Influence of the Proton Concentration on the Properties of the LiNbO3 and LiTaO3 Crystals.
Interim rept. no 2,
ECOLE POLYTECHNIQUE PALAISEAU (FRANCE) LAB DE PHYSIQUE DE LA MATIERE CONDENS EE
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Preparing series of waveguides with the same recipe, we faced the problem of a rather poor reproducibility up to 10 fluctuation of the index increase for step index waveguides. We were able to demonstrate that this phenomenon was due to an uncontrolled amount of water in the melt we used for the exchange. Preliminary experiment have been performed to test the influence of the Proton Exchange on the nonlinearity of the crystal and on its poling behavior. In both cases, an important influence has been observed.
- Inorganic Chemistry