Structure defects and optical damage resistance in doubly doped In:Nd:LiNbO<SUB>3</SUB> crystal waveguide substrates by X. H. Zhen, L. C. Zhao, Y. H. Xu

Crystal Research and Technology

Cryst. Res. Technol. 38, 903 (2003) - Abstract -

Structure defects and optical damage resistance in doubly doped In:Nd:LiNbO₃ crystal waveguide substrates

X. H. Zhen, L. C. Zhao, Y. H. Xu*

School of Material Science and Engineering, Harbin Institute of Technology, Harbin, P. R. China
*Department of Applied Chemistry, Harbin Institute of Technology, Harbin, P. R. China

Keywords	In:Nd:LiNbO3, waveguide substrate, structure defect, optical damage resistance
PACS	42.79.Gn, 61.72.-y, 61.80.Ba
DOI	10.1002/crat.200310110

A series of In:Nd:LiNbO₃ crystals were grown by Czochralski technique and were made into waveguide substrates. The optical damage resistance of the In:Nd:LiNbO₃ waveguide substrates was characterized by measurement of the holographic method. The optical damage resistance of In (3.0mol %):Nd:LiNbO₃ was much higher than that of other In:Nd:LiNbO₃. The ultraviolet-visible (UV-Vis) absorption spectra the In:Nd:LiNbO₃ crystals were measured and investigated. The structure defects were discussed in this paper to explain the enhance of the optical damage resistance in the In:Nd:LiNbO₃ crystals.

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