Long-term readout memory realized in a Bi12TiO20 crystal

D. Tonchev; Svetla Zhivkova; Vera Marinova; Nikola Metchkarov

doi:10.1117/12.347656

7 May 1999 Long-term readout memory realized in a Bi₁₂TiO₂₀ crystal

D. Tonchev, Svetla Zhivkova, Vera Marinova, Nikola Metchkarov

Proceedings Volume 3571, Tenth International School on Quantum Electronics: Laser Physics and Applications; (1999) https://doi.org/10.1117/12.347656
Event: 10th International School on Quantum Electronics: Lasers: Physics and Applications, 1998, Varna, Bulgaria

Abstract

Holographic characteristic of not-fixed and fixed holographic records in Bi₁₂TiO₂₀ crystal has been investigated. A long-term readout photorefractive memory, implemented in this crystal, has been proposed and demonstrated. The effect is achieved by reading the recorded and fixed hologram with a low-intensity light wave and by additionally amplifying the reconstructed image. Recording and amplification are performed in one and the same crystal. A good quality of the reconstructed image is demonstrated after 60 min of continuous readout of the photorefractive grating.

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D. Tonchev, Svetla Zhivkova, Vera Marinova, and Nikola Metchkarov "Long-term readout memory realized in a Bi₁₂TiO₂₀ crystal", Proc. SPIE 3571, Tenth International School on Quantum Electronics: Laser Physics and Applications, (7 May 1999); https://doi.org/10.1117/12.347656

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