TY CONF TI Study of current development in the eptron and optimization of its parameters for laser pumping KW eptron KW nanosecond switching KW capillary discharge KW self-terminating lasers KW copper vapor laser JO XVII International conference on pulsed lasers and laser applications – AMPL-2025 AU Bohan, P.A. AU Gugin, P.P. AU Zakrevskiy, D.E. AU Kim, V.A. AU Lavruhin, M.A. AU Shveygert, I.V. PY 2025 PB V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Sciences