Vernier effect of fiber interferometer based on cascaded PANDA polarization maintaining fiber

被引：1
|
作者：
刘顺 [1 ]
鲁平 [1 ]
陈恩慈 [1 ]
倪文军 [1 ]
刘德明 [1 ]
张江山 [2 ]
廉正刚 [3 ]
机构：
[1] School of Optical and Electronic Information, National Engineering Laboratory for Next Generation Internet Access System, Huazhong University of Science and Technology
[2] Department of Electronics and Information Engineering, Huazhong University of Science and Technology
来源：
ChineseOpticsLetters | 2019年 / 17卷 / 08期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
PMF; Vernier effect of fiber interferometer based on cascaded PANDA polarization maintaining fiber; PANDA;
D O I：
暂无
中图分类号：
TN253 [光纤元件]; TP212 [发送器（变换器）、传感器];
学科分类号：
080202 ;
摘要：
This Letter shows the Vernier effect based on two segments of PANDA polarization maintaining fiber(PMF),whose lengths are 28 and 23 cm, respectively. The two PMFs are spliced together, and the angle between the fast axes is set to 45°. This cascaded PMF is inserted in a Sagnac loop to form an interferometer that can generate the Vernier effect. The spectrum consists of finesse fringe and envelope and realizes simultaneous measurement of strain and temperature. The envelope can provide strain and temperature sensitivities of 58.0 pm/με and -1.05 nm/℃. The finesse fringe provides sensitivities of 5.9 pm/με and -1.36 nm/℃.
引用
收藏
页码：15 / 19
页数：5
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