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Rev Sci Instrum. 2014 Feb;85(2):02B117. doi: 10.1063/1.4832060.

Equivalent circuit of radio frequency-plasma with the transformer model.

Author information

1
Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
2
CERN Rte de Meyrin, 1200 Geneva, Switzerland.

Abstract

LINAC4 H(-) source is radio frequency (RF) driven type source. In the RF system, it is required to match the load impedance, which includes H(-) source, to that of final amplifier. We model RF plasma inside the H(-) source as circuit elements using transformer model so that characteristics of the load impedance become calculable. It has been shown that the modeling based on the transformer model works well to predict the resistance and inductance of the plasma.

PMID:
24593557
DOI:
10.1063/1.4832060

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