| 熔锥型光纤耦合器损耗分析 |
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| 引用本文： | 柳春郁 余有龙 高应俊. 熔锥型光纤耦合器损耗分析[J]. 激光杂志, 2004, 25(5): 43-44 |
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| 作者姓名： | 柳春郁 余有龙 高应俊 |
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| 作者单位： | 中国科学院西安光学精密机械研究所,西安,710068;黑龙江大学光纤技术研究所,哈尔滨,150080;中国科学院研究生院,北京,100039;黑龙江大学光纤技术研究所,哈尔滨,150080;中国科学院西安光学精密机械研究所,西安,710068;暨南大学物理系,广州,510632 |
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| 基金项目： | 国家自然科学基金委员会与中国节能投资公司联合研究基金 (批准号 :60 1770 2 9)，黑龙江省 2 0 0 1年杰出青年基金，黑龙江省教育厅科技项目 (批准号 :10 5 3 1Z0 10和 10 5 3 113 2 )，黑龙江大学 2 0 0 3年青年基金 (批准号 :Q2 0 0 3 2 9)资助 |
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| 摘 要： | 利用几何光学理论对光纤耦合器的损耗进行分析 ;当环境介质折射率发生变化时光纤耦合器的损耗随之变化 ,理论推导损耗与环境介质折射率的关系公式 ,实验中利用OTDR检测反射光实现环境介质折射率变化的监测 ,利用拉锥机监视损耗的变化 ,得到的实验值与公式计算值基本吻合 ,证实了耦合器锥区环境介质折射率恒定是高质量耦合器的保证
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| 关 键 词： | 光纤耦合器 额外损耗 熔锥 |
| 文章编号： | 0253-2743(2004)05-0043-02 |
| 修稿时间： | 2004-01-20 |
Analysis of the excess loss of fused-tapered optical fiber coupler |
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| LIU Chun-yu ,,,YU You-long ,GAO Ying-jun , .Xian Institute of Optics and Precision Mechanics,Xian ,China,.Research Institute of Fiber Optics,Heilongjiang University,Harbin ,China, .Graduate School of the Chinese Academy of Sciences,Beijing,,China,.Physics Deparment,Jinan University,Guangzhou ,China. Analysis of the excess loss of fused-tapered optical fiber coupler[J]. Laser Journal, 2004, 25(5): 43-44 |
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| Authors: | LIU Chun-yu YU You-long GAO Ying-jun .Xian Institute of Optics Precision Mechanics Xian China .Research Institute of Fiber Optics Heilongjiang University Harbin China .Graduate School of the Chinese Academy of Sciences Beijing China .Physics Deparment Jinan University Guangzhou China |
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| Affiliation: | LIU Chun-yu 1,2,3,YU You-long 2,GAO Ying-jun 1,4 1.Xian Institute of Optics and Precision Mechanics,Xian 710068,China,2.Research Institute of Fiber Optics,Heilongjiang University,Harbin 150080,China, 3.Graduate School of the Chinese Academy of Sciences,Beijing,100039,China,4.Physics Deparment,Jinan University,Guangzhou 510632,China |
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| Abstract: | Utilizing the geometrical theory,the excess loss in fused tapered optical fiber coupler is analyzed.The loss is related with the ambient refractive index,and the relation is obtained.The optical time domain reflectometer is used to monitor the variation of the ambient refractive index.And variation of the coupler loss is detected by the coupler manufacture machine.The experiment value is agreed with the theory value.Experiments demonstrate that the constant ambient refractive index is the assurance for making high quality coupler. |
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| Keywords: | optical fiber coupler excess loss fused tapered |
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