Interaction of nanosecond ultraviolet laser pulses with reactive dusty plasma

F.M.J.H. van de Wetering, W. Oosterbeek, J. Beckers, S. Nijdam, T. Gibert, M. Mikikian, H. Rabat, E. Kovacevic, J. Berndt

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Abstract

Even though UV laser pulses that irradiate a gas discharge are small compared to the plasma volume (≲3%) and plasma-on time (≲6 × 10−6%), they are found to dramatically change the discharge characteristics on a global scale. The reactive argon–acetylene plasma allows the growth of nanoparticles with diameters up to 1 μm, which are formed inside the discharge volume due to spontaneous polymerization reactions. It is found that the laser pulses predominantly accelerate and enhance the coagulation phase and are able to suppress the formation of a dust void.
Original languageEnglish
Article number213103
Pages (from-to)1-5
JournalApplied Physics Letters
Volume108
Issue number21
DOIs
Publication statusPublished - 23 May 2016

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