Second harmonic theory of two coupled oscillators in chiral molecular media | Zendy

Zheng Yang-Dong | Zendy; Junqing Li | Zendy; Li Chun-Fei | Zendy

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Second harmonic theory of two coupled oscillators in chiral molecular media

Author(s) -

Zheng Yang-Dong,

Junqing Li,

Li Chun-Fei

Publication year - 2003

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.52.372

Subject(s) - hyperpolarizability , second harmonic generation , polarization (electrochemistry) , molecule , surface second harmonic generation , harmonic oscillator , physics , harmonic , molecular physics , high harmonic generation , quantum mechanics , materials science , nonlinear system , atomic physics , nonlinear optical , chemistry , laser

We have derived the hyperpolarizability of a chiral molecule from the model of coupled two-oscillators in second-harmonic generation. We gave the susecptibility of a thin film. We discussed the influence of microscopic parameters of a molecule on the efficiency of second-harmonic generation through the relationship of hyperpolarizabilities and susceptibilities. We also have simulated the spectrum of rotational angle of polarization state. Our theoretical results fit the known experimental facts.

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