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Second Harmonic Generation in Zn‐doped Li‐rich LiNbO 3 Crystals
Author(s) -
Li M.H.,
Xu Y.H.,
Wang R.,
Zhen X.H.,
Zhao C.Z.
Publication year - 2001
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/1521-4079(200102)36:2<191::aid-crat191>3.0.co;2-h
Subject(s) - second harmonic generation , doping , materials science , lithium niobate , czochralski method , analytical chemistry (journal) , phase matching , energy conversion efficiency , phase (matter) , optics , optoelectronics , chemistry , laser , physics , organic chemistry , chromatography
6.0 mol. % ZnO doped LiNbO 3 crystals were grown by Czochralski technique. Various Li/Nb mole ratios of 0.942, 0.970, 1.000, and 1.020 were used to prepare the starting materials. Second harmonic generation (SHG) experimental results show that the phase matching temperature increases near linearly with the increasing of Li/Nb ratio, and the SHG efficiency is enhanced by the Zn doping and the increasing of Li/Nb ratio. The intrinsic and extrinsic defects are discussed in this paper to explain the SHG behavior and photo‐damage resistance in the Zn doped Li‐rich LiNbO 3 crystals.