Electric field and temperature dependence of the birefringence in linbo3
- 1 June 1989
- journal article
- research article
- Published by Taylor & Francis in Ferroelectrics
- Vol. 94 (1) , 93-96
- https://doi.org/10.1080/00150198908014238
Abstract
In spite of the large utilisation of LiNbO3 in optical devices for its non linear optical properties, its electrooptic coefficients surprisingly are not perfectly known. The electrooptic coefficient rc of LiNbO3 is determined by a technique issued from the Senarmont method. The measurements are performed for various values of the DC applied electric field as a function of the temperature around room temperature. We point out the drastic influence of the spontaneous birefringence variation due to the temperature change. Accurate, correct and reproducible values of the electrooptic coefficients can be obtained only if this dependence is taken into account.Keywords
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