K. E. Abbakumov
Saint Petersburg Electrotechnical University
Russian Federation

Konstantin E. Abbakumov, Dr Sci. (2000), Professor (2001) of the Electroacoustics and Ultrasonic Engineering Department. The author of 172 scientific publications. Area of expertise: area of wave processes in complex-structured media; ultrasound diffraction on solids of complex shape; acoustic methods of nondestructive testing and measurements.

5 F, Professor Popov St., St Petersburg 197022

A. V. Vagin
Saint Petersburg Electrotechnical University
Russian Federation

Anton V. Vagin, Master in Instrument Engineering (2020), Postgraduate Student, Assistant of the Department of Electroacoustics and Ultrasonic Engineering. The author of 28 scientific publications. Area of expertise: propagation of elastic waves in stratified media, ultrasonic measurements, special instrumentation.

5 F, Professor Popov St., St Petersburg 197022

A. A. Vjuginova
Saint Petersburg Electrotechnical University
Russian Federation

Alena A. Vjuginova, Cand. Sci. (2013), Associate Professor of the Department of Electroacoustics and Ultrasonic Engineering. The author of 65 scientific publications. Area of expertise: ultrasonic technologies and equipment; ultrasonic emitting systems; ultrasonic transducers; acoustic methods of nondestructive testing and measurements.

5 F, Professor Popov St., St Petersburg 197022

I. G. Sidorenko
Saint Petersburg Electrotechnical University
Russian Federation

Irina G. Sidorenko – Engineer in Instrument Engineering (2010), |Assistant of the Department of Electroacoustics and Ultrasonic Engineering. The author of 15 scientific publications. Area of expertise: area of wave processes in complex-structured media; acoustic methods of nondestructive testing and measurements.

5 F, Professor Popov St., St Petersburg 197022

S. S. Sergeev
Inter-State Educational Institution of Higher Education "Belarusian-Russian University"
Belarus

Sergey S. Sergeev – Cand. Sci. (1984), Associate Professor, the head of the Department of Physical Control Methods. The author of 130 scientific publications. Area of expertise: area of fundamentals of the acousto-optical method of nondestructive testing; improvement of fiber-optic and acoustic methods and means of control and measurement.

43 Mira Ave, Mogilev 212000