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

N.N. Mymrikova – Dr. Sc. (Phys.-Math.), Professor, Department of Electronics, Voronezh State University

E-mail: ninamymrikova@gmail.com

A.A. Yablonskikh – Post-graduate Student, Department of Electronics, Voronezh State University E-mail: jablonskihaa@yandex.ru