Prebreakdown light emission in liquid helium

被引：1

作者：

Hirata, K ^{[1
]}

Kaneko, S ^{[1
]}

Yamazawa, K ^{[1
]}

Yamashita, H ^{[1
]}

机构：

[1] Keio Univ, Fac Sci & Technol, Dept Elect & Elect Engn, Kohoku Ku, Yokohama, Kanagawa 2238522, Japan

来源：

1998 INTERNATIONAL SYMPOSIUM ON ELECTRICAL INSULATING MATERIALS, PROCEEDINGS | 1998年

关键词：

D O I：

10.1109/ISEIM.1998.741731

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：

In this paper, the observation results of the prebreakdown light emission phenomena under divergent fields in liquid helium are reported. Two structures of light emission, filamentary and bush-like, were found for both positive and negative polarities. Most of the negative light emission should a filamentary structure, while it was a bush-like one for the positive. Light emission appeared for only a few microseconds for negative needle, while it lasts much longer than 25 mu s for positive needle. The pulse frequency of the light emission differed between the polarities.

引用

页码：247 / 250

页数：4

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