[1] Yu H J, Zhao G G. Improving measurement accuracy of dual-frequency laser interferometer based on vibration node optimization[J]. Laser & Optoelectronics Progress, 57, 151202(2020).

[2] Jing S Q, Huang L, Dong W H et al. Positive and negative feedback judgment and high-frequency vibration detection by interferometer based on 3×3 coupler[J]. Acta Optica Sinica, 39, 0712001(2019).

[3] Sun C M, Sun K H, Ge J Q. Measurement of surface vibrations of ultrasonic transducers by laser interference method[J]. Chinese Journal of Lasers, 47, 0904006(2020).

[4] Chen J J, Hu H Z, Miao L J et al. Three-degree-of-freedom micro-vibration measurement system based on dual-frequency laser interference[J]. Optics and Precision Engineering, 27, 1435-1443(2019).

[5] Wu S S, Lü T, Han X Y et al. Remote audio signals detection using a partial-fiber laser Doppler vibrometer[J]. Applied Acoustics, 130, 216-221(2018).

[6] Xia D M, Lou S Q, Wen X D et al. PGC method using in fiber-optic interference sensors[J]. Electro-Optic Technology Application, 26, 47-50(2011).

[7] Shi S, Xiao N. Application of 3×3 coupler phase demodulation algorithm in optical fiber pickup system[J]. Optical Communication Technology, 44, 49-51(2020).

[8] Ni C, Zhang M, Zhu Y. Optical fiber interferometer using phase modulation method[J]. Optics and Precision Engineering, 25, 288-294(2017).

[9] Zhang S H, Yan L P, Chen B Y et al. Real-time phase delay compensation of PGC demodulation in sinusoidal phase-modulation interferometer for nanometer displacement measurement[J]. Optics Express, 25, 472-485(2017).

[10] Sasaki O, Xin J, Choi S et al. Profile measurement of thin films by backpropagation of multiple-wavelength optical fields with two sinusoidal phase-modulating interferometers[J]. Optics Communications, 356, 578-581(2015).

[11] Hu J F, Xin J G, Chen D X et al. Research on phase demodulation method of fiber interferometer[J]. Measurement Technique, 6-9(2008).

[12] Zhang S. Research on eliminating light intensity disturbance in the fiber-optic sensor based on PGC demodulation algorithms[D], 5-16(2016).

[13] Lan T, Zhang C X, Li L J et al. Carrier phase advance technique for digital PGC demodulation[J]. Opto-Electronic Engineering, 35, 49-52(2008).

[14] Ma H Y, Wang X X, Ma F et al. Research progress of Φ-OTDR distributed optical fiber acoustic sensor[J]. Laser & Optoelectronics Progress, 57, 130005(2020).

[15] Yan L P, Zhou C Y, Xie J D et al. Nonlinear error compensation method for PGC demodulation based on Kalman filtering[J]. Chinese Journal of Lasers, 47, 0904002(2020).

[16] Tang W J, Fu L, Chen S F et al. Realization of measuring micro-vibration based on phase generated carrier modulation-demodulation method and interference analysis[J]. Chinese Journal of Lasers, 40, 0214001(2013).

[17] Wang X X, Liu X, Yu J et al. Influence of PZT phase modulation on PGC demodulation algorithm in matched Michelson interference structure[J]. Laser Journal, 41, 17-20(2020).

[18] Nikitenko A N, Plotnikov M Y, Volkov A V et al. PGC-atan demodulation scheme with the carrier phase delay compensation for fiber-optic interferometric sensors[J]. IEEE Sensors Journal, 18, 1985-1992(2018).

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

[20] Wang G Q, Xu T W, Li F. PGC demodulation technique with high stability and low harmonic distortion[J]. IEEE Photonics Technology Letters, 24, 2093-2096(2012).

[21] Tong Y W, Zeng H L, Li L Y et al. Improved phase generated carrier demodulation algorithm for eliminating light intensity disturbance and phase modulation amplitude variation[J]. Applied Optics, 51, 6962-6967(2012).

[22] Zhang S, Zhang A L, Pan H G. Eliminating light intensity disturbance with reference compensation in interferometers[J]. IEEE Photonics Technology Letters, 27, 1888-1891(2015).

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