HOLOGRAPHIC PATTERN FIXING IN ELECTRO-OPTIC CRYSTALS
- 15 June 1971
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 18 (12) , 540-542
- https://doi.org/10.1063/1.1653530
Abstract
This paper describes the results of an investigation into techniques for obtaining erasure resistant holograms in electro‐optic crystals. The most successful approach made use of thermally activated ionic drift during or after recording. The samples are heated for about 30 min at 100°C to obtain optically nonerasable holograms with as much as 50% diffraction efficiency in LiNbO3 or in doped Ba2NaNb5O15.Keywords
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