Application of Phase-Reversal Fresnel Zone Plates for Improving The Elevation Resolution in Ultrasonic Testing with Phased Arrays

Sensors (Nov 2019)

Affiliations

Dmitry O. Dolmatov: National Research Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk 634050, Russia
Daniel Tarrazó-Serrano: Centro de Tecnologías Físicas, Universitat Politècnica de València, Camí de Vera s/n, 46022 València, Spain
German A. Filippov: National Research Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk 634050, Russia
Igor V. Minin: National Research Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk 634050, Russia
Oleg V. Minin: National Research Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk 634050, Russia
Dmitry A. Sednev: National Research Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk 634050, Russia

Abstract

Currently, phased arrays have found wide application in ultrasonic nondestructive testing. Volumetric results provided by the