Laser & Optoelectronics Progress, Volume. 56, Issue 3, 030604(2019)
A Wavelength Demodulation System for Fiber Bragg Grating Array
Fig. 1. Schematic of FBG array demodulation system
Fig. 2. Schematic of FBG array
Fig. 3. Theoretical model of time division and wavelength scanning
Fig. 4. Spectra. (a) Subarray-1; (b) subarray-2; (c) subarray-3; (d) subarray-4
Fig. 5. Temperature response of FBG temperature sensors in each subarray
Fig. 6. Demodulated wavelength of FBG temperature sensor. (a) FBG-1; (b) FBG-2; (c) FBG-3; (d) FBG-4
Fig. 7. Wavelength demodulation results at 45 ℃. (a) FBG-1; (b) FBG-2; (c) FBG-3; (d) FBG-4
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Xincan Lou, Fenghuan Hao, Pengfei Liu, Bo Li. A Wavelength Demodulation System for Fiber Bragg Grating Array[J]. Laser & Optoelectronics Progress, 2019, 56(3): 030604
Category: Fiber Optics and Optical Communications
Received: Jul. 23, 2018
Accepted: Aug. 29, 2018
Published Online: Jul. 31, 2019
The Author Email: Hao Fenghuan (hfh05@mails.tsinghua.edu.cn)