π Electron calculations for predicting non-linear optical properties of molecules

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Abstract

The vector (observable) part of the hyperpolarizability tensor for frequency doubling, βvec( -2ω; ω, ω), is calculated using perturbation theory and the PPP model Hamiltonian. Calculations for a dozen representative molecules show that this method yields results in excellent agreement with experiment both for fairly strong and for quite weak optical non-linearity. Thus PPP-type calculations should be useful in understanding π electron molecular non-linear optical properties.

Original languageEnglish
Pages (from-to)370-375
Number of pages6
JournalChemical Physics Letters
Volume131
Issue number4-5
DOIs
Publication statusPublished - 1986

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Optical properties
optical properties
Hamiltonians
Molecules
Electrons
Tensors
molecules
electrons
perturbation theory
nonlinearity
tensors
Experiments

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces

Cite this

π Electron calculations for predicting non-linear optical properties of molecules. / Li, D.; Marks, Tobin J; Ratner, Mark A.

In: Chemical Physics Letters, Vol. 131, No. 4-5, 1986, p. 370-375.

Research output: Contribution to journalArticle

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