Comparison of domain reversal and electro-optic properties of congruent and stoichiometric lithium tantalate

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Abstract

A change in the Li/(Li+Ta) ratio in LiTaO3 crystals from 0.485 (congruent) to ∼0.5 (stoichiometric) results in a up to 130 times reduction in coercive fields for domain reversal and an elimination of the internal fields and domain backswitching. Dramatic differences in the fatigue behavior are also observed, that results in an electro-optic effect that is very sensitive to electrodes in stoichiometric compositions and rather insensitive in congruent compositions.

Original languageEnglish (US)
Article number40
Pages (from-to)278-282
Number of pages5
JournalProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume5728
DOIs
StatePublished - Jul 21 2005
EventIntegrated Optics: Devices, Materials, and Technologies IX - San Jose, CA, United States
Duration: Jan 24 2005Jan 26 2005

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Biomaterials
  • Radiology Nuclear Medicine and imaging

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