Asymmetric frequency dependence of plasma jet formation in resonator electrode
Large aspect ratio plasma jets with sub-mm diameter are produced by a microwave coaxial resonator electrode. The jet length shows a sharp asymmetric dependence on the drive frequency: the plasma jet suddenly turns off below a critical frequency while the jet length slowly decreases above the frequen...
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| Veröffentlicht in: | The European physical journal. D, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2017-05, Vol.71 (5), p.1-5, Article 134 |
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| container_title | The European physical journal. D, Atomic, molecular, and optical physics |
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| creator | Nam, Woo Jin Lee, Seung Taek Jeong, Seok Yong Lee, Jae Koo Yun, Gunsu S. |
| description | Large aspect ratio plasma jets with sub-mm diameter are produced by a microwave coaxial resonator electrode. The jet length shows a sharp asymmetric dependence on the drive frequency: the plasma jet suddenly turns off below a critical frequency while the jet length slowly decreases above the frequency. A general mechanism is proposed to explain the asymmetry based on a universal feedback relation among the plasma impedance, the power coupling efficiency and the plasma dimension in resonator type electrodes. The input impedance of the resonator electrode changes depending on the plasma size formed in the electrode. The degree of the impedance mismatch between the electrode-plasma and the power source determines the power coupling efficiency and the resistive loss in the electrode which in turn affects the plasma size. The asymmetric dependence on the drive frequency is a consequence of the fact that the resonance frequency decreases for increasing plasma size. The feedback model shows a good agreement with the experimental measurements, providing essential information for the plasma control.
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| doi_str_mv | 10.1140/epjd/e2017-70549-4 |
| format | Article |
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Graphical abstract</description><subject>Applications of Nonlinear Dynamics and Chaos Theory</subject><subject>Aspect ratio</subject><subject>Asymmetry</subject><subject>Atomic</subject><subject>Coupling</subject><subject>Electrodes</subject><subject>Feedback</subject><subject>Impedance</subject><subject>Input impedance</subject><subject>Molecular</subject><subject>Optical and Plasma Physics</subject><subject>Physical Chemistry</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Plasma control</subject><subject>Plasma jets</subject><subject>Plasmas (physics)</subject><subject>Power efficiency</subject><subject>Quantum Information Technology</subject><subject>Quantum Physics</subject><subject>Regular Article</subject><subject>Spectroscopy/Spectrometry</subject><subject>Spintronics</subject><issn>1434-6060</issn><issn>1434-6079</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp1kLtOwzAUhi0EEqXwAkyWmEOP78lYVdykChaYLTc-RomaONjp0LcnbRFiYTr_8F-OPkJuGdwzJmGBQ-sXyIGZwoCSVSHPyIxJIQsNpjr_1RouyVXOLQBwJfWMvC7zvutwTE1NQ8KvHfb1nnocsPeTRBoDHbYud462ONIQU-fGJva06WnCHHs3xkRxi_WYosdrchHcNuPNz52Tj8eH99VzsX57elkt10UtWDUWWoJXG1aF0odQGsWZEwBGGw-hLL3kgAqVRqilcnLjhPEmlIIJxuuy3GgxJ3en3iHF6ec82jbuUj9NWlYBZ0ppKSYXP7nqFHNOGOyQms6lvWVgD9zsgZs9crNHblZOIXEK5cncf2L6U_1_6hvTInKq</recordid><startdate>20170501</startdate><enddate>20170501</enddate><creator>Nam, Woo Jin</creator><creator>Lee, Seung Taek</creator><creator>Jeong, Seok Yong</creator><creator>Lee, Jae Koo</creator><creator>Yun, Gunsu S.</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20170501</creationdate><title>Asymmetric frequency dependence of plasma jet formation in resonator electrode</title><author>Nam, Woo Jin ; Lee, Seung Taek ; Jeong, Seok Yong ; Lee, Jae Koo ; Yun, Gunsu S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-640d5b19f8dff87521a300767d0f88d420e5e56e0c45a4ba37d7f831312c88b63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Applications of Nonlinear Dynamics and Chaos Theory</topic><topic>Aspect ratio</topic><topic>Asymmetry</topic><topic>Atomic</topic><topic>Coupling</topic><topic>Electrodes</topic><topic>Feedback</topic><topic>Impedance</topic><topic>Input impedance</topic><topic>Molecular</topic><topic>Optical and Plasma Physics</topic><topic>Physical Chemistry</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Plasma control</topic><topic>Plasma jets</topic><topic>Plasmas (physics)</topic><topic>Power efficiency</topic><topic>Quantum Information Technology</topic><topic>Quantum Physics</topic><topic>Regular Article</topic><topic>Spectroscopy/Spectrometry</topic><topic>Spintronics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nam, Woo Jin</creatorcontrib><creatorcontrib>Lee, Seung Taek</creatorcontrib><creatorcontrib>Jeong, Seok Yong</creatorcontrib><creatorcontrib>Lee, Jae Koo</creatorcontrib><creatorcontrib>Yun, Gunsu S.</creatorcontrib><collection>CrossRef</collection><jtitle>The European physical journal. D, Atomic, molecular, and optical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nam, Woo Jin</au><au>Lee, Seung Taek</au><au>Jeong, Seok Yong</au><au>Lee, Jae Koo</au><au>Yun, Gunsu S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Asymmetric frequency dependence of plasma jet formation in resonator electrode</atitle><jtitle>The European physical journal. D, Atomic, molecular, and optical physics</jtitle><stitle>Eur. Phys. J. D</stitle><date>2017-05-01</date><risdate>2017</risdate><volume>71</volume><issue>5</issue><spage>1</spage><epage>5</epage><pages>1-5</pages><artnum>134</artnum><issn>1434-6060</issn><eissn>1434-6079</eissn><abstract>Large aspect ratio plasma jets with sub-mm diameter are produced by a microwave coaxial resonator electrode. The jet length shows a sharp asymmetric dependence on the drive frequency: the plasma jet suddenly turns off below a critical frequency while the jet length slowly decreases above the frequency. A general mechanism is proposed to explain the asymmetry based on a universal feedback relation among the plasma impedance, the power coupling efficiency and the plasma dimension in resonator type electrodes. The input impedance of the resonator electrode changes depending on the plasma size formed in the electrode. The degree of the impedance mismatch between the electrode-plasma and the power source determines the power coupling efficiency and the resistive loss in the electrode which in turn affects the plasma size. The asymmetric dependence on the drive frequency is a consequence of the fact that the resonance frequency decreases for increasing plasma size. The feedback model shows a good agreement with the experimental measurements, providing essential information for the plasma control.
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| language | eng |
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| source | SpringerNature Journals |
| subjects | Applications of Nonlinear Dynamics and Chaos Theory Aspect ratio Asymmetry Atomic Coupling Electrodes Feedback Impedance Input impedance Molecular Optical and Plasma Physics Physical Chemistry Physics Physics and Astronomy Plasma control Plasma jets Plasmas (physics) Power efficiency Quantum Information Technology Quantum Physics Regular Article Spectroscopy/Spectrometry Spintronics |
| title | Asymmetric frequency dependence of plasma jet formation in resonator electrode |
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