Optical properties of WO3 doped congruent LiNbO3 crystals

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Han, T.P.J. and Hill, A. and Gallagher, H.G. and Jaque, F. (2002) Optical properties of WO3 doped congruent LiNbO3 crystals. Chemical Physics Letters, 364 (3-4). pp. 323-327. ISSN 0009-2614 (https://doi.org/10.1016/S0009-2614(02)01285-X)

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Abstract

The dependence of the optical absorption band edge, ordinary and extraordinary refractive index, powder second harmonic generation and the non-linear coefficient, d33, of congruent LiNbO3 crystals doped with WO3 are reported. It has been found that the referred parameters show a clear singularity for a concentration in the range of 1.5-2%. In comparison with previous works on congruent LiNbO3 crystals doped with divalent and trivalent ions a charge compensation mechanism is proposed to explain the role of the cation. The experimental data of no and ne are described by a generalised Sellmeier equation considering the different ions sites in the sample.

ORCID iDs

Han, T.P.J. ORCID logoORCID: https://orcid.org/0000-0002-2303-6861, Hill, A., Gallagher, H.G. and Jaque, F.;
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