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Holograms obtained by laser‐assisted oxidation of thin tellurium films

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2 Author(s)
Shafeev, G.A. ; Department of Materials, University of Mons‐Hainaut, B‐7000 Mons, Belgium ; Wautelet, M.

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Holograms are recorded by laser‐assisted oxidation of thin tellurium films in air. The process of recording is characterized in situ by measuring the evolution of a self‐diffracted beam of a cw Ar+ laser. Stationary diffraction efficiency is shown to be independent both on the recording beam power and on the grating period. Amplitude holograms are obtained with an efficiency of 3.2% at a spatial period of 3 μm.

Published in:

Journal of Applied Physics  (Volume:71 ,  Issue: 4 )