Applied physics

, Volume 15, Issue 2, pp 133–139 | Cite as

LiTaO3 as holographic storage material

  • E. Krätzig
  • R. Orlowski
Contributed Papers

Abstract

The optical storage properties of LiTaO3:Fe are investigated and compared with those of the isomorphous compound LiNbO3:Fe. Absorption, photocurrent, photoconductivity and holographic measurements are reported. In the case of photovoltaic writing similar results for LiTaO3- and LiNbO3-crystals are obtained. However, in the case of photoconductive writing using external electric fields LiTaO3:Fe-crystals yield much better results due to large photoconductivity values. Considering the recording sensitivity and the extremely large storage time LiTaO3:Fe turns out to be one of the most promising materials for photorefractive storage of volume phase holograms.

PACS

72.40 42.30 78.20 

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Copyright information

© Springer-Verlag 1978

Authors and Affiliations

  • E. Krätzig
    • 1
  • R. Orlowski
    • 1
  1. 1.Philips GmbHForschungslaboratorium HamburgHamburg 54Fed. Rep. Germany

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