High-sensitive holographic storage in Ce-doped SBN
- 15 June 1977
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 30 (12) , 631-633
- https://doi.org/10.1063/1.89287
Abstract
High optical sensitivity is observed in 0.1 wt% Ce‐doped strontiumbariumniobate (SBN) crystals in the absence of an external electric field. Only 5–10 mJ/cm2 of incident 0.488‐μm radiation is required to produce 10% diffraction efficiency, while the energy to erase holograms from the 80% to its 1/ediffraction efficiency level is 30–40 mJ/cm2 at the same wavelength. Holograms stored in Ce‐doped SBN persist at least one month (decay time constant) if kept in the dark at room temperature.Keywords
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