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

页码：307 / 310

页数：3

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