The nature of some nonlinear optic coefficients in ferroelectrics

Webb, J. F. and Chew, K. H. and Osman, J. and Tilley, D. R. (2001) The nature of some nonlinear optic coefficients in ferroelectrics. Ferroelectrics, 251 (1). pp. 117-121. ISSN 0015-0193

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Official URL: http://dx.doi.org/10.1080/00150190108008508

Abstract

Nonlinear optic coefficients that have been calculated through the resonant region in the far-infrared are looked at. It is possible to make such calculations by using a systematic expansion based on the Landau-Devonshire expression for the free energy together with the Landau-Khalatnikov dynamical equations. In this paper the coefficients considered have been calculated for an isotropic paraelectric phase. Two third order examples are presented: third harmonic generation and the d.c. Kerr effect. Experimental and practical implications include those for far-infrared sources and Terrahertz wave technology.

Item Type: Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 09 Sep 2011 02:47
Last Modified: 09 Sep 2011 02:47
URI: http://shdl.mmu.edu.my/id/eprint/2701

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