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Hyperpolarizabilities of Chiral Molecules Based on Three-Coupled-Oscillator Model |
| WANG Xiao-Ou;LI Jun-Qing;LI Chun-Fei |
| Department of Physics, Harbin Institute of Technology, Harbin 150001 |
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| Cite this article: |
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WANG Xiao-Ou, LI Jun-Qing, LI Chun-Fei 2004 Chin. Phys. Lett. 21 2433-3436 |
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Abstract A chiral molecular model of three coupled oscillators is established. A set of coupling equations and hyperpolarizabilities for the chiral molecules with the tripod structure are presented. The expression of second-order nonlinear susceptibility is derived for an isotropic molecular system. The calculated hyperpolarizabilities of NPAN and NPP chiral molecules are consistent with the experimental results and the applicability of this model is validated.
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| Keywords:
42.65.An
42.65.Ky
78.20.Bh
78.20.Ek
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Published: 01 December 2004
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| PACS: |
42.65.An
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(Optical susceptibility, hyperpolarizability)
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42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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78.20.Bh
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(Theory, models, and numerical simulation)
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78.20.Ek
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(Optical activity)
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