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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 19, Iss. 7 — Jul. 1, 2002
  • pp: 1620–1626

Unique determination of the hyperpolarizability tensor ratio through depolarized hyper-Rayleigh scattering under an external electric field

Jisoo Hwang, Byoungchoo Park, H. J. Chang, and J. W. Wu  »View Author Affiliations


JOSA B, Vol. 19, Issue 7, pp. 1620-1626 (2002)
http://dx.doi.org/10.1364/JOSAB.19.001620


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Abstract

We have analyzed the depolarized hyper-Rayleigh scattering from a molecular system with partial macroscopic polar ordering. It is shown that the hyperpolarizability tensor ratio and the molecular dipole moment can be determined simultaneously by the measurement of depolarization as a function of external field strength. As an experimental example, we performed a quantitative analysis of the electric-field-dependent depolarized hyper-Rayleigh signal from a poly-γ-benzyl-L-glutamate solution, obtaining the dipole moment and the ratio of hyperpolarizability components as 4.0 D and β311333=−0.81, respectively.

© 2002 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4160) Nonlinear optics : Multiharmonic generation
(190.4710) Nonlinear optics : Optical nonlinearities in organic materials
(290.5870) Scattering : Scattering, Rayleigh

Citation
Jisoo Hwang, Byoungchoo Park, H. J. Chang, and J. W. Wu, "Unique determination of the hyperpolarizability tensor ratio through depolarized hyper-Rayleigh scattering under an external electric field," J. Opt. Soc. Am. B 19, 1620-1626 (2002)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-19-7-1620

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