Abstract
In this paper, we show the dynamic behaviors of a sheet plasma and the corresponding release of blob‐like plasmas to the periphery of the sheet based on observation with a high‐speed camera. We found that the plasma column moves in a transverse direction reciprocally when injecting a small amount of Ar gas to the He plasma from the plasma source region. The motion continued periodically at a frequency of ∼5 kHz. The frequency of the plasma column motion decreased with increasing Ar gas flow rate and increasing magnetic field. The mechanism of the transverse motion is discussed. Furthermore, in response to the reciprocating motion, release of a blob‐like plasma was observed. The differences in the behavior of the released plasma compared with the other linear devices are discussed.
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