A.M. Bobreshov - Dr. Sc. (Phys.-Math.), Professor, Dean of Faculty of Physics, Voronezh State University. E-mail: bobreshov@phys.vsu.ru A.S. Zhabin - Assistant, Faculty of Physics, Voronezh State University. E-mail: zhabin@phys.vsu.ru V.A. Stepkin - Ph. D. (Phys.-Math.), Associate Professor, Faculty of Physics, Voronezh State University. E-mail: stepkin@phys.vsu.ru G.K. Uskov - Dr. Sc. (Phys.-Math.), Associate Professor, Faculty of Physics, Voronezh State University. E-mail: uskov@phys.vsu.ru

A.M. Bobreshov – Dr. Sc. (Phys.-Math.), Professor, Head of Department of Electronics, Dean of Faculty of Physics, Voronezh State University

E-mail: bobreshov@phys.vsu.ru

A.S. Zhabin – Assistant, Department of Electronics, Voronezh State University

E-mail: zhabin@phys.vsu.ru

A.D. Ryazantsev – Student, Department of Electronics of Faculty of Physics, Voronezh State University E-mail: ryazantsev@phys.vsu.ru

V.A. Stepkin – Ph. D. (Phys.-Math.), Associate Professor, Department of Electronics, Voronezh State University E-mail: stepkin@phys.vsu.ru

G.K. Uskov – Dr. Sc. (Phys.-Math.), Associate Professor, Department of Electronics, Voronezh State University E-mail: uskov@phys.vsu.ru

A.M. Bobreshov – Dr.Sc.(Phys.-Math.), Professor, Head of Department of Electronics, Dean of Faculty of Physics, Voronezh State University

E-mail: bobreshov@phys.vsu.ru

A.S. Zhabin – Assistant, Department of Electronics, Voronezh State University

E-mail: zhabin@phys.vsu.ru

A.D. Ryazantsev – Student, Department of Electronics of Faculty of Physics, Voronezh State University E-mail: ryazantsev@phys.vsu.ru

V.A. Stepkin – Ph.D.(Phys.-Math.), Associate Professor, Department of Electronics, Voronezh State University E-mail: stepkin@phys.vsu.ru

G.K. Uskov – Dr.Sc.(Phys.-Math.), Associate Professor, Department of Electronics, Voronezh State University E-mail: uskov@phys.vsu.ru

A.V. Korolev1, S.G. Rykov2, I.A. Sidorov3, A.G. Gudkov4, S.V. Chigikov5

1,3–5 Bauman Moscow State Technical University (Moscow, Russia)

2 LLC "Scientific and Production Innovative Company "HYPERION"(Moscow, Russia)

1 teleret@mail.ru, 2 brig001@mail.ru, 3 igorasidorov@yandex.ru, 4 profgudkov@gmail.com, 5 chigikov95@mail.ru

A.S. Velichkina1, A.E. Elfimov2, G.K. Uskov3, A.M. Bobreshov4

1-4 Voronezh State University (Voronezh, Russia)

1 velichkina@phys.vsu.ru; 2 elfimov@phys.vsu.ru; 3 uskov@phys.vsu.ru; 4 bobreshov@phys.vsu.ru