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Proceedings Paper

PVDF ultrasonic probes for microsonography
Author(s): G. Lypacewicz; Andrzej Nowicki; Tadeusz Palko
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Paper Abstract

The purpose of the work was to design a high frequency ultrasonic probe with PVDF foil. The constructed probe was analyzed by modified Mason's computer model and validated experimentally. The coaxial cable, the compensating circuit, the transmitter and receiver impedances as well as the acoustical loading of the back transducer surface were taken into account. The result of study show that the overall sensitivity increases when the inductance in series compensating the clamped capacitance Co is applied and that the frequency of the transfer function maximum becomes twice lower than the transducer resonance frequency if the back transducer surface is loaded with a material of a high acoustic impedance.

Paper Details

Date Published: 13 February 1997
PDF: 7 pages
Proc. SPIE 3054, Optoelectronic and Electronic Sensors II, (13 February 1997); doi: 10.1117/12.266711
Show Author Affiliations
G. Lypacewicz, Institute of Fundamental Technological Research (Poland)
Andrzej Nowicki, Institute of Fundamental Technological Research (Poland)
Tadeusz Palko, Warsaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 3054:
Optoelectronic and Electronic Sensors II
Zdzislaw Jankiewicz; Henryk Madura, Editor(s)

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