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Sub-nanosecond delays of light emitted by streamer in atmospheric pressure air: Analysis of N2(C3Piu) and N2+(B2Sigmau+) emissions and fundamental streamer structure

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F15%3A00082398" target="_blank" >RIV/00216224:14310/15:00082398 - isvavai.cz</a>

  • Result on the web

    <a href="http://scitation.aip.org/content/aip/journal/jap/117/7/10.1063/1.4913215" target="_blank" >http://scitation.aip.org/content/aip/journal/jap/117/7/10.1063/1.4913215</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1063/1.4913215" target="_blank" >10.1063/1.4913215</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Sub-nanosecond delays of light emitted by streamer in atmospheric pressure air: Analysis of N2(C3Piu) and N2+(B2Sigmau+) emissions and fundamental streamer structure

  • Original language description

    Theoretical analysis of ultra-short phenomena occurring during the positive streamer propagation in atmospheric pressure air is presented. Motivated by experimental results obtained with tens-ofpicoseconds and tens-of-microns precision, it is shown thatwhen the streamer head passes a spatial coordinate, emission maxima from N2 and N+2 radiative states follow with different delays. These different delays are caused by differences in the dynamics of populating the radiative states, due to different excitation and quenching rates. Associating the position of the streamer head with the maximum value of the self-enhanced electric field, a delay of 160 ps was experimentally found for the peak emission of the first negative system of N+2 . A delay dilatationwas observed experimentally on early-stage streamers and the general mechanism of this phenomenon is clarified theoretically. In the case of the second positive system of N2, the delay can reach as much as 400 ps.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BL - Plasma physics and discharge through gases

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2015

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Applied Physics

  • ISSN

    0021-8979

  • e-ISSN

  • Volume of the periodical

    117

  • Issue of the periodical within the volume

    7

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    13

  • Pages from-to

    "nestránkováno"

  • UT code for WoS article

    000351130900005

  • EID of the result in the Scopus database