空芯光纤输出能量分布及其应用的研究

堵久辉; 侯蓝田; 李绍胜; 杨义; 周桂耀; 侯峙云

中国激光, 2004, 31 (10): 1261, 网络出版: 2006-06-12

空芯光纤输出能量分布及其应用的研究

Theories and Applications on Output Energy Distribution of Hollow Fiber

论文大纲

堵久辉 ^1,2,*侯蓝田 ¹李绍胜 ²杨义 ¹周桂耀 ¹侯峙云 ¹

作者单位

¹ 燕山大学红外光纤与传感研究所, 河北秦皇岛 066004

² 北京邮电大学电信工程学院,北京 100876

导波光学空芯光纤能量分布模式纯度耦合 guided wave optics hollow fiber energy distribution mode purity coupling

摘要

空芯光纤纤芯内场强分布一直是研究热点,在某些限定条件下可通过光纤输出能量分布近似。提出了一种空芯传能光纤输出能量分布的简便测量方法,通过试验测量结果分析了输出能量分布在光纤模式纯度估算和光纤耦合状态检测两方面的应用,最后通过实验讨论了输出光束腰问题,对不同全内反射(ATR)空芯光纤所得结果进行了比较。

Abstract

The electromagnetic distribution in hollow fiber always is one of key research points of hollow waveguide. Under certain hypotheses, the energy distribution of output laser passed through hollow waveguide seems to reflect the electromagnetic distribution in hollow fiber, but the conventional measurement approaches are much complex and the device is too expensive. A simple and effective method for measuring the energy distribution and its applications on mode purity analysis and coupling status detection of hollow waveguide are introduced in this paper. Finally, the output beam waist problem for a beam passing through a hollow fiber is discussed and the output beam focus of different hollow fibers is measured.

参考文献

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堵久辉, 侯蓝田, 李绍胜, 杨义, 周桂耀, 侯峙云. 空芯光纤输出能量分布及其应用的研究[J]. 中国激光, 2004, 31(10): 1261. 堵久辉, 侯蓝田, 李绍胜, 杨义, 周桂耀, 侯峙云. Theories and Applications on Output Energy Distribution of Hollow Fiber[J]. Chinese Journal of Lasers, 2004, 31(10): 1261.

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