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Investigation of the growth and holographic storage properties of Fe:LiTaO_3 crystal

【摘要】 The LiTaO_3 crystal doped with 0.03 wt% Fe_2O_3 was grown in a diameter-controlled Czochraski equipment using Si-Mo bar heater furnace. The photo-damage resistance ability, exponential gain coefficient, diffraction efficiency and response time of Fe:LiTaO_3 and Fe:LiNbO_3 crystals were measured. The measured results showed that the photo-damage resistance ability of Fe:LiTaO_3 crystal was as much as 5 times higher than that of Fe:LiNbO_3, the response speed of Fe:LiTaO_3 crystal was improved one order of magnitude than that of Fe:LiNbO_3, and the exponential gain coefficient and diffraction efficient of Fe:LiTaO_3 crystal were smaller than that of Fe:LiNbO_3, respectively. Using Fe:LiTaO_3 crystal as recording medium, the obtained image was clear and complete in the holographic associative memory experiment using self-pump phase conjugate reflector.

【会议名称】 Advances in Optical Data Storage Technology

【会议地点】Beijing(CN)

【作者】 Caixia Liu; Tao Zhang; Shouzhi Zhao;

【作者单位】 Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China;

【会议组织】

【会议召开年】 2004

【页码】P.382-386

【总页数】5

【原文格式】PDF

【正文语种】eng

【中图分类】TP333.4;

【原文服务方】国家工程技术数字图书馆

【关键词】Fe:LiTaO_3;holographic storage;exponential gain coefficient;

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