2012
DOI: 10.1088/0963-0252/21/3/034001
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Atmospheric pressure ionization waves propagating through a flexible high aspect ratio capillary channel and impinging upon a target

Abstract: Atmospheric pressure ionization waves (IWs) propagating in flexible capillary tubes are a unique way of transporting a plasma and its active species to remote sites for applications such as biomedical procedures, particularly in endoscopic procedures. The propagation mechanisms for such IWs in tubes having aspect ratios of hundreds to thousands are not clear. In this paper, results are discussed from a numerical investigation of the fundamental properties of ionization waves generated by nanosecond voltage pul… Show more

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Cited by 140 publications
(108 citation statements)
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References 28 publications
(49 reference statements)
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“…[1][2][3][4][5][6][7][8][9][10][11][12] C-APPJs usually generate plasmas in surrounding air rather than in confined space. [13][14][15][16] Hence, they can be used for direct treatment and there is no limitation on the size of the objects that can be treated.…”
Section: Introductionmentioning
confidence: 99%
“…[1][2][3][4][5][6][7][8][9][10][11][12] C-APPJs usually generate plasmas in surrounding air rather than in confined space. [13][14][15][16] Hence, they can be used for direct treatment and there is no limitation on the size of the objects that can be treated.…”
Section: Introductionmentioning
confidence: 99%
“…Detailed study of this interaction and other possible mechanisms is therefore highly warranted in the near future. For example, the absorption of photoemission by He, N 2 and O 2 may also play a significant role in the streamer propagation31.…”
Section: Discussionmentioning
confidence: 99%
“…However, this fascinating phenomenon is still challenging to control and is far from being understood despite of a few mechanisms proposed1718192021222324. Since these discharges are generated by time-varying electric fields, a series of breakdowns produces residual electrons within the channel of the plasma jet.…”
mentioning
confidence: 99%
“…Aiming to be specifically and locally delivered, such technology drives the plasma up to the target where the plasma is transferred in ambient air at the outlet of the capillary. However, there are few reports dealing with the TP or in other words, propagation of IW through a dielectric tube [20][21][22][23], and the mechanisms about the formation of ionization waves inside a dielectric tube still remain unclear. Especially, the effect of electrode structure on the propagation of IW through long dielectric tube needs to be further investigated.…”
Section: Introductionmentioning
confidence: 99%