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首页> 外文会议>International Conference on Photorefractive Effects, Materials, and Devices >Effect of annealing treatment on two-color holographic storage performance in Mn-doped near-stoichiometric LiNbO_(3) crystals
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Effect of annealing treatment on two-color holographic storage performance in Mn-doped near-stoichiometric LiNbO_(3) crystals

机译：退火处理对Mn掺杂附近的近代近代近代LINBO_（3）晶体中的双色全息储存性能的影响

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摘要

Near-stoichiometric LiNbO_(3) crystals doped with 50 ppm Mn were grown by the top-seeded solution method. Two-color holographic recording was performed with a near-IR laser of 778 nm for writing and a violet laser of 407 nm for gating. The crystals were annealed in three different oxidation/reduction atmospheres. Holographic storage properties, two-color recording, sensitivity, dynamic range M/#, activity energy and dark decay time were measured and compared. These results were explained reasonably by measuring characteristic parameters, OH~(-) absorption, induced absorption change, and lifetime of small polaron τ_(s) of these crystals.
机译：掺杂50ppm Mn的近代的近代的LINBO_（3）晶体由顶播的溶液方法生长。用778nm的近红外激光进行双色全息记录，用于写入和407nm的紫光激光器，用于门控。在三种不同的氧化/还原环境中退火晶体。测量和比较了全息存储特性，双色记录，灵敏度，动态范围M /＃，活动能量和暗衰减时间。通过测量特征参数，oh〜（ - ）吸收，诱导的吸收变化和这些晶体的小极化型τ___（s）的寿命来合理地解释这些结果。

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