Effects of Phosphor Persistence on High-Speed Imaging of Transient Luminous Events

Jianqi Qin, Victor P. Pasko, Sebastien Celestin, Steven A. Cummer, Matthew G. McHarg, Hans C. Stenbaek-Nielsen

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    1 Scopus citations


    High-speed intensified cameras are commonly used to observe and study the transient luminous events known as sprite halos and sprite streamers occurring in the Earth's upper atmosphere in association with thunderstorm activity. In such observations, the phosphor persistence in the image intensifier, depending on its characteristic decay time, might lead to a significant distortion of the optical signals recorded by those cameras. In this paper, we analyze the observational data obtained using different camera systems to discuss the effects of phosphor persistence on high-speed video observations of sprites, and introduce a deconvolution technique to effectively reduce such effects. The discussed technique could also be used to enhance the high-speed images of other transient optical phenomena in the case when the phosphor persistence has a characteristic decay time that is comparable with the temporal resolution of the cameras required to resolve the phenomena.

    Original languageEnglish (US)
    Article number7163612
    Pages (from-to)2738-2742
    Number of pages5
    JournalIEEE Transactions on Plasma Science
    Issue number8
    StatePublished - Aug 1 2015

    All Science Journal Classification (ASJC) codes

    • Nuclear and High Energy Physics
    • Condensed Matter Physics


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