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

Content Provider	IEEE Xplore Digital Library
Author	Jianqi Qin Pasko, V.P. Celestin, S. Cummer, S.A. McHarg, M.G. Stenbaek-Nielsen, H.C.
Copyright Year	1973
Abstract	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.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	2738
Ending Page	2742
Page Count	5
File Size	2336138
File Format	PDF
ISSN	00933813
Volume Number	43
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phosphors Sprites (computer) Cameras Optical imaging Streaming media High-speed optical techniques Deconvolution transient luminous events. high-speed imaging phosphor persistence plasma discharges sprite streamers transient luminous events
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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