Paper Title:
Nonlinear Optical Susceptibility of Tetragonal BaTiO3
  Abstract

In the framework of the vibronic theory of ferroelectricity for the transparency region of tetragonal BaTiO3 components and of nonlinear optical susceptibility responsible for the second harmonic generation and the optical rectification are calculated. Selection rules for dipole transitions in the Γ point of the first Brilouin zone are extended over the whole zone. Calculations are confined to lowest order in expansion of susceptibilities in power series of low symmetry lattice distortion. Numerical values of susceptibilities have experimentally observed order of magnitude. The spectral behavior of and is calculated as well.

  Info
Periodical
Edited by
Arturs Medvids
Pages
275-278
DOI
10.4028/www.scientific.net/AMR.222.275
Citation
A. Gulbis, "Nonlinear Optical Susceptibility of Tetragonal BaTiO3", Advanced Materials Research, Vol. 222, pp. 275-278, 2011
Online since
April 2011
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