A study of bending effect on the femtosecond-pulse inscribed fiber Bragg gratings in a dual-core fiber

被引：15
|
作者：
Yakushin, Sergey S. [1 ]
Wolf, Alexey A. [1 ,2 ]
Dostovalov, Alexandr V. [1 ,2 ]
Skvortsov, Mikhail I. [1 ,2 ]
Wabnitz, Stefan [1 ,3 ,4 ]
Babin, Sergey A. [1 ,2 ]
机构：
[1] Novosibirsk State Univ, 1 Pirogova Str, Novosibirsk, Russia
[2] Inst Automat & Electrometry SB RAS, 1 Koptyug Ave, Novosibirsk, Russia
[3] Univ Brescia, Dipartimento Ingn Informaz, Via Branze 38, I-25123 Brescia, Italy
[4] INO CNR, Via Branze 38, I-25123 Brescia, Italy
来源：
OPTICAL FIBER TECHNOLOGY | 2018年 / 43卷
关键词：
D O I：
10.1016/j.yofte.2018.04.001
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Fiber Bragg gratings with different reflection wavelengths have been inscribed in different cores of a dual-core fiber section. The effect of fiber bending on the FBG reflection spectra has been studied. Various interrogation schemes are presented, including a single-end scheme based on a cross-talk between the cores that uses only standard optical components. Simultaneous interrogation of the FBGs in both cores allows to achieve a bending sensitivity of 12.8 pm/m(-1), being free of temperature and strain influence. The technology enables the development of real-time bending sensors with high spatial resolution based on series of FBGs with different wavelength inscribed along the mull-core fiber.
引用
收藏
页码：101 / 105
页数：5
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