Phase Generated Carrier Demodulation Method Eliminating Modulation Depth Influence

Kang SUN; Mengyang HE; Yu HAN

doi:10.3788/gzxb20225106.0606003

[1] T F B MARIE, Y BIN, H DEZHI et al. Principle and application state of fully distributed fiber optic vibration detection technology based on ϕ-OTDR: a review. IEEE Sensors Journal, 21, 16428-16442(2021).

[2] Z WANG, B LU, Q YE et al. Recent progress in distributed fiber acoustic sensing with Φ-OTDR. Sensors, 20, 6594(2020).

[3] A MASOUDI, J A PILGRIM, T P NEWSON et al. Subsea cable condition monitoring with distributed optical fiber vibration sensor. Journal of Lightwave Technology, 37, 1352-1358(2019).

[4] Y RAO, Z WANG, H WU et al. Recent advances in phase-sensitive optical time domain reflectometry (Ф-OTDR). Photonic Sensors, 11, 1-30(2021).

[5] X P ZHANG, Z W DING, R HONG et al. Distributed optical fiber sensor based on phase-sensitive time-domain reflectometry. Acta Optica Sinica, 41, 0106004(2021).

[6] A V VOLKOV, M Y PLOTNIKOV, M V MEKHRENGIN et al. Phase modulation depth evaluation and correction technique for the PGC demodulation scheme in fiber-optic interferometric sensors. IEEE Sensors Journal, 17, 4143-4150(2017).

[7] L YAN, Y ZHANG, J XIE et al. Nonlinear error compensation of PGC demodulation with the calculation of carrier phase delay and phase modulation depth. Journal of Lightwave Technology, 39, 2327-2335(2021).

[8] D XU, F YANG, D CHEN et al. Laser phase and frequency noise measurement by Michelson interferometer composed of a 3×3 optical fiber coupler. Optics Express, 23, 22386-22393(2015).

[9] J SHI, D GUANG, S LI et al. Phase-shifted demodulation technique with additional modulation based on a 3×3 coupler and EFA for the interrogation of fiber-optic interferometric sensors. Optics Letters, 46, 2900-2903(2021).

[10] Y XU, X GAO, L LIU et al. Research on I/Q phase demodulation algorithm for synthetic wavelength ranging based on optical frequency comb, 349-353(2021).

[11] L ZHANG, Z WANG, S WANG et al. Phase-sensitive optical time-domain reflectometry with I/Q demodulation, AM1I. 3(2015).

[12] B LIU, J LIN, H LIU et al. Diaphragm based long cavity Fabry-Perot fiber acoustic sensor using phase generated carrier. Optics Communications, 382, 514-518(2017).

[13] A ZHANG, D LI. Interferometric sensor with a PGC-AD-DSM demodulation algorithm insensitive to phase modulation depth and light intensity disturbance. Applied Optics, 57, 7950-7955(2018).

[14] J HE, L WANG, F LI et al. An ameliorated phase generated carrier demodulation algorithm with low harmonic distortion and high stability. Journal of Lightwave Technology, 28, 3258-3265(2010).

[15] G FANG, T XU, S FENG et al. Phase-sensitive optical time domain reflectometer based on phase-generated carrier algorithm. Journal of Lightwave Technology, 33, 2811-2816(2015).

[16] Z YU, H DAI, M ZHANG et al. High stability and low harmonic distortion PGC demodulation technique for interferometric optical fiber sensors. Optics & Laser Technology, 109, 8-13(2019).

[17] S ZHANG, Y CHEN, B CHEN et al. A PGC-DCDM demodulation scheme insensitive to phase modulation depth and carrier phase delay in an EOM-based SPM interferometer. Optics Communications, 474, 126183(2020).

[18] L GUI, X WU, B YU et al. High-stability PGC demodulation algorithm based on a reference fiber-optic interferometer with insensitivity to phase modulation depth. Journal of Lightwave Technology, 39, 6968-6975(2021).

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