The MOE Key Laboratory of Weak-Light Nonlinear Photonics and TEDA Applied Physical School,Nankai University, Tianjin 300457, China.
Opt Lett. 2009 Dec 15;34(24):3896-8. doi: 10.1364/OL.34.003896.
Iron and manganese doubly doped LiNbO(3) (LN:Fe,Mn) has been suggested for nonvolatile photorefractive recording; however, its response time is still of the order of minutes. Here we present results on LiNbO(3) triply doped with zirconium, iron, and manganese (LN:Zr,Fe,Mn). The codoping with Zr eliminates undesirable intrinsic traps, which strongly enhances the charge transition speed. The response time of LN:Zr,Fe,Mn for nonvolatile holographic storage shortens to only 0.95 s (wavelength of 532 nm and intensity of 400 mW/cm(2)), and the sensitivity reaches 1.31 cm/J. Thus it seems that we have found an excellent recording medium for practical holographic storage devices.
铁和锰双掺杂的 LiNbO(3)（LN:Fe,Mn）被提议用于非易失性光折变记录；然而，其响应时间仍然在几分钟的量级。在这里，我们提出了用锆、铁和锰三重掺杂 LiNbO(3)（LN:Zr,Fe,Mn）的结果。Zr 的共掺杂消除了不需要的本征陷阱，这强烈地提高了电荷跃迁速度。LN:Zr,Fe,Mn 用于非易失性全息存储的响应时间缩短到仅 0.95 s（波长为 532nm，强度为 400mW/cm(2)），灵敏度达到 1.31cm/J。因此，我们似乎已经找到了一种用于实际全息存储设备的优秀记录介质。
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