Optical holographic memory using angular-rotationally phase-coded multiplexing in a LiNbO3:Fe crystal

被引：0
|
作者：
C.C. Chang
K.L. Russell
G.W. Hu
机构：
[1] Department of Applied Physics,
[2] Chung Cheng Institute of Technology,undefined
[3] National Defense University,undefined
[4] Tahsi,undefined
[5] Taoyuan 33509,undefined
[6] Taiwan,undefined
[7] R.O.C.,undefined
[8] Department of Physics and Astronomy,undefined
[9] Virginia Military Institute,undefined
[10] Lexington,undefined
[11] Virginia,undefined
[12] USA,undefined
来源：
Applied Physics B | 2001年 / 72卷
关键词：
PACS: 42.40.Ht; 42.65.Hw; 42.70.Ln;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We propose a new holographic memory scheme based on random-phase-coded multiplexing in a photorefractive LiNbO3:Fe crystal. Experimental results show that rotating a diffuser placed as a random-phase modulator in the path of the reference beam provides a simple yet effective method of increasing the holographic storage capabilities of the crystal. Combining this rotational multiplexing with angular multiplexing offers further data-storage possibilities. The advantage of using post-image versus pre-image phase modulation of the object beam is demonstrated.
引用
收藏
页码：307 / 310
页数：3
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