Spectroscopic investigation of the photorefractive recording and erasure process in LiNbO3 : Fe
- 1 June 1975
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 26 (11), 635-637
- https://doi.org/10.1063/1.88007
Abstract
Photoinduced currents responsible for the photorefractive process in reduced and oxidized LiNbO3 : Fe crystals have been investigated in the spectral range between 1.5 and 4.0 eV. Optical erasure has also been studied by measuring the decay of a photoinduced phase grating during illumination with incoherent light. In comparison to optical absorption these spectra yield information on energy levels of photorefractive centers.Keywords
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