Optics express
Demodulation of overlapping FBG spectra for temperature sensing using a free-running dual-comb fiber laser.
Jianjun Yang, Zeyang Zhang, Qingzhu Hu, Yongzheng Tao, Gensen Yang, Haiyang Wang, Guowen An, Pinggang Jia
Published: 202510.1364/OE.570428
Abstract
Demodulating changes in the Bragg wavelength of wavelength division multiplexed (WDM) fiber Bragg grating (FBG) arrays presents a practical approach for multi-point temperature sensing in extreme conditions. Traditional methods struggle with overlapp…
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