Artículo
Parametric modeling of wideband piezoelectric polymer sensors: Design for optoacoustic applications
Fernández Vidal, A.; Ciocci Brazzano, Ligia
; Matteo, Claudia Leda
; Sorichetti, Patricio Aníbal; González, Martín Germán
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Fecha de publicación:
09/2017
Editorial:
American Institute of Physics
Revista:
Review of Scientific Instruments
ISSN:
0034-6748
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
In this work, we present a three-dimensional model for the design of wideband piezoelectric polymer sensors which includes the geometry and the properties of the transducer materials. The model uses FFT and numerical integration techniques in an explicit, semi-analytical approach. To validate the model, we made electrical and mechanical measurements on homemade sensors for optoacoustic applications. Each device was implemented using a polyvinylidene fluoride thin film piezoelectric polymer with a thickness of 25 μm. The sensors had detection areas in the range between 0.5 mm2 and 35 mm2 and were excited by acoustic pressure pulses of 5 ns (FWHM) from a source with a diameter around 10 μm. The experimental data obtained from the measurements agree well with the model results. We discuss the relative importance of the sensor design parameters for optoacoustic applications and we provide guidelines for the optimization of devices.
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Citación
Fernández Vidal, A.; Ciocci Brazzano, Ligia; Matteo, Claudia Leda; Sorichetti, Patricio Aníbal; González, Martín Germán; Parametric modeling of wideband piezoelectric polymer sensors: Design for optoacoustic applications; American Institute of Physics; Review of Scientific Instruments; 88; 9; 9-2017; 1-9; 095004
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