Type

Conference Proceedings

Authors

Arun Mallik
Gerald Farrell
Yuliya Semenova
Dejun Liu
Fangfang Wei

Subjects

Physics

Topics
magnetic field strength microfiber coupler magnetic fluid sagnac loop fiber laser sensor fiber bragg grating engineering temperature sensor

Simultaneous Measurement of Both Magnetic Field Strength and Temperature with a Microfiber Coupler Based Fiber Laser Sensor (2017)

Abstract In this paper we propose and investigate a novel magnetic field sensor based of a ring erbium-doped fiber laser combined with a fiber Bragg grating and a Sagnac loop containing a microfiber coupler and magnetic fluid. In addition to the magnetic field sensing capability, the proposed structure can simultaneously provide temperature information. Thanks to the dual-ring structure of the MFC-Sagnac loop and the FBG-assisted resonant cavity, the output has two distinct laser peaks. Experimentally demonstrated magnetic field sensitivity of one of the laser peaks is 15 pm/mT in the magnetic field range from 0 to 100 mT. The spectral position of the second laser peak is independent on the magnetic field but shifts towards long wavelengths with a sensitivity of 13 pm/°C.
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Full list of authors on original publication

Arun Mallik, Gerald Farrell, Yuliya Semenova, Dejun Liu, Fangfang Wei

Experts in our system

1
Arun Mallik
TU Dublin
Total Publications: 26
 
2
Gerald Farrell
TU Dublin
Total Publications: 212
 
3
Yuliya Semenova
TU Dublin
Total Publications: 136
 
4
Dejun Liu
TU Dublin
Total Publications: 24
 
5
Fangfang Wei
TU Dublin
Total Publications: 8