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- Title
Investigation on photorefractive properties of doped lithium niobate.
- Authors
H. T. Li; F. Y. Guo; S. H. Zhang; L. C. Zhao
- Abstract
Cu:LiNbO3 crystal and Fe:Cu:LiNbO3 crystals were grown by the Czochralski method from congruent melt. The OH- absorption spectrum of doped lithium niobate crystals was measured. The photorefractive properties of doped crystals were studied by the two-wave coupling method. The results of the two-wave coupling experiments showed that as the concentration of doping ions increased, the diffraction efficiency and the dynamic range enhanced, the holographic response time shortened. The recording time of Fe(0.10wt%): Cu(0.10wt%): LiNbO3 crystal is only a tenth of that of Cu(0.05wt%): LiNbO3 crystal. Among all samples, the dynamic range of the Fe(0.10wt%): Cu(0.10wt%): LiNbO3 crystal was the most largest (up to 40.78). (© 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
- Subjects
CRYSTALLOGRAPHY; LITHIUM niobate; MOLECULAR spectroscopy; INTERMEDIATES (Chemistry)
- Publication
Crystal Research & Technology, 2007, Vol 42, Issue 10, p1014
- ISSN
0232-1300
- Publication type
Article
- DOI
10.1002/crat.200710945