Nonvolatile holographic storage in triply doped LiNbO3:Hf, Fe, Mn crystals

被引：6
作者：
Li Xiao-Chun [1 ]
Qu Deng-Xue [1 ]
Zhao Xue-Jiao [1 ]
Meng Xue-Juan [1 ]
Zhang Ling-Ling [1 ]
机构：
[1] Taiyuan Univ Technol, Dept Phys & Optoelect, Inst Optoelect Engn, Taiyuan 030024, Peoples R China
来源：
CHINESE PHYSICS B | 2013年 / 22卷 / 02期
关键词：
holography; nonvolatile; photorefractive material; lithium niobate; sensitivity; PHOTOREFRACTIVE PROPERTIES; SENSITIVITY; SCATTERING; DEFECTS;
D O I：
10.1088/1674-1056/22/2/024203
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
It has been suggested to use LiNbO3:Fe, Mn crystal for solving the problem of information volatility during the read-out process with all-optical facilities, but the minute order response time is far from the requirements for the real-time information processing. We present the nonvolatile holographic storage properties of LiNbO3:Hf, Fe, Mn. The response time is shortened to 5.0 s, and the sensitivity S 0 is enhanced to 0.22 cm/J in this triply doped crystal. The experimental results show that the HfO2 doping threshold is 5.0 mol.%. Thus it seems that we have found a useful tetravalent dopant for LiNbO3:Fe, Mn that can obviously improve the nonvolatile holographic recording sensitivity.
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页数：4
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