Citation

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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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
URII:	http://shdl.mmu.edu.my/id/eprint/2701

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