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