Higher polarization of organic molecules used in nonlinear optics: Influence of the Coulomb interaction

Mikhail Mestechkin; Gene Whyman

doi:10.1117/12.451375

Higher polarization of organic molecules used in nonlinear optics: Influence of the Coulomb interaction

Mikhail Mestechkin, Gene Whyman

Research output: Contribution to journal › Conference article › peer-review

3 Scopus citations

Abstract

Matrix formulation of TDHF theory of HP is given, (2i+l)-rule for dynamic HP and compatibility of TDHF with finite field approach are proven. The definition of tensor invariants of HP is given for the general case. The above results are illustrated by calculations of HP in organic molecules with expressed nonlinear optical properties. A method of inclusion of intermolecular Madelung potential into HP calculation in crystals and crystal layers is described and illustrated by estimation of its influence on HP of some Langmuir-Blodgett films. Similar technique is developed for calculation of Lorentz factors in crystals and crystal layers, which have been used for transformation of molecular HP into higher susceptibilities of crystals and films.

Original language	English
Pages (from-to)	55-66
Number of pages	12
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	4812
DOIs	https://doi.org/10.1117/12.451375
State	Published - 2002
Externally published	Yes
Event	Nonlinear Spectroscopy - Seattle, WA, United States Duration: 8 Jul 2002 → 9 Jul 2002

Keywords

Hyperpolarizability
Langmuir-Blodgett films
Madelung interaction
Susceptibility

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10.1117/12.451375

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abstract = "Matrix formulation of TDHF theory of HP is given, (2i+l)-rule for dynamic HP and compatibility of TDHF with finite field approach are proven. The definition of tensor invariants of HP is given for the general case. The above results are illustrated by calculations of HP in organic molecules with expressed nonlinear optical properties. A method of inclusion of intermolecular Madelung potential into HP calculation in crystals and crystal layers is described and illustrated by estimation of its influence on HP of some Langmuir-Blodgett films. Similar technique is developed for calculation of Lorentz factors in crystals and crystal layers, which have been used for transformation of molecular HP into higher susceptibilities of crystals and films.",

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AU - Whyman, Gene

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AB - Matrix formulation of TDHF theory of HP is given, (2i+l)-rule for dynamic HP and compatibility of TDHF with finite field approach are proven. The definition of tensor invariants of HP is given for the general case. The above results are illustrated by calculations of HP in organic molecules with expressed nonlinear optical properties. A method of inclusion of intermolecular Madelung potential into HP calculation in crystals and crystal layers is described and illustrated by estimation of its influence on HP of some Langmuir-Blodgett films. Similar technique is developed for calculation of Lorentz factors in crystals and crystal layers, which have been used for transformation of molecular HP into higher susceptibilities of crystals and films.

KW - Hyperpolarizability

KW - Langmuir-Blodgett films

KW - Madelung interaction

KW - Susceptibility

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Higher polarization of organic molecules used in nonlinear optics: Influence of the Coulomb interaction

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Keywords

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