A.P. Zagorodnov - Post-graduate Student, Institute of Precision Mechanics and Control RAS (Saratov) A.N. Yakunin - Dr. Sc. (Phys.-Math.), Senior Research Scientist, Head of Department, Institute of Precision Mechanics and Control RAS (Saratov). E-mail: anyakunin@mail.ru

V.Yu. Leushin1, I.A. Sidorov2, I.O. Porokhov3, S.V. Chizhikov4, S.V. Agasieva5, R.V. Agandeev6

1,2,4,6 Bauman Moscow State Technical University (Moscow, Russia)

3 Center of NTI "Photonics" of RUDN University (Moscow, Russia)

5 RUDN University (Moscow, Russia)

V.Yu. Leushin1, I.A. Sidorov2, I.O. Porokhov3, S.V. Chizhikov4, S.V. Agasieva5, R.V. Agandeev6

1,2,4,6 Bauman Moscow State Technical University (Moscow, Russia)

3 Center of NTI "Photonics" of RUDN University (Moscow, Russia)

5 RUDN University (Moscow, Russia)