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Home / Radiation Effects and Defects in Solids, Volume 158, Numbers 1-6

ACTIVATION ENERGY OF PROTON MIGRATION IN Mn- AND Fe-DOPED LITHIUM NIOBATE OBTAINED BY HOLOGRAPHIC METHODS

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Authors: MANDULA, G. 1 ; ELLABBAN, M. 2 ; RUPP, R. 2 ; FALLY, M. 2 ; HARTMANN, E. 1 ; KOVÁCS, L. 1 ; POLGÁR, K. 1 ; 

Source: Radiation Effects and Defects in Solids, Volume 158, Numbers 1-6, Numbers 1-6/January-June 2003, pp. 173-179(7)

Publisher: Taylor and Francis Ltd

DOI: https://doi.org/10.1080/1042015021000052304

The activation energy of thermal fixing of photorefractive gratings is determined in congruent and nearly stoichiometric lithium niobate crystals, both doped with iron or manganese. The novel technique called holographic scattering method is compared with the standard two-wave mixing method. A measurement of the angular distribution of the self scattered intensity and its possible analytical function is presented. The mathematical problems of the holographic scattering method are discussed applying the angular distribution functions.

Keywords: Activation energy; Holographic scattering; Lithium niobate; Photorefractive effect; Thermal fixing

Document Type: Research Article

Affiliations: 1: Research Institute for Solid State Physics and Optics, Hungarian Academy of Sciences Crystal Physics Laboratory H-1525 Budapest P.O. Box 49 Hungary 2: Universität Wien Institut für Experimentalphysik Strudlhofgasse 4 A-1090 Wien Austria

Publication date: 01 January 2003

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