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ICCD microscopy and spectroscopy of a single surface coplanar DBD micro-discharge driven in N2, O2 and in synthetic air at atmospheric pressure

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    0353510 - ÚFP 2011 RIV SK eng C - Conference Paper (international conference)
    Šimek, Milan
    ICCD microscopy and spectroscopy of a single surface coplanar DBD micro-discharge driven in N2, O2 and in synthetic air at atmospheric pressure.
    Book of Contributed Papers of 12th International Symposium on High Pressure Low Temperature Plasma Chemistry. Vol. 1. Bratislava: Comenius University, 2010 - (Országh, J.; Papp, P.; Matejčík, Š.), s. 188-192. ISBN 978-80-89186-72-3.
    [International Symposium on High Pressure Low Temperature Plasma Chemistry (HAKONE XII)/12th./. Kúpeľná Dvorana, Trenčianske Teplice (SK), 12.09.2010-17.09.2010]
    R&D Projects: GA ČR GA202/08/1106
    Institutional research plan: CEZ:AV0Z20430508
    Keywords : Coplanar surface dielectric barrier discharge * metastables * ICCD microscopy
    Subject RIV: BL - Plasma and Gas Discharge Physics
    http://neon.dpp.fmph.uniba.sk/hakoneXII

    Techniques of the ICCD microscopy, ICCD spectrometry and multi-channel photon-counting with nanosecond time resolution were employed to study basic radiative characteristics of a single isolated micro-discharge generated in a surface DBD reactor with nanosecond time resolution. Fast ICCD was utilized to register images and spectrally-resolved emission of individual micro-discharges synchronously either with high voltage waveforms or with micro-discharge current pulses. Build-up and decay time constants of several excited states together with streamer channel diameter were obtained for an isolated micro-discharge which is essentially free of an interference that might be caused by reactive species produced and left by preceding discharges. Such characteristics provide important benchmarks for more complex surface DBD geometries where accumulation of species capable of affecting the physical chemistry of micro-discharges readily occurs.
    Permanent Link: http://hdl.handle.net/11104/0192747

     
     
Number of the records: 1  

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