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Mg, Fe co-doped near-stoichiometric lithium tantalate (SLT) crystals were successfully
grown by the zone-leveling Czochralski (ZLCz) technique and the holographic properties …

为了解决读出过程中全息数据的擦除问题, 研究了新型双掺杂LiNbOa: Fe: Ru
晶体的全息读出特性. 分析了双中心和单中心记录方案光栅的读出特性, 并联立双中心物质方程 …

利用一维耦合波理论研究了入射方向相互垂直的一束平面波与一束柱面波干涉形成光折变局域
体全息光栅的波前转换情况. 给出了透射波和衍射波振幅的解析表达式. 讨论了该局域体全息 …

对光折变全息记录特别是双中心全息记录中90 记录结构下较低的衍射效率进行了研究,
采用局域衍射理论对90 记录结构的衍射进行了分析, 表明在同样的折射率变化和2mm …

The general idea of holographic optical data storage (HODS) is briefly introduced. Based on
the recent advances of HODS, the key techniques and the challenges of HODS are …

A simple method of rotating an optical fiber bundle is presented to apply the random-pattern
referencing scheme to hologram multiplexing. In the theoretical study, a dependence of the …

The increasing demand for high density storage devices has led to innovative data
recording paradigms like optical holographic memories and patterned media. In holographic …

针对90° 全息记录结构的特殊性, 在记录和读出阶段分别施加不同极性的外加电场, 实现了Fe:
LiNbO3 晶体中高衍射效率的全息记录和读出. 在库赫塔列夫(Kukhtarev) 方程基础上引入两维 …

In this paper, a new approach is proposed to realize a lens-less and 90° light-bending by a
volume-holographic element, consisting of 3D sub-wavelength index-gratings throughout …