Fifth-order nonlinear susceptibilities of sodium atomic vapor
Laser Research Center, Vilnius University, Saulėtekio 10, LT-10223, Vilnius, Lithuania
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Revised: 26 May 2014
Accepted: 24 June 2014
Published online: 25 July 2014
This paper presents calculations of the fifth-order nonlinear optical susceptibilities of sodium vapor responsible for the third harmonic generation, degenerated six-wave mixing as well as for the fifth-order nonlinear Kerr effect. The values of the nonlinear susceptibilities were obtained applying the quantum-mechanical perturbation theory of the atomic wave function using values of the dipole matrix elements of 12 lowest atomic energy levels and are presented as functions of the wavelength within a wide spectral range from ionization wavelength of 241.3 nm to 2400 nm. Presented data can be used further for the theoretical modelling of various nonlinear optical processes.
© Società Italiana di Fisica and Springer-Verlag Berlin Heidelberg, 2014