Optical properties of WO3 doped congruent LiNbO3 crystals

T.P.J. Han, A. Hill, H.G. Gallagher, F. Jaque

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

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.
Original languageEnglish
Pages (from-to)323-327
Number of pages5
JournalChemical Physics Letters
Volume364
Issue number3-4
Early online date17 Sep 2002
DOIs
Publication statusPublished - 4 Oct 2002

Keywords

  • sellmeier equation
  • LiNbO3 crystals
  • optical absorption
  • nanoscience

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