Optically Erasable and Rewritable Solid-State Holograms
- 1 January 1972
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 20 (1) , 47-49
- https://doi.org/10.1063/1.1653976
Abstract
Optical holographic storage in single‐crystal LiNbO3 is described which can be optically erased at room temperature and then rewritten with no degradation in efficiency or writing rate. The diffraction efficiencies associated with this process are about 10−4. Some variations from previously reported results include a lack of a threshold power density for writing, very‐long‐term persistence of the stored hologram, and a lack of a dependence of the diffracted intensity on the polarization of the readout beam.Keywords
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