G.G. Denisov - Corresponding Member of RAS, Head of Department, Institute of Applied Physics (Nizhni Novgorod); Professor, Nizhegorodskii State University n.a. N.I. Lobachevskii. E-mail: den@appl.sci-nnov.ru A.A. Bogdashov - Ph.D. (Phys.-Math.), Senior Research Scientist, Institute of Applied Physics (Nizhni Novgorod) I.G. Gachev - Ph.D. (Phys.-Math.), Senior Research Scientist, Institute of Applied Physics (Nizhni Novgorod) S.V. Mishakin - Ph.D. (Phys.-Math.), Senior Research Scientist, Institute of Applied Physics (Nizhni Novgorod) S.V. Samsonov - Dr.Sc. (Phys.-Math.), Senior Research Scientist, Institute of Applied Physics (Nizhni Novgorod) E.V. Sokolov - Ph.D. (Phys.-Math.), Senior Research Scientist, Institute of Applied Physics (Nizhni Novgorod); Director, JSC «Gikom» E.A. Soluyanova - Ph.D. (Phys.-Math.), Head of Department, JSC «Gikom» E.M. Tai - Ph.D. (Phys.-Math.), Director, Nizhegorodskii Department of JSC «Gikom»