Investigation of recording density increase using a multilayered holographic carrier

D. M. Abakoumov; Nariman A. Ashurbekov; A. V. Burgomistrov; Emin H. Gulanian; Andrei L. Mikaelian

doi:10.1117/12.262664

27 December 1996 Investigation of recording density increase using a multilayered holographic carrier

D. M. Abakoumov, Nariman A. Ashurbekov, A. V. Burgomistrov, Emin H. Gulanian, Andrei L. Mikaelian

Proceedings Volume 2969, Second International Conference on Optical Information Processing; (1996) https://doi.org/10.1117/12.262664
Event: Second International Conference on Optical Information Processing, 1996, St. Petersburg, Russian Federation

Abstract

The multi-layered structure of the data storage is proposed for the holographic carrier recording density increase. The noises arousing from the diffraction of both the reconstructing beam and the reconstructed signals on the holograms of the neighboring layers are taken into consideration during the assessment of the resulting signal- to-noise ratio. It is concluded that with an appropriate diaphragm and layers geometry, as well as with sufficiently low holograms diffraction efficiency in layers, it is possible to increase the carrier information capacity in several times without essential deterioration of the read- out quality.

Citation Download Citation

D. M. Abakoumov, Nariman A. Ashurbekov, A. V. Burgomistrov, Emin H. Gulanian, and Andrei L. Mikaelian "Investigation of recording density increase using a multilayered holographic carrier", Proc. SPIE 2969, Second International Conference on Optical Information Processing, (27 December 1996); https://doi.org/10.1117/12.262664

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