STUDY ON PERIODICAL POLARIZATION CHARACTERISTICS OF NEAR-STOICHIOMETRIC MgO-DOPED LiNbO3 CRYSTAL

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Journal of Infrared and Millimeter Waves >Volume 22 >Issue 1 >Page 35 > Article

Journal of Infrared and Millimeter Waves
Vol. 22, Issue 1, 35 (2003)

STUDY ON PERIODICAL POLARIZATION CHARACTERISTICS OF NEAR-STOICHIOMETRIC MgO-DOPED LiNbO3 CRYSTAL

[in Chinese]^1、2, [in Chinese]^1、2, [in Chinese]^1、2, [in Chinese]^1、2, [in Chinese]^1、2, and [in Chinese]^1、2

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¹[in Chinese]

²[in Chinese]

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DOI: Cite this Article

[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. STUDY ON PERIODICAL POLARIZATION CHARACTERISTICS OF NEAR-STOICHIOMETRIC MgO-DOPED LiNbO3 CRYSTAL[J]. Journal of Infrared and Millimeter Waves, 2003, 22(1): 35 Copy Citation Text

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Abstract

The fine near-stoichioment MgO-doped LiNbO 3 crystals were fabricated by the vapor transport equilibration and the dependence of the switch field on / ratio was systematically investigated. The results show that the switch field for 180° ferroelectric domain reversal in the near-stoichioment Mg:LiNbO 3 crystal decreases as / ratio incrwases. 180° domain reversal in the 1.0mm near-stoichiometric Mg:LiNbO 3 samples is successfully achieved by using 3.5kV/mm switch field. A reasonable explanation for experimental results is given, which is based on the Li-site vacancy point defect model.

Keywords

domain reversal.periodical polarization quasi-phase matched near-stoichiometric MgO-doped LiNbO3

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