G. S. Malyshev – Engineer, JSC "Afrikantov Experimental Design Bureau for Mechanical Engineering" (Nizhny Novgorod)

Yu. V. Raevskaya – Ph.D. (Eng.), Associate Professor of Department of Physics and Technology of Optical Communication, Nizhny Novgorod State Technical University n.a. R.E. Alekseev

E-mail: raevskaja@forum.nn.ru

A. A. Titarenko – Dr.Sc. (Eng.), Associate Professor of Department of Physics and Technology of Optical Communication,

Nizhny Novgorod State Technical University n.a. R.E. Alekseev; Deputy Chief Designer of FRPC “Measuring System Research Institute n.a. Yu.Ye. Sedakov” (Nizhny Novgorod)