Nonlinear optical properties of donor-acceptor polyenes: frequency-dependent calculations of the relationship among molecular polarizabilities, α, β, and γ, and bond-length alternation

F. Meyers*, J. L. Bredas, B. M. Pierce, S. R. Marder

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

We have recently proposed a unified description of linear and nonlinear polarization in organic polymethine dyes. In particular, we have established the relationship among the linear polarizability, α, second-order polarizability, β, and third-order polarizability, γ, and the structure of the conjugated molecule (the structural parameter of choice being the bond-length alternation, BLA, or the π-electron bond-order alternation, BOA). In the present work, we show that these relationships, previously determined at the static limit, hold perfectly when the frequency dependence is considered.

Original languageEnglish (US)
Pages (from-to)61-71
Number of pages11
JournalMolecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics
Volume14
Issue number1-4
StatePublished - 1995
Externally publishedYes

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Condensed Matter Physics

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