| 半椭球形和子弹头形光纤传感探头的耦合特性 |
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| 引用本文： | 郝建军,滕爱萍,张广才,李汉明.半椭球形和子弹头形光纤传感探头的耦合特性[J].强激光与粒子束,2004,16(5):551-554. |
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| 作者姓名： | 郝建军 滕爱萍 张广才 李汉明 |
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| 作者单位： | 1.中国矿业大学基础学院 物理教研室，北京 100083; 2.北京应用物理与计算数学研究所，北京 100088 |
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| 基金项目： | 国家博士点基金资助课题(2000029008);国家自然科学基金资助课题(50374069) |
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| 摘 要： | 利用光路追踪程序，对于不同光纤参数条件下半椭球形和子弹头形光纤传感探头的耦合特性进行了研究。研究结果表明：对于半椭球形探头，当长短轴之比在1.15和1.3附近时存在一个耦合最佳结构；而对于子弹头形探头，仅变成圆形时为最佳。这两种探头容易制作，半椭球形探头的耦合效率高于子弹头形。
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| 关 键 词： | 光纤传感器 液位计 探头 耦合效率 |
| 文章编号： | 1001-4322(2004)05-0551-04 |
| 收稿时间： | 2003/9/1 |
| 修稿时间： | 2003年9月1日 |
Coupling characteristic on elliptic prohe and bullet probe of the optical fiber |
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| HAO Jian-jun,TENG Ai-ping,ZHANG Guang-cai,LI Han-ming.Coupling characteristic on elliptic prohe and bullet probe of the optical fiber[J].High Power Laser and Particle Beams,2004,16(5):551-554. |
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| Authors: | HAO Jian-jun TENG Ai-ping ZHANG Guang-cai LI Han-ming |
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| Institution: | 1.Department of Physics, China University of Mining and Technology, Beijing 100083, China;2.Institute of Applied Physics and Computational Mathematics, P.O.Box 8009, Beijing 100088, China |
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| Abstract: | Using a ray-tracing code, the coupling characteristics on both elliptic probe and bullet probe are simulated and investigated for different parameter of the optical fiber. The results show that there is an optimal structure while the ratio between the long-axis and short-axis of elliptic probe is about 1.15 and 1.3, and the bullet probe has the optimal structure when it is a half ball. The elliptic probe is obviously more practical than the bullet probe in manufacturing process. |
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| Keywords: | Optical fiber sensor Liquid-level Probe Coupling efficiency |
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