Growth and optical damage properties of In:Zn:LiNbO3 waveguide substrate by Yiran Nie, Rui Wang, and Biao Wang

Crystal Research and Technology

Cryst. Res. Technol. 42, 23 (2007) - Abstract -

Growth and optical damage properties of In:Zn:LiNbO₃ waveguide substrate

Yiran Nie, Rui Wang*, and Biao Wang

Department of Aerospace Engineering and Mechanics and Electro-Optics Technology Center, Harbin Institute of Technology, Harbin 150001, P. R. China
*Department of Applied Chemistry and Electro-Optics Technology Center, Harbin Institute of Technology, Harbin 150001, P. R. China

Keywords	optical damage, waveguide substrate, m-line method, In:Zn:LiNbO3 crystal
PACS	42.70.Mp, 42.65.Wi, 42.25.Fx, 74.62.Dh
DOI	10.1002/crat.200610764

In:Zn:LiNbO₃ crystals doped with different indium concentrations were grown by Czochralski technique. The optical damage threshold value and ultraviolet-visible absorption spectra of the In:Zn:LiNbO₃ crystals were measured. The In:Zn:LiNbO₃ crystals were made into optical waveguide substrates using hexanedioic acid as proton exchange agent. The optical damage resistant ability of those optical waveguide substrates was investigated by the m-line method. The optical damage threshold values of In(2mol.%):Zn(3mol.%):LiNbO₃ crystal and optical waveguide substrate are two orders of magnitude higher than those of pure LiNbO₃.

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