1. Research and Production Complex “Renewable Energy Sources and Resource-Saving Technologies”, National Science Center “Kharkiv Institute of Physics and Technology”,Kharkiv,Ukraine
2. Institute of Plasma Electronics and New Methods of Acceleration, National Science Center “Kharkiv Institute of Physics and Technology”,Kharkiv,Ukraine
3. Institute for Pulsed Power and Microwave Technology, Institute of Radio Frequency Engineering and Electronics, Karlsruhe Institute of Technology,Karlsruhe,Germany