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Article Dans Une Revue Applied Physics B - Laser and Optics Année : 2008

Electro-optic and dielectric properties of Hafnium-doped congruent lithium niobate crystals

Résumé

We report the optical and dielectric properties in hafnium (Hf)-doped lithium niobate (LN) crystals. We investigated samples of congruent composition with various doping concentration varying from 0 to 8 mol%. The clamped and unclamped values of the electro-optic coefficient r 22 of Hf-doped LN and the corresponding dielectric permittivity as well, have been experimentally determined and compared with the results obtained in undoped congruent LN crystals. We show that the electro-optic and dielectric properties are only slightly affected by the introduction of hafnium ions, and therefore Hf-doped LN has the advantage of low photorefractive damage compared with the undoped congruent LN.
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Dates et versions

hal-00311729 , version 1 (20-08-2008)

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Mustapha Abarkan, Michel Aillerie, Jean-Paul Salvestrini, Marc D. Fontana, Edvard Kokanyan. Electro-optic and dielectric properties of Hafnium-doped congruent lithium niobate crystals. Applied Physics B - Laser and Optics, 2008, 92, pp.603-608. ⟨10.1007/s00340-008-3124-1⟩. ⟨hal-00311729⟩
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