[1] Nan XIE, Xinmao QIU, Qifeng XU. Regulation of bismuth germanate electro-optic crystal's half-wave voltage. Infrared and Laser Engineering, 47, 0420003(2018).

[2] [2] XIAO Xia. Stability analysis reliability research on optical voltage transfmer [D]. Wuhan: Huazhong University of Science Technology, 2003. (in Chinese)

[3] J C SANTOS, M C TAPLAMACIOGLU, K HIDAKA. Pockels high-voltage measurement system. IEEE Transactions on Power Delivery, 15, 8-13(2000).

[4] Linyang CHEN, Qifeng XU, Nan XIE. A method for improving the electric field distribution of longitudinal modulation OVT. Automation of Electric Power Systems, 41, 158-162(2017).

[5] Mingming ZHANG, Hongbin LI, Yanbing LIU. Optical voltage transformer based on longitudinal Pockels effect. Sensor Technology, 24, 58-59, 64(2005).

[6] [6] TAN Qiao. Study on sensing acteristics of optical transfmer based on radial polarization detection [D]. Fuzhou: Fuzhou University, 2017. (in Chinese)

[7] Yifan HUANG, Qifen XU, Hao CHEN. Defects and improvement methods of voltage divider structure in optical voltage sensors. Automation of Electric Power Systems, 166-171(2018).

[8] [8] CHEN Linyang. Optimization design of electric field in the sensing head of optical voltage sens [D]. Fuzhou: Fuzhou University, 2017. (in Chinese)

[9] Yueyu XIAO. Influence of the electric field distribution on theoptical voltage transformer. High Voltage Engineering, 33, 37-40(2007).

[10] Qiao TAN, Qifeng XU, Nan XIE. Quantitative research on the intrinsic linear birefringence and temperature characteristic of BGO crystal. Infrared and Laser Engineering, 45, -0622004(2016).

[11] Rongfang XIE, Qifeng XU, Nan XIE. A method for improving the electric field distribution of OVT’s electro-optical crystal. Automation of Electric Power Systems, 40, 91-95(2016).

[12] [12] LI Jingzhen. Optical Hbook [M]. Xi''an: Shaanxi Science Technology Press, 2010: 2556. (in Chinese)

[13] Yifan HUANG, Qifeng XU, Linyang CHEN et al. The medium enwrapping method for improving the internal electric field distribution of OVT. Infrared and Laser Engineering, 46, 0722004(2017).

[14] [14] ZHOU Wenyin. Research on high thermal conductivity insulating polymer composite materials [D]. Xi''an: Nthwestern Polytechnical University, 2007. (in Chinese)

[15] Xiujuan FENG, Chunxi ZHANG, Jia YU. Electric field calculation and error analysis of quasi reciprocal optical voltage sensors. Journal of Beihang University, 37, 985-989(2011).