5Santos J C, Taplamaciouglu M C, Hidaka K. Pockets high voltage measurement system[J]. IEEE Trans on Power Delivery, 2000, 15(1): 53-57.
6Huang S Y, Blake J N, Kim B Y. Perturbation effects on mode propagation in highly elliptical core two mode fibers[J]. Jonrnal of Lightwave Technology, 1990, 8(1): 23-33.
7Bohnert K, Witde G, Nehring J. Coherence-tuned interrogation of a remote elliptical-core, dual-mode fiber strain sensor[J]. Journal of Lightwave Technology, 1995, 13(1): 94-103.
8Bohnerl K, Gabus P, Kostovic J, et al. Optical fiber sensors for the electric power industry[J]. Optics and l.aser in Engineering, 2005, 43(3): 511-526.
9Bohnert K, Ingold M, Kostovic J. Fiber optic voltage sensor for SF6 gas-insulated high voltage switchgear[J]. Applied Optics, 1999, 38(10): 1926-1933.
10Bohnert K, Pequignot P. Inherent temperature compensation of a dual-mode fiber voltage sensor with coherence-tuned interrogation[J]. Journal of Lightwave Technology, 1998, 16(4): 598-604.
