Two-wavelength reversible holograms in azo-dye doped nematic liquid crystals
- 7 June 1993
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 62 (23), 2920-2922
- https://doi.org/10.1063/1.109197
Abstract
We describe reversible holographic effects in azo-dye doped liquid crystals. Surface-stabilized holograms are recorded at 514 nm using beams polarized parallel to the molecular director of the liquid crystals. While these holograms persist for several hours in the dark, complete erasure is achieved in a few seconds by exposure to 337 nm light.Keywords
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