian Federation

Abstract

The data on water and water solutions four-photon spectroscopy are presented. In the low frequency spectral band (0 - 100 cm^-1) the four-photon spectra of intermolecular and collective vibrations of water molecules are predicted theoretically and observed experimentally. Anisotropy relaxation processes in associated liquids can be studied effectively with the use of four-photon polarization spectroscopy. In contrast to spontaneous Rayleigh wing scattering, the four-photon signal contains an interference of Kerr, Rayleigh, and Brillouin nonlinearities, which deforms specifically the detected spectrum. This fact allows mutual calibration of cubic nonlinearities related to above mentioned processes.

Citation Download Citation

A. F. Bunkin and G. A. Lyakhov "Four-photon polarization spectroscopy of liquid", Proc. SPIE 3732, ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, (5 February 1999); https://doi.org/10.1117/12.340039

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