Multiple optical information recording in a Bi12SiO20 crystal.
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概要
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Quantitative evaluation of optical information storage capacity in a photorefractive material Bi<SUB>12</SUB>SiO<SUB>20</SUB> was made experimentally. Methods are presented for simultaneous and successive multiple information recording in the same volume of Bi<SUB>12</SUB>SiO<SUB>20</SUB> crystal. The phenomenon of cross-talks between two phase holograms was investigated by continuously changing the angle of the reference beam. The minimum angle between two recording pump beams without cross-talks that determine the packing density of phase holograms in the crystal, was found to be of the order of submilliradians.
- 社団法人 レーザー学会の論文
社団法人 レーザー学会 | 論文
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