I. V. Donets, S. M. Tsvetkovskaya

А.V. Kozar - Professor, Department of photonics and microwave physics, M.V. Lomonosov Moscow State University. E-mail: avk@phys.msu.ru А.V. Trofimov - Post-graduate Student, Department of photonics and microwave physics, M.V. Lomonosov Moscow State University. E-mail: av.trofimov@physics.msu.ru

E.Yu. Agu - Post-graduate Student, Kaluga branch of the Bauman MSTU E-mail: liza.kornyushina@gmail.com A.V. Chelenko - Post-graduate Student, Kaluga branch of the Bauman MSTU E-mail: apererva@yandex.ru D.K. Nikiforov - Ph. D. (Phys.-Math.), Deputy Director, Kaluga branch of the Financial University under the Government of RF E-mail: dm_nikif@rambler.ru K.G. Nikiforov - Dr. Sc. (Phys.-Math.), Professor, Kaluga State University named after K.E. Tsiolkovsky E-mail: kgn@kspu.kaluga.ru

O.L. Balysheva – Ph. D. (Eng.), Associate Professor, Department of Designing and Technology of Electronic and

Laser Means, Saint-Petersburg State University of Aerospace Instrumentation E-mail: balysheva@mail.ru