Bending characteristics of dual-hole PM-PCF based on LP01 and LP11 modal interference
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- 作者：Xuan Guo 郭璇 ; Feng Liu 刘丰 ; Meng-yuan Gao 高梦嚿/a> ; Ai-ling Tan 谈爱猿/a>…
- 刊名：Optoelectronics Letters
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：12
- 期：2
- 页码：136-139
- 全文大小：668 KB
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Feng Liu 刘丰 (1)
Meng-yuan Gao 高梦圆 (1)
Ai-ling Tan 谈爱玲 (1)
Xing-hu Fu 付兴虎 (1)
Wei-hong Bi 毕卫红 (1)
1. The Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province, School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, China - 刊物类别：Physics and Astronomy
- 刊物主题：Physics
Applied Optics, Optoelectronics and Optical Devices
Chinese Library of Science - 出版者：Tianjin University of Technology, co-published with Springer-Verlag GmbH
- ISSN：1993-5013
文摘
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.