R.T. Sibatov - Dr. Sc. (Phys.-Math.), Engineering and Physical Department of High Technologies, Ulyanovsk State University. E-mail: ren_sib@bk.ru
J.V. Saenko - Ph. D. (Biol.), Senior Research Scientist, Research Institute of Technology, Ulyanovsk State University. E-mail: saenkoyv@yandex.ru
E.S. Glushhenko - Junior Research Scientist, Research Institute of Technology, Ulyanovsk State University. E-mail: JaneG@yandex.ru
A.N. Byzykchi - Master Student, Engineering and physical dept. of high technologies, Ulyanovsk State University. E-mail: azy.baza@gmail.com