Applied Physics B

, Volume 72, Issue 6, pp 761–765

Compact and portable holographic camera using photorefractive crystals. Application in various metrological problems

  • M.P. Georges
  • V.S. Scauflaire
  • P.C. Lemaire
Article
  • 84 Downloads

Abstract.

We present a compact holographic interferometer that uses a photorefractive crystal of the sillenite family as a holographic recording medium. Its development is based on a previous prototype that showed lack of flexibility and portability. We briefly discuss the main improvements leading to a compact device. Applications of this instrument in various metrological problems are shown, among which are two that were not already considered using holography, namely measurement of a thermal expansion coefficient and detection of fingerprints.

PACS: 42.40.Kw; 42.40.My; 42.70.Nq 

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Copyright information

© Springer-Verlag 2001

Authors and Affiliations

  • M.P. Georges
    • 1
  • V.S. Scauflaire
    • 1
  • P.C. Lemaire
    • 1
  1. 1.Centre Spatial of Liège, Université de Liège, Parc Scientifique du Sart Tilman, Avenue du Pré-Aily, 4031 Angleur, BelgiumBE

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