In-fiber modal interferometer based on dual-concentric-core photonic crystal fiber and its strain, temperature and refractive index characteristics

被引：16
作者：
Chen, Weiguo [1 ]
Lou, Shuqin [1 ]
Wang, Liwen [1 ]
Feng, Suchun [1 ]
Zou, Hui [1 ]
Lu, Wenliang [1 ]
Jian, Shuisheng [1 ]
机构：
[1] Beijing Jiaotong Univ, Inst Lightwave Technol, Beijing 100044, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2011年 / 284卷 / 12期
基金：
美国国家科学基金会;
关键词：
Dual-concentric-core photonic crystal fiber; Modal interferometer; High-order ring mode; SENSOR; COMPENSATION;
D O I：
10.1016/j.optcom.2011.02.019
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An in-fiber modal interferometer is demonstrated by splicing a section of homemade dual-concentric-core photonic crystal fiber (DCCPCF) and two segments of single-mode fibers (SMFs) with collapsing the air holes in the splice regions. By analyzing the transmission spectra and the spatial frequency spectra of the interferometers, it's observed that the main interfering modes are the high-order ring modes, which are different from the previously reported interferometers using the single-, few- or multi-mode fibers. The influences of the lengths of DCCPCF and the first collapsed region on the interferometers were investigated experimentally. The strain, temperature and refractive index characteristics of the interferometer were analyzed. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：2829 / 2834
页数：6
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