Product Code: ICAL08_P144

Experimental Determination of Linear Electro-Optic Tensor in Crystal Materials of Different Symmetry
Authors:
Andriy Lavinskyy, National Energy Company; Lviv Ukraine
Anatoliy Andrushchak, Lviv Polytechnic National University; Lviv Ukraine
Andriy Kityk, Politechnika Cztochowska; Cztochowa Poland
Presented at ICALEO 2008

This work presents the technique suitable for the determination of the linear electro-optic effect tensor components in crystal materials of any symmetry. The method is based on the Michelson interferometer where the sample being studied is set into the one of its arms to measure the electro-induced changes of the optical path. We describe in details the sample geometries that are needed to determine a complete set of the linear electro-optic effect tensor components as well as derive the corresponding equations. The experimental technique has been tested and verified on the lithium niobate crystals as well as applied to MgO-doped LiNbO3 crystals to study their electro-optic properties. LiNbO3:MgO crystals have a radiation resistance of about several times higher than pure LiNbO3. Due to this reason such materials are perspective for numerous practical applications since they provides the best parameter stability in a powerful laser radiation.
The developed method can be useful for the optical engineering which deals with new materials being used in a design or production of electro-optic devices.

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