Highly Sensitive Dual Parameter Sensor Based on a Hybrid Structure with Multimode Interferometer and Fiber Bragg Grating Fabricated by Femtosecond Laser

Highly Sensitive Dual Parameter Sensor Based on a Hybrid Structure with Multimode Interferometer and Fiber Bragg Grating Fabricated by Femtosecond Laser

A hybrid sensing configuration for simultaneous measurement of strain and temperature based on fiber Bragg grating (FBG) written in an offset multimode fiber (MMF) interferometer using femtosecond laser pulse is proposed and demonstrated. A Mach–Zehnder interferometer is formed by splicing a section...

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Bibliographic Details
Main Authors: Xinran Dong, Li Zeng, Dongkai Chu, Xiaoyan Sun
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Sensors
Subjects:
MMF interferometer
femtosecond laser
FBG
dual-parameter sensing
Online Access:https://www.mdpi.com/1424-8220/21/17/5938

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