Electric field and higher harmonics of RF plasma slit jet measured by antennas and VI probes

dc.contributor.authorPolášková, Kateřinacs
dc.contributor.authorDrexler, Petrcs
dc.contributor.authorKlíma, Milošcs
dc.contributor.authorMacháč, Jancs
dc.contributor.authorNečas, Davidcs
dc.contributor.authorŠvanda, Milancs
dc.contributor.authorZajíčková, Lenkacs
dc.coverage.issue5cs
dc.coverage.volume33cs
dc.date.issued2024-05-29cs
dc.description.abstractThe cold atmospheric plasma jets change their character when interacting with the different surfaces. Since such interaction is the primary area of plasma jet applications, it is essential to monitor the process. The non-linearity of the RF plasma slit jet (PSJ) was analyzed using the VI probes and a novel method, the non-intrusive antenna measurements. Regardless of the experimental setup and gas mixture (Ar, Ar/O2, Ar/N2), the PSJ frequency spectrum consisted of the following main features: dominant fundamental frequency peak, relatively strong odd harmonics, and significantly weaker even harmonics. The lowest degree of non-linearity was recorded for the Ar PSJ ignited against a grounded target. Admixing a molecular gas increased the discharge non-linearity. It was attributed to the enhancement of secondary electron emission from the dielectric surfaces. In addition to the non-linearity analysis, the antenna spectra were for the first time used to determine the semi-quantitative values of the PSJ-radiated electric field. The electric fields decreased by a factor of 2 after the admixing of nitrogen and oxygen molecular gases. Out of the studied targets, the highest electric fields were observed when plasma impinged on the grounded targets, followed by the floating target (2x lower) and the PSJ ignited in the open space configuration (4x lower than in the grounded target configuration).en
dc.formattextcs
dc.format.extent1-16cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationPLASMA SOURCES SCIENCE & TECHNOLOGY. 2024, vol. 33, issue 5, p. 1-16.en
dc.identifier.doi10.1088/1361-6595/ad48b5cs
dc.identifier.issn0963-0252cs
dc.identifier.orcid0000-0002-2687-9274cs
dc.identifier.orcid0000-0002-5763-2864cs
dc.identifier.orcid0009-0004-5890-2493cs
dc.identifier.orcid0000-0001-7731-8453cs
dc.identifier.orcid0000-0002-6906-8906cs
dc.identifier.other188879cs
dc.identifier.researcheridJXN-4299-2024cs
dc.identifier.researcheridJ-5783-2012cs
dc.identifier.researcheridD-7166-2012cs
dc.identifier.researcheridE-3010-2012cs
dc.identifier.scopus6602141974cs
dc.identifier.urihttp://hdl.handle.net/11012/249352
dc.language.isoencs
dc.publisherIOP Publishingcs
dc.relation.ispartofPLASMA SOURCES SCIENCE & TECHNOLOGYcs
dc.relation.urihttps://iopscience.iop.org/article/10.1088/1361-6595/ad48b5cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/0963-0252/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectradio frequency plasma jeten
dc.subjectatmospheric pressureen
dc.subjectelectrical parametersen
dc.subjectelectromagnetic fielden
dc.subjecthigher harmonicsen
dc.titleElectric field and higher harmonics of RF plasma slit jet measured by antennas and VI probesen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-188879en
sync.item.dbtypeVAVen
sync.item.insts2024.10.14 11:03:31en
sync.item.modts2024.09.26 12:32:07en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav teoretické a experimentální elektrotechnikycs
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Plazmové technologie pro materiálycs
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