[1] [1] Tangonan G L, et al. Current sensirig with metal-coated nlultimode optical fibers [J]. Elect. Lett., 1980,16:958-959.

[2] [2] Dandridge A, et al. Interornetric current sensors optical fibers [J]. Elect. Lett., 1981, 17: 523-524.

[3] [3] Kobayashi S. et al. Development and field test evaluation of optical current and voltage transforrnc,rs for gas insulated switchgear [J]. IEEE Trans,on Power Delivery,1992, 7(2): L815-L821

[4] [4] Aikawa E, et al. Development and field test evaluation of opiccal current/voltage transformers for distribution network [J]. IEEE Trans. on Power Delivery, 1991, 6(1): 414-420.

[5] [5] Cease T W, et al. A magneto-optic current transducer [J].IEEE Trans,on Power Delivery, 1990, 5(2): 548-555.

[9] [9] Ball G A, Morey W W. Continuously tunable single-mode erbium fiber laser [.J]. Outlet, 1992, 17(6): 420-422.