[2] Lima S E U, Frazao O, Farias R G. IEEE Transactions on Power Delivery, 2010, 25(4): 2526.
[4] Wild G, Hinckley S. IEEE Sensors Journal, 2008, 8(7): 1184.
[6] Dong B, Han M, Sun L. IEEE Photonics Technology Letters, 2008, 20(18): 1566.
[7] Lima S E U, Frazao O, Farias R G. IEEE Transactions on Power Delivery, 2010, 25: 2526.
[8] Julio P R, Garciasouto J A, Jesus R S. Sensors, 2012, 12(4): 4793.
[10] Jin Zhongwei, Jiang Mingshun, Sui Qing-mei. Photonic Sensors, 2014, 4(2): 152.