Optical Measurements of the Electric Field of Pulsed Streamer Discharges in Water

被引:14
|
作者
Nakamura, Shigehiro [1 ]
Minamitani, Yasushi [1 ]
Handa, Taiki [1 ]
Katsuki, Sunao [2 ]
Namihira, Takao [2 ]
Akiyama, Hidenori [2 ]
机构
[1] Yamagata Univ, Grad Sch Sci & Engn, Yamagata 9928510, Japan
[2] Kumamoto Univ, Grad Sch Sci & Technol, Kumamoto 8608555, Japan
关键词
Streamer discharge; electric field; Kerr effect; crossed polarizers; beam polarization; Laser; CORONA DISCHARGE;
D O I
10.1109/TDEI.2009.5211864
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The electric field of a streamer tip of a pulsed streamer discharge in water has been investigated by an optical measuring method. Crossed polarizers were used for the measurement of the electric field using the Kerr effect. Pulsed power with a 300 ns pulse width and 53 kV peak voltages was applied to a pin electrode with a Blumlein circuit. The electric field is obtained from the intensity of the laser beam passing through the second polarizer. The beam intensity was recorded by a highspeed camera with an exposure time of 100 ns. The electric field of the streamer tip, which could not propagate any further, was 320 kV/cm.
引用
收藏
页码:1117 / 1123
页数:7
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