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Effect of [Li]/[Nb] on the holographic storage properties in LiNbO3:Fe:Hf crystals

  • Li Wei Gao
  • , Qing Xin Meng*
  • , Hong Xin Shi
  • , Xiu Dong Sun
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Holographic storage properties and Ultraviolet-Visible absorption spectra of LiNbO3:Fe:Hf crystals adoped with Hf(4 mol%) are measured and analysised. Ultraviolet-Visible absorption edges obviously shift to long waveleng. The ratio of [Fe2+]/[Fe3+] increases with the increasing of [Li]/[Nb], which results in the deceasing of diffraction efficiency, and improving response speed and sensitivity. Moreover, the ability of light scattering resistance decreased with the increasing of [Li]/[Nb]. It is contributed to the change of FeLi2+ concentration in crystals.

Original languageEnglish
Pages (from-to)1253-1256
Number of pages4
JournalGuangzi Xuebao/Acta Photonica Sinica
Volume39
Issue number7
DOIs
StatePublished - Jul 2010

Keywords

  • Concentration of [Li]/[Nb] variation
  • LiNbO:Fe:Hf
  • Threshold concentration

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