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

Research output: Contribution to journalConference articlepeer-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
EventProceedings of the 1994 International Conference of Optically Nonlinear Organic Materials and Applications (4th IKETANI Conference) - Hawaii Island, HI, USA
Duration: May 17 1994May 20 1994

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Condensed Matter Physics

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