S.V. Ermak - Ph. D. (Phys.-Math.), Associate Professor, Department КЭ, Institute of Physics, Nanotechnology and Telecommunications, Peter The Great St.Petersburg Polytechnic University. E-mail: serge_ermak@mail.ru E.A. Sagitov - Bachelor, Department КЭ, Institute of Physics, Nanotechnology and Telecommunications, Peter The Great St.Petersburg Polytechnic University. E-mail: e-sagitov@mail.ru R.V. Smolin - Post-graduate Student, Department КЭ, Institute of Physics, Nanotechnology and Telecommunications, Peter The Great St.Petersburg Polytechnic University. E-mail: yarosvet@bk.ru M.I. Fedorov - Bachelor, Department КЭ, Institute of Physics, Nanotechnology and Telecommunications, Peter The Great St.Petersburg Polytechnic University. E-mail: max_gc@mail.ru V.V. Semenov - Dr. Sc. (Phys.-Math.), Professor, Department КЭ, Institute of Physics, Nanotechnology and Telecommunications, Peter The Great St.Petersburg Polytechnic University. E-mail: vladimir_semenov@mail.ru