| 多模单晶光纤中光致折变光栅的形成及其特性 |
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| 引用本文： | 徐森禄,朱列伟,瓦莱,莱沙.多模单晶光纤中光致折变光栅的形成及其特性[J].浙江大学学报(自然科学版 ),1995(2). |
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| 作者姓名： | 徐森禄 朱列伟 瓦莱 莱沙 |
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| 作者单位： | 浙江大学，加拿大拉瓦尔大学 |
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| 基金项目： | 国家自然科学基金,加拿大拉瓦尔大学物理系光学中心的资助 |
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| 摘 要： | 应用全息术在商品化的二氧化硅单模光纤中记录光致折变光栅已作了大量研究．本文以实验证实通常的全息术亦可在多模ＬｉＮｂＯ３单晶光纤中记录此类光致折变光栅．本文指达实验装置、技术及测试结果；并对之作出理论分析．实验中发现，用此种技术可获得半宽度２．２纳米，反射系数达５０％的窄带反射滤光片．
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| 关 键 词： | 单晶光纤 光栅 光致折变效应 |
Formation and properties of photorefractive index grating in the multimode monocrystal fibers |
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| Xu Senlu, Zhu Liewei.Formation and properties of photorefractive index grating in the multimode monocrystal fibers[J].Journal of Zhejiang University(Engineering Science),1995(2). |
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| Authors: | Xu Senlu Zhu Liewei |
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| Abstract: | Photorefractive index gratings recorded by holography in the commercial silica single modefiber have been considerably studied. In this paper,we experimentally demonstrate this kind ofgratings in multimode LiNbO3 monocrystal fiber written by ordinary holographic method.Experimental setup,techniques,and measuring results are presented as well as theoretical analyses.According to our observation,a narrow-bandwidth reflective filter with 2. 2nm. half-bandwidth and 0. 5 reflective coefficient is obtained by this technology. |
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| Keywords: | monocrystal fiber grating photorefractive effect |
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