Nonvolatile holographic storage with two-step recording in lithium niobate using cw lasers

被引：101
|
作者：
Bai, YS
Kachru, R
机构：
[1] Molecular Physics Lab, SRI International, Menlo Park, CA
来源：
PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 15期
关键词：
D O I：
10.1103/PhysRevLett.78.2944
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have demonstrated nonvolatile holographic storage with two-photon, two-step recording in nominally pure lithium niobate. An energy level slightly below the conduction band with lifetime 10-100 ms was found to be the intermediate state in the two-step electron ionization. The long lifetime allowed the use of cw lasers with moderate intensity at near infrared wavelengths. Nonvolatile readout of volume holographic images stored at near infrared wavelength was demonstrated.
引用
收藏
页码：2944 / 2947
页数：4
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