1. Institute of Automation and Electrometry, Russian Academy of Sciences, Novosibirsk, Russia;
2. Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, Russia;
3. Institute of Engineering Physics and Radioelectronics, Siberian Federal University, Krasnoyarsk, Russia;
4. Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow, Russia