Tianfeng Zhao, Pengpeng Cui, Fuxiang Wang, Changqing Huang. Optical Fiber Temperature Sensor Based on Random Laser[J]. Laser & Optoelectronics Progress, 2022, 59(11): 1106004
- Laser & Optoelectronics Progress
- Vol. 59, Issue 11, 1106004 (2022)
Fig. 1. Diagram of experimental setup of optical fiber temperature sensor
Fig. 2. Output results of laser. (a) Output spectra under different pump powers; (b) output power characteristic curve; (c) reflection and transmission spectra of the FBG; (d) output spectra under different pump powers with left end as output end
Fig. 3. Laser output spectrum recorded every 240 s under 300 mW pump power
Fig. 4. Output spectra measured at different temperatures. (a) Heating; (b) cooling
Fig. 5. Central wavelength of sensor as a function of temperature
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