Author:
Cao Zhu-Rong ,Ding Yong-Kun ,Liu Shen-Ye ,
Abstract
The cascade effect of cathode spots from vacuum micro-arcing has been observed by micro-channel plate (MCP) imager in divect current mode. The spots-track on MCP surface can be drawn out as a multiform dog-leg path，and betweencenters of spots is 200—300 μm. The first spot is always the lucida，and its intensity is about decuple of its sub-spots. The intensity between cascade sub-spots is at the same level，and sub-spots are nondestructive for MCP cathode surface. The experiments showed that arcing of sub-spots depends on emission of the first spot.
Publisher
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Subject
General Physics and Astronomy
Cited by
4 articles.
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