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@article{1767336, author = {Kusýn, Lukáš and Synek, Petr and Becker, Markus M. and Hoder, Tomáš}, article_number = {3}, doi = {http://dx.doi.org/10.1088/1361-6595/abe4e2}, keywords = {surface barrier discharge; streamer; filament; cathode spot; charge transfer; air}, language = {eng}, issn = {0963-0252}, journal = {Plasma Sources Science and Technology}, title = {Remote streamer initiation on dielectric surface}, url = {https://iopscience.iop.org/article/10.1088/1361-6595/abe4e2/meta}, volume = {30}, year = {2021} }
TY - JOUR ID - 1767336 AU - Kusýn, Lukáš - Synek, Petr - Becker, Markus M. - Hoder, Tomáš PY - 2021 TI - Remote streamer initiation on dielectric surface JF - Plasma Sources Science and Technology VL - 30 IS - 3 SP - "03LT02" EP - "03LT02" PB - IOP Publishing Ltd SN - 09630252 KW - surface barrier discharge KW - streamer KW - filament KW - cathode spot KW - charge transfer KW - air UR - https://iopscience.iop.org/article/10.1088/1361-6595/abe4e2/meta N2 - We study the origin of filamentary patterns in a sinusoidally driven surface barrier discharge at high over-voltage in atmospheric pressure air. Using a time-correlated single-photon counting based optical emission spectroscopy, we reveal ultrafast processes within generated discharges in both polarities of the applied voltage. For negative polarity, we observe initiation of complex streamer cascade which emerges far from the bare cathode. This event is responsible for long filamentary structure detected by an intensified CCD camera and transfers an exceptionally large electrical charge. It constitutes another, previously unknown, mechanism contributing to the charge-transfer equilibrium in studied periodical discharge. The revealed process leads to the formation of an intense cathode spot, a critical condition for plasma-transition into a highly ionised state. ER -
KUSÝN, Lukáš, Petr SYNEK, Markus M. BECKER a Tomáš HODER. Remote streamer initiation on dielectric surface. \textit{Plasma Sources Science and Technology}. IOP Publishing Ltd, roč.~30, č.~3, s.~''03LT02'', 6 s. ISSN~0963-0252. doi:10.1088/1361-6595/abe4e2. 2021.
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