[2] [2] BUSH J, MCNAIR F. Low-Cost Fiber Optical Interferometric Microphones and Hydrophones[J]. IBER OPTIC AND LASER SENSORS, 1994, 22(9): 83-84.

[6] [6] DANBRIDGE A, TVETEN A B, GIALLORENZI T G. Homodyne Demodulmion Scheme for Fiber Optic Sensors Using Phase Generated Carrier[J]. IEEEMicrowave Theory Tech, 1982, MTT-30(10): 1635-1641．

[7] [7] ZHAO Z Q, SULEYMAN D M. Mark MacAlpine.Improved Demodulation Scheme for Fiber Optic interfemmetem Using an Asymmetric 3×3 Coupler[J]. Light wave Technology, 1997, 15(11): 2059-2068.

[9] [9] ZHANG C G, ZHEN S L, et al. A New Fiber-optic microphone Based on Waveguide Modulator[J]. SPIE, 2009, 19(1): 33-35.

[10] [10] CHEN D S, XIAO L, CUI J, et al. Analysis of 3X3 couple demodulation method for optical fiber interferometers and polarization fading[J].Journal of Optoelectronics, Laser, 2007, 18(5): 523-525.