I. A. Illarionov

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

K. V. Kobrin – Ph.D. (Phys.-Math.), Associate Professor, Southern Federal University (Rostov-on-Don)

M. B. Manuilov – Dr.Sc. (Phys.-Math.), Professor, Southern Federal University (Rostov-on-Don) E-mail: m_manuilov@sfedu.ru

I.Yu. Khlopushin1, A.A. Tsvetnov2

1,2 JSC «NPP «Polet» (Nizhny Novgorod, Russia)

1 igxlop@citydom.ru