| 中间段光折变晶体材料参数的测量原理 |
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| 引用本文： | 吉选芒,王金来,刘劲松,安毓英.中间段光折变晶体材料参数的测量原理[J].激光技术,1999,23(3):165-167. |
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| 作者姓名： | 吉选芒 王金来 刘劲松 安毓英 |
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| 作者单位： | 1.山西运城高等专科学校物理系, 运城, 044000; |
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| 摘 要： | 提出了中间段光折变晶体材料参数的测量原理。利用公开报道的关于Ce:KNSBN双光束耦合的实验数据计算了该晶体的材料参数。实验与理论结果相吻合。
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| 关 键 词： | 光折变效应 材料参数 双光束耦合 |
| 收稿时间： | 1998-04-14 |
| 修稿时间： | 1998-04-14 |
Measuring principle of materials parameters of photorefractive crystal in intermediate regime |
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| Ji Xuanmang,Wang Jinlai,Liu Jinsong,An Yuying.Measuring principle of materials parameters of photorefractive crystal in intermediate regime[J].Laser Technology,1999,23(3):165-167. |
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| Authors: | Ji Xuanmang Wang Jinlai Liu Jinsong An Yuying |
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| Abstract: | The two-wave coupling is a fundamental
and important photorefractive effect.Till now,many papers have studied the saturation
effect of the gain coefficient of the photorefractive crystal.The studies found that the
gain coefficient G varies with the increasing of the light intensity I,and goes through
three stagescut-off,increasing and saturation regime.This paper formulated a set of
experessions of materials parameters and presents the measuring principles of materials
parameters of photorefractive crystal in intermediate regime,namely increasing regime.The
experimental results are in accord with the theoretical analysis. |
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| Keywords: | photorefractive effect material parameters two-wave coupling |
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