Abstract
Persistent holograms are recorded locally with red light in a crystal doped with Mg and Fe. Selective erasure is realized by use of a focused UV sensitizing light. We demonstrate the recording of 50 localized images as well as selective erasure in a crystal. A comparison of the total recording time for holograms obtained with the conventional distributed-volume recording and the localized methods is presented.
© 2000 Optical Society of America
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