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SUN Liang, YANG Chun-hui, XU Yu-heng, ZHAO Lian-cheng. Associative storage properties of Zr：Fe：LiNbO3 crystals[J]. LASER TECHNOLOGY, 2009, 33(5): 478-481. DOI: 10.3969/j.issn.1001-3806.2009.05.009
Citation: SUN Liang, YANG Chun-hui, XU Yu-heng, ZHAO Lian-cheng. Associative storage properties of Zr：Fe：LiNbO3 crystals[J]. LASER TECHNOLOGY, 2009, 33(5): 478-481. DOI: 10.3969/j.issn.1001-3806.2009.05.009
shu

Associative storage properties of Zr：Fe：LiNbO3 crystals

  • 1.

    School of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin 150001, China;

  • 2.

    School of MaterialsScience and Engineering, Harbin Institute of Technology, Harbin 150001, China

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  • Received Date: August 19, 2008
  • Revised Date: December 03, 2008
  • Published Date: October 24, 2009
    Graphical Abstract
    • Abstract
  • In order to measure the infrared spectra,photo refractive threshold,phase conjugation and associative storage properties of Zr:Fe:LiNbO3 crystals,the crystals were firstly grown by means of the Czochralski technique.The experiment showed that the OH-vibrational peak corresponding to Zr:Fe:LiNbO3 crystal red-shifted to 3488cm-1.The optical damage resistance ability of Zr:Fe:LiNbO3 crystal was enhanced with the increase of Zr4+ion concentration.The optical damage resistance ability of Zr(mole fraction XZr=0.06):Fe:LiNbO3 crystal was one order magnitude higher than that of Fe:LiNbO3 crystal.With the increase of doping Zr4+ ions concentration,the response speed of phase conjugation of crystals was improved,and the reflection index of phase conjugation of crystals was weakly decreased,i.e.,the speed of Zr(xZr=0.02):Fe:LiNbO3 crystal was one order magnitude higher than that of Fe:LiNbO3 crystal.Otherwise,when Zr(xZr=0.04):Fe(mass fraction wFe=0.0003):LiNbO3 crystal was as the storage media and Zr(xZr=0.06):Fe(wFe=0.0003):LiNbO3 crystal was as phase conjugation mirror,the better quality storage image was received by the output plane.The above results show that Zr:Fe:LiNbO3 crystals have strong photorefractive damage ability and excellent associative storage properties.
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    • References (8)
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