V. Ya. Kolyuchkin - Dr.Sc. (Eng.), Professor, Department of Laser and Optoelectronic Systems, Bauman Moscow State Technical University. E-mail: vkoluch@bmstu.ru
Nguyen Cong Minh - Post-graduate Student, Bauman Moscow State Technical University. E-mail: congminh@yandex.ru
Tran Tien Hai - Post-graduate Student, Bauman Moscow State Technical University. E-mail: tienhai131@gmail.com