Defect structure and optical damage resistance of In:Fe:Cu:LiNbO 3  crystals with various [Li]/[Nb] ratios | Zendy

Wu Fengjiang | Zendy; Luo Suhua | Zendy; Wang Jian | Zendy; Sun Xiudong | Zendy

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Defect structure and optical damage resistance of In:Fe:Cu:LiNbO 3 crystals with various [Li]/[Nb] ratios

Author(s) -

Wu Fengjiang,

Luo Suhua,

Wang Jian,

Sun Xiudong

Publication year - 2011

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/crat.201000579

Subject(s) - stoichiometry , inductively coupled plasma , lithium niobate , birefringence , doping , analytical chemistry (journal) , materials science , czochralski method , chemistry , plasma , optics , optoelectronics , physics , chromatography , quantum mechanics

In:Fe:Cu:LiNbO 3 crystals were grown in air by the Czochralski technique with various [Li]/[Nb] ratios of 0.946, 1.050, 1.200, and 1.380 in melt. Based on the ICP‐AES (inductively coupled plasma atomic emission spectrometry) analyzed results, the chemical formula of the triple‐doped In:Fe:Cu:LiNbO 3 crystals were obtained. It can be seen that the near‐stoichiometric ratio value is between 1.050 and 1.200 for our samples. The optical damage resistance of In:Fe:Cu:LiNbO 3 crystals was characterized by changes in light‐induced birefringence and it increases with the increasing of [Li]/[Nb] ratios. The dependence of the optical damage resistance on the defect structure of In:Fe:Cu:LiNbO 3 crystals is discussed in detail based on the obtained chemical formulas. (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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