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Growth and photorefractive effect of various Li/Nb ratio Zr:Fe:LiNbO3 crystals

  • Xiao Yan Yu*
  • , Xian Wei Rong
  • , Chao Xu
  • , Xu Hong Wang
  • *Corresponding author for this work
  • Harbin Normal University

Research output: Contribution to journalArticlepeer-review

Abstract

The various Li/Nb double doped Zr:Fe:LiNbO3 crystals were grown by Czochralski technique. The optical homogeneity and the photorefractive resistance ability of crystals were measured. The birefringence gradient of Zr:Fe:LiNbO3 crystals is lower one order of magnitude than that of Fe:LiNbO3 crystals. The photorefractive resistance ability increases one order of magnitude than that of Fe:LiNbO3 crystals. It is found Zr4+ in LiNbO3 possess photorefractive resistance ability. The diffraction efficiency, response time and erasure time of various Li/Nb Zr:Fe:LiNbO3 crystals were measured by two wave coupling photo-path and dynamic range and sensitivity were calculated. The response speed sensitivity and dynamic range of Zr:Fe:LiNbO3 crystals are higher than that of Fe:LiNbO3 crystals and their holographic storage properties superior to that of Fe:LiNbO3 crystals.

Original languageEnglish
Pages (from-to)839-843+848
JournalRengong Jingti Xuebao/Journal of Synthetic Crystals
Volume37
Issue number4
StatePublished - Aug 2008

Keywords

  • Birefringence gradient
  • Photorefractive effect
  • Zr:Fe:LiNbO crystals

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