Chinese Optics Letters, Volume. 16, Issue 1, 010606(2018)
Demodulation method combining virtual reference interferometry and minimum mean square error for fiber-optic Fabry–Perot sensors
Figures & Tables(6)
Fig. 1. Fiber-optic F-P high temperature sensing experimental system based on a sapphire wafer.
Fig. 2. (Color online) Interference spectra at the temperatures of 28°C, 100°C, and 200°C, respectively.
Fig. 4. (Color online) Group delay as a function of temperature at different wavelengths.
Fig. 5. (Color online) Corresponding cavity lengths decoded by the methods of VRI, MMSE, and VRI-MMSE.
Fig. 6. Stability measurement result of the VRI-MMSE processing method.
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Xinwang Gui, Michael Anthony Galle, Li Qian, Weilong Liang, Ciming Zhou, Yiwen Ou, Dian Fan, "Demodulation method combining virtual reference interferometry and minimum mean square error for fiber-optic Fabry–Perot sensors," Chin. Opt. Lett. 16, 010606 (2018)
Paper Information
Category: Fiber Optics and Optical Communications
Received: Jul. 29, 2017
Accepted: Nov. 23, 2017
Published Online: Jul. 17, 2018
The Author Email: Ciming Zhou (zcm@whut.edu.cn)
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