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

Title
Unique determination of the hyperpolarizability tensor ratio through depolarized hyper-Rayleigh scattering under an external electric field
Authors
Hwang J.Park B.Chang H.J.Wu J.W.
Ewha Authors
우정원
SCOPUS Author ID
우정원scopus
Issue Date
2002
Journal Title
Journal of the Optical Society of America B: Optical Physics
ISSN
0740-3224JCR Link
Citation
vol. 19, no. 7, pp. 1620 - 1626
Indexed
SCI; SCIE; SCOPUS WOS scopus
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 β311/333 = -0.81, respectively. © 2002 Optical Society of America.
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자연과학대학 > 물리학전공 > Journal papers
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