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Applied Physics B

, Volume 78, Issue 5, pp 615–622 | Cite as

Photorefractive properties of iron-doped lithium tantalate crystals

  • J. ImbrockEmail author
  • C. Bäumer
  • H. Hesse
  • D. Kip
  • E. Krätzig
Article

Abstract

Iron-doped lithium tantalate crystals are grown by the Czochralski method and their photorefractive properties are examined with holographic methods. Dynamic range, holographic sensitivity, photoconductivity, and dark storage time are measured in dependence on the iron concentration and light intensity. The largest refractive-index change for ordinarily polarized light is 3.5×10-4, in comparison with 6.2×10-4 for iron-doped lithium niobate. Due to a small mobility of protons the dark storage time of holograms in lithium tantalate is larger than that in lithium niobate.

Keywords

Iron Lithium Light Intensity Iron Concentration Storage Time 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 2004

Authors and Affiliations

  • J. Imbrock
    • 1
    Email author
  • C. Bäumer
    • 1
  • H. Hesse
    • 1
  • D. Kip
    • 2
  • E. Krätzig
    • 1
  1. 1.Physics DepartmentUniversity of OsnabrückOsnabrückGermany
  2. 2.Institute of PhysicsTechnical University of ClausthalClausthal-ZellerfeldGermany

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