Bending characteristics of dual-hole PM-PCF based on LP01 and LP11 modal interference

被引：0
作者：
Guo X. [1 ]
Liu F. [1 ]
Gao M.-Y. [1 ]
Tan A.-L. [1 ]
Fu X.-H. [1 ]
Bi W.-H. [1 ]
机构：
[1] The Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province, School of Information Science and Engineering, Yanshan University, Qinhuangdao
来源：
Optoelectronics Letters | 2016年 / 12卷 / 2期
基金：
中国国家自然科学基金;
关键词：
A;
D O I：
10.1007/s11801-016-6002-9
中图分类号：
学科分类号：
摘要：
The bending characteristics of dual-hole polarization maintaining photonic crystal fiber (PM-PCF) are demonstrated in this paper. The modal interference is induced by the LP01 mode and LP11 mode propagating in a single PM-PCF with the same polarization direction. Simulation results demonstrate that the bending radius induces the phase difference between LP01 mode and LP11 mode, which leads to the change of light interference intensity on the fiber output facet. The relationship between bending radius and normalized interference intensity with three different bending angles is discussed, where the bending angle is defined as the angle between hole axis and the x axis. The bending sensitivity is obtained to be about −188.78/m around the bending radius of 1.5 cm with the bending angle of 90°. The bending characteristics can contribute for online bending detection in widespread areas. © 2016, Tianjin University of Technology and Springer-Verlag Berlin Heidelberg.
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页码：136 / 139
页数：3
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