Dual-wavelength all-fiber erbium-doped laser based on few-mode tilted fiber Bragg grating for torsion sensor
- Resource Type
- Conference
- Authors
- Yuan, Shuomin; Cui, Bingnan; Jia, Sumei; Liang, Shuo; Liang, Lili; Yang, Kang
- Source
- 2021 Asia Communications and Photonics Conference (ACP) Communications and Photonics Conference (ACP), 2021 Asia. :1-3 Oct, 2021
- Subject
- Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Fields, Waves and Electromagnetics
Photonics and Electrooptics
Power, Energy and Industry Applications
Signal Processing and Analysis
Optical fiber polarization
Bragg gratings
Optical fiber sensors
Sensitivity
Asia
Erbium-doped fiber lasers
Optical fiber communication
- Language
Torsion sensor based on dual-wavelength laser is proposed. By analyzing the laser intensity difference of two wavelengths in 1550.95 nm and 1552.53 nm, the sensitivity of 3.53 dB/(rad/m) from -1.99rad/m to 2.65 rad/m is achieved.