Scientific Results

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

Year: 2018

Authors: Yakushin SS., Wolf AA., Dostovalov AV., Skvortsov MI., Wabnitz S., Babin SA.

Autors Affiliation: [Yakushin, Sergey S.; Wolf, Alexey A.; Dostovalov, Alexandr V.; Skvortsov, Mikhail I.; Wabnitz, Stefan; Babin, Sergey A.] Novosibirsk State Univ, 1 Pirogova Str, Novosibirsk, Russia.
[Wolf, Alexey A.; Dostovalov, Alexandr V.; Skvortsov, Mikhail I.; Babin, Sergey A.] Inst Automat & Electrometry SB RAS, 1 Koptyug Ave, Novosibirsk, Russia.
[Wabnitz, Stefan] Univ Brescia, Dipartimento Ingn Informaz, Via Branze 38, I-25123 Brescia, Italy and INO CNR, Via Branze 38, I-25123 Brescia, Italy.

Abstract: 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

Journal/Review: OPTICAL FIBER TECHNOLOGY

Volume: 43      Pages from: 101  to: 105

KeyWords: Electromagnetic pulse; Fiber Bragg gratings, Bending effect; Bending sensors; Dual-core fibers; Fiber bending; High spatial resolution; Optical components; Reflection spectra; Single ends; Fibers
DOI: 10.1016/j.yofte.2018.04.001

Citations: 9
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2021-10-17
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