期刊
PHYSICS OF PLASMAS
卷 18, 期 5, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.3577572
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资金
- National Natural Science Foundation of China [11076026, 50707032]
- Chinese Academy of Sciences [KGCX2-YW-339]
- National Basic Research Program of China [2011CB209405]
In this paper, using two repetitive nanosecond generators, x-rays were detected in atmospheric air with a highly inhomogeneous electric field by a point-to-plane gap. The rise times of the generators were about 15 and 1 ns. The x-rays were directly measured by various dosimeters and a NaI scintillator with a photomultiplier tube. X-rays were detected in the continuous mode at pulse repetition frequency up to 1 kHz and a voltage pulse rise time of similar to 15 ns. It is shown that the maximum x-ray intensity is attainable at different pulse repetition frequencies depending on the voltage pulse parameters and cathode design. In atmospheric pressure air the x-ray intensity is found to increase with increasing the pulse repetition frequency up to 1 kHz. It is confirmed that the maximum x-ray intensity is attained in a diffuse discharge in a point-to-plane gap. (C) 2011 American Institute of Physics. [doi:10.1063/1.3577572]
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