Rigorous theory of molecular orientational nonlinear optics

Title
Rigorous theory of molecular orientational nonlinear optics
Author(s)
곽종훈김건엽
Keywords
2ND HARMONIC-GENERATION; STATIC ELECTRIC-FIELD; 2ND-HARMONIC GENERATION; STATISTICAL THEORY; ISOTROPIC MEDIUM; LIQUID-MIXTURES; ACTIVE LIQUIDS; GAS-PHASE; HYPERPOLARIZABILITIES; LIGHT
Issue Date
201501
Publisher
AMER INST PHYSICS
Citation
AIP ADVANCES, v.5, no.1
Abstract
Classical statistical mechanics of the molecular optics theory proposed by Buckingham [A. D. Buckingham and J. A. Pople, Proc. Phys. Soc. A 68, 905 (1955)] has been extended to describe the field induced molecular orientational polarization effects on nonlinear optics. In this paper, we present the generalized molecular orientational nonlinear optical processes (MONLO) through the calculation of the classical orientational averaging using the Boltzmann type time-averaged orientational interaction energy in the randomly oriented molecular system under the influence of applied electric fields. The focal points of the calculation are (1) the derivation of rigorous tensorial components of the effective molecular hyperpolarizabilities, (2) the molecular orientational polarizations and the electronic polarizations including the well-known third-order dc polarization, dc electric field induced Kerr effect (dc Kerr effect), optical Kerr effect (OKE), dc electric field induced second harmonic generation (EFISH), degenerate four wave mixing (DFWM) and third harmonic generation (THG). We also present some of the new predictive MONLO processes. For second-order MONLO, second-order optical rectification (SOR), Pockels effect and difference frequency generation (DFG) are described in terms of the anisotropic coefficients of first hyperpolarizability. And, for third-order MONLO, third-order optical rectification (TOR), dc electric field induced difference frequency generation (EFIDFG) and pump-probe transmission are presented. (C) 2015 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
URI
http://hdl.handle.net/YU.REPOSITORY/33707http://dx.doi.org/10.1063/1.4906521
ISSN
2158-3226
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이과대학 > 물리학과 > Articles
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