[1] SMITH A M. Optical fibres for current measurement applications [J].Opt Laser Technol,1980,12:25.
[2] RASHLEIGH S C, ULRICH R. Magneto-optic current sensing with birefringent fibers [J]. A P L,1979(34):768.
[3] HUANG H Ch,HE Y Ch. Polarization behavior of spunn fiber versus conventional fiber under strong slight twisting [J]. Microwave and Optical Technology Letters, 1995,9 (1): 37~41.
[4] DONG X P. Phase drift compensation for electric current sensor employing a twisted fiber or a spun highly birefringent fiber [J]. IEEE Journal of Selected Topics in Quantum Electronics, 2000,6 (5): 803~809.
[5] LAMING R I, PYNE D N. Electric current sensors employing spun highly birefringent optical fibers [J]. J Lightwave Technol, 1989,7(12):2084~2092.
[6] SMITH A M. Birefringence induced by bends and twists in singlemode optical fiber [J]. Appl Opt, 1980,19(15):2606~2611.
[7] CHU P L. Thermal-stress-induced birefringence in single-mode elliptical optical fiber [J]. Electron Lett,1982,18(1):45~47.
[8] EICKHOFF W. Stress induced single-polarizaton single-mode fiber [J]. Opt Lett,1982,7:629~631.
[9] SCHNEIDER H,HARMS H,PAPP A et al. Low-birefringence in single-mode optical fibres: preparation and polarization characteristics[J]. Appl Opt, 1978,17:3035~3037.
[10] ULRICH R,RASHLEIGH S C,EICKHOFF W. Bending-induced birefringence in single-mode fibres [J]. Opt Lett, 1980,5:273~275.
[11] ULRICH R, SIMON A M. Polarization optics of twisted single-mode fibres [J]. Appl Opt,1979,18:2241~2251.
[12] DONG X P, CHU B C B, CHIANG K S. An electric-current sensor employing twisted fibre with compensation for temperature and polarization fluctuations [J]. Meas Sci Technol, 1997,8:606~610.
[13] BORN M, WOLF E. Principal of optics [M]. 2nd ed, New York:Pergamon, 1970.
[14] BARLOW A J, PAYNE D N. Polarisation maintenance in circularl birefringent fibers [J]. Electron Lett, 1981,17: 388~389.
[15] BLAKE J,TANTASWADI P,de CARVALHO R T. In-line sagnac interferometer current sensor [J]. IEEE Transactions on Power Delivery, 1996,11 (1): 116~121.