Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24094
Title: Optical damage resistance of In:Fe:LiNbO3 crystals related to the defect structure
Authors: Zhang, T
Wang, B
Fang, SQ
Ma, DC
Zhao, YQ
Xu, YH
Issue Date: 2004
Source: Materials letters, 2004, v. 58, no. 24, p. 3074-3078
Abstract: A series of In:Fe:LiNbO3 crystals with various concentration of In2O3 doping were grown in an air atmosphere using the Czochralski method. Spectroscopic properties (fundamental absorption edge, OH vibrational band) were used for an exploration of the defect structure. Light-induced scattering and direct observation of the transmitted laser beam distortion were used to characterize the optical damage. It was found that the threshold intensity of In (3 mol%):Fe:LiNbO3 was 2 orders of magnitude higher than that of Fe:LiNbO3 and was able to withstand higher power level. The increase in damage resistance could be attributed to the Fe3+ losing their electron acceptor properties and therefore an increase in photoconductivity.
Keywords: In:Fe:LiNbO3
Optical damage
Defect structure
Publisher: Elsevier
Journal: Materials letters 
ISSN: 0167-577X
EISSN: 1873-4979
DOI: 10.1016/j.matlet.2004.05.046
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