Peak-to-Peak and Interference-Order Positioning Joint Demodulation Algorithm for Fiber-Optic Fabry-Perot Sensors

Dongping Wang; Wei Wang; Junying Zhang; Xiongxing Zhang; Haibin Chen; Zilong Guo

doi:10.3788/AOS202242.1628001

[1] Song Z Y, Wang N, Zhu Y et al. Characteristics and analysis of fiber Fabry-Perot force sensor[J]. Journal of Physics: Conference Series, 1930, 012016(2021).

[2] Chen Q Q, Tang Y, Wang K N et al. Characteristic analysis of correlation interference signals in optical wedge type fiber Fabry-Perot sensors[J]. Laser & Optoelectronics Progress, 55, 110603(2018).

[3] Liu T G, Yu X, Wang S et al. Fiber-optic Fabry-Perot sensing technology in high-temperature environments: a review[J]. Laser & Optoelectronics Progress, 58, 1306002(2021).

[4] Zhang H, Wang D N, Rahman B M A. Parallel structured fiber in-line multiple Fabry-Perot cavities for high temperature sensing[J]. Sensors and Actuators A: Physical, 313, 112214(2020).

[5] Bai L, Zheng G, Zhang X X et al. Optical fiber pressure sensor based on frequency-modulated continuous-wave and analysis of its measurement characteristic[J]. Acta Optica Sinica, 41, 0328002(2021).

[6] Feng F, Jia P G, Qian J et al. High-consistency optical fiber Fabry-Perot pressure sensor based on silicon MEMS technology for high temperature environment[J]. Micromachines, 12, 623(2021).

[7] Wang N, Tian W H, Zhang H S et al. Optical fiber Fabry-Perot humidity sensor by graphene quantum dots[J]. Acta Photonica Sinica, 49, 0906003(2020).

[8] Li J L, Hong W L, Zhao C L et al. Multi-point optical fiber hydrogen sensor with Fabry-Perot interferometers using arrayed waveguide grating[J]. Acta Optica Sinica, 41, 1306013(2021).

[9] Wang N, Tian W H, Zhang H S et al. An easily fabricated high performance Fabry-Perot optical fiber humidity sensor filled with graphene quantum dots[J]. Sensors, 21, 806(2021).

[10] Ma C, Wang A B. Signal processing of white-light interferometric low-finesse fiber-optic Fabry-Perot sensors[J]. Applied Optics, 52, 127-138(2013).

[11] Li C C, Wang M, Xia W et al. A novel Fabry-Perot micro-displacement sensor based on intensity demodulation method[J]. Acta Optica Sinica, 34, 0628001(2014).

[12] Zhang X X, Lü W T, Zhang T Y et al. Design of optical wedge demodulation system for fiber Fabry-Perot sensor[J]. Chinese Optics, 14, 1259-1272(2021).

[13] Xie J H, Wang F Y, Pan Y et al. High resolution signal-processing method for extrinsic Fabry-Perot interferometric sensors[J]. Optical Fiber Technology, 22, 1-6(2015).

[14] Liu J J, Tu Z W, Zhou C M et al. Algorithm of phase correction based on least square estimation for optical fiber Fabry-Perot sensor[J]. Acta Photonica Sinica, 48, 0906004(2019).

[15] Jiang Y. High-resolution interrogation technique for fiber optic extrinsic Fabry-Perot interferometric sensors by the peak-to-peak method[J]. Applied Optics, 47, 925-932(2008).

[16] Bonilla J T G, Bonilla H G, Betancourtt V M R et al. Low-finesse Fabry-Perot interferometers applied in the study of the relation between the optical path difference and poles location[J]. Sensors, 20, 453(2020).

[17] Xu H Y, Lei X H, Chen W M et al. Demodulation error of fringe counting method for optical fiber Fabry-Perot sensor[J]. Acta Photonica Sinica, 45, 1207003(2016).

[18] Zhang P, Ge Y X, Gu Q S et al. Research on demodulation method of short cavity interferometric optical fiber micropressure sensor[J]. Chinese Journal of Sensors and Actuators, 34, 609-614(2021).

[19] Ma Z B, Song Z C, Huang X R et al. A zero-cross detection algorithm for cavity-length interrogation of fiber-optic Fabry-Perot sensors[J]. Sensors, 19, 3868(2019).