Triggering and guiding of electric discharge by a train of sub-TW UV laser pulses

A. A. Ionin; S. I. Kudryashov; A. O. Levchenko; L. V. Seleznev; A. V. Shutov; D. V. Sinitsyn; I. V. Smetanin; E. S. Sunchugasheva; N. N. Ustinovsky; V. D. Zvorykin

doi:10.1117/12.2011304

16 May 2013 Triggering and guiding of electric discharge by a train of sub-TW UV laser pulses

A. A. Ionin, S. I. Kudryashov, A. O. Levchenko, L. V. Seleznev, A. V. Shutov, D. V. Sinitsyn, I. V. Smetanin, E. S. Sunchugasheva, N. N. Ustinovsky, V. D. Zvorykin

Author Affiliations +

Proceedings Volume 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012); 87961M (2013) https://doi.org/10.1117/12.2011304
Event: 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 2012, Xi'an, Shaanxi, China

Abstract

Electric breakdown and non-self-sustained electric discharge were triggered and guided by a train of ultrashort sub-TW ultraviolet (UV) pulses overlapped with a long free-running UV pulse of a hybrid Ti:Sapphire-KrF laser facility. Photocurrent sustained by this train is two orders of magnitude higher, and electric breakdown distance is twice longer than those for the discharge triggered by the long UV pulse only. UV filaments of ~100 m length were observed when transporting the laser radiation over the long distance.

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A. A. Ionin, S. I. Kudryashov, A. O. Levchenko, L. V. Seleznev, A. V. Shutov, D. V. Sinitsyn, I. V. Smetanin, E. S. Sunchugasheva, N. N. Ustinovsky, and V. D. Zvorykin "Triggering and guiding of electric discharge by a train of sub-TW UV laser pulses", Proc. SPIE 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 87961M (16 May 2013); https://doi.org/10.1117/12.2011304

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