Alexey Bogatchenkov

University of Windsor, Windsor, Ontario, Canada

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Publications (1)1.82 Total impact

  • Sergey Titov, Roman Maev, Alexey Bogatchenkov
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    ABSTRACT: We present a new wide-aperture, line-focused ultrasonic material characterization system. The foci of the transmitting and receiving transducers are located in the specimen-immersion liquid interface; and the output voltage V(x,t) of the system is recorded as a function of the lateral position of the receiving transducer. The two-dimensional spectrum of V(x, t) can be expressed as a product of the transfer function of the system and the reflectance function of the interface. In comparison with a system based on scanning in the z direction, the angular resolution of the proposed technique increases with decreasing angle of incidence. There are no geometrical restrictions on the length of the recorded spatial data and the angle of incidence in the case of lateral scanning. The temperature coefficient of the measurement error is low because of the constancy of the propagation distance of ultrasound in the immersion fluid during data acquisition.
    IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control 09/2003; 50(8):1046-56. · 1.82 Impact Factor