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Published June 15, 1993 | public
Journal Article Open

Electrical fixing of photorefractive holograms in Sr0.75Ba0.25Nb2O6


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.

Additional Information

© Copyright 1993 Optical Society of America Received February 1, 1993 This research is supported by the Defense Advanced Research Projects Agency and the United States Air Force Office of Scientific Research. We thank Whye-Kei Lye for his help.


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