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Electrical Fixing Of Photorefractive Holograms In Sr0.75Ba0.25Nb2O6

Demetri Psaltis
1993
Journal paper
Abstract

Photorefractive holograms stored in Sr0.75Ba0.25Nb2O6 crystals are electrically fixed at room temperature. The fixed holograms can be read out directly or after a positive-voltage pulse is applied that can dramatically enhance the diffraction efficiency. Single gratings as well as images are recorded and fixed.

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