TY CONF TI High-frequency excitation of active media based on tunable transistor RF generators in the range of (1÷3) MHz in a pulse-periodic mode KW RF generator KW high-frequency induction pumping KW high-frequency capacitive pumping KW pulse-periodic mode KW single-dimensional discharge channel KW multi-dimensional discharge channel. JO XVII International conference on pulsed lasers and laser applications – AMPL-2025 AU Val'shin, A.M. AU Abzalilov, D.A. PY 2025 PB V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Sciences