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Filamentary streamer discharges in argon at atmospheric pressure excited by surface plasmon polaritons.

Authors
Type
Published Article
Journal
Review of Scientific Instruments
1089-7623
Publisher
American Institute of Physics
Publication Date
Volume
83
Issue
8
Pages
84701–84701
Identifiers
DOI: 10.1063/1.4738779
PMID: 22938318
Source
Medline
License
Unknown

Abstract

This paper describes a microwave plasma jet in an argon atmosphere capable of generating filamentary streamer discharges within the entire quartz tube excited by surface waves of surface plasmon polaritons (SPPs) located in the tube. Several discharge streamers are immediately produced at the end of the copper wire when incident power reaches 20 W. From simulations, the wavelength of the surface wave was found to be approximately 5.7 cm. Although the developing streamers induce E-field enhancements favoring discharging, more streamer bifurcations requiring additional energy to maintain discharging diminish the resonant enhanced E-field. The underlying mechanism of the proposed plasma jet is resonant excitation of SPPs and its interaction with plasmas.

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