Material tensor parameters of LiNbO3 relevant for electro- and elasto-optics |
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Authors: | M Jazbin?ek M Zgonik |
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Institution: | (1) Faculty of Mathematics and Physics, University of Ljubljana and ‘J. Stefan’ Institute, Jamova 39, Ljubljana, 1000 Slovenia, SI |
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Abstract: | The complete set of self-consistent parameters of nominally undoped LiNbO3 crystals of congruent composition that describe the electro-optic, piezoelectric, elasto-optic, elastic, and dielectric response
has been determined by numerically evaluating available measurements. The parameters were determined at room temperature and
consist of the low-frequency clamped dielectric constants εS
ij, elastic stiffness constants at constant electric field CE
ijkl, piezoelectric stress coefficients eijk, elasto-optic constants at constant electric field pE
ijkl, and clamped electro-optic coefficients rS
ijk. It is shown that the complete set is required for calculating the effective electro-optic coefficients and dielectric constants
in photorefractive applications of LiNbO3.
Received: 4 January 2002 / Revised version: 1 February 2002 / Published online: 14 March 2002 |
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Keywords: | PACS: 42 70 Nq 77 84 Dy 78 20 -e |
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