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Improved nonvolatile holographic storage properties in Zr:Ru:Fe:LiNbO 3 crystal by blue light recording

  • School of Chemistry and Chemical Engineering, Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Lithium niobate crystal triply doped with zirconium, ruthenium and iron was grown by conventional Czochralski method and its nonvolatile storage characteristics were investigated by means of two-wavelength technology, where blue and red beam were used as recording and readout light, respectively. In oxidized Zr:Ru:Fe:liNbO3 crystal, short response time of 9.1 s and high recording sensitivity of 0.92 cm/J were demonstrated, together with high fixed diffraction efficiency of 44.9% maintained. These excellent properties were attributed to the elimination of intrinsic defects by ZrO2 doping and effective excitation of electrons by blue light. Our experimental results indicated this doped LiNbO3 crystal was an outstanding medium for holographic storage applications.

Original languageEnglish
Pages (from-to)320-322
Number of pages3
JournalMaterials Letters
Volume67
Issue number1
DOIs
StatePublished - 15 Jan 2012
Externally publishedYes

Keywords

  • Crystal growth
  • Optical materials and properties
  • Oxidation

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