Parametric modeling of wideband piezoelectric polymer sensors: Design for optoacoustic applications
| Autor: | Martín G. González, Patricio Aníbal Sorichetti, A. Fernández Vidal, C.L. Matteo, L. Ciocci Brazzano |
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| Rok vydání: | 2017 |
| Předmět: |
Materials science
OPTIMIZATION OF DEVICES Ciencias Físicas Acoustics Fast Fourier transform INGENIERÍAS Y TECNOLOGÍAS purl.org/becyt/ford/2.2 [https] OPTOACOUSTIC APPLICATIONS 01 natural sciences 030218 nuclear medicine & medical imaging 010309 optics purl.org/becyt/ford/1 [https] 03 medical and health sciences chemistry.chemical_compound 0302 clinical medicine Optics 0103 physical sciences Thin film Wideband Sound pressure Instrumentation Ingeniería Eléctrica Ingeniería Electrónica e Ingeniería de la Información Photoacoustic effect Ingeniería de Sistemas y Comunicaciones business.industry purl.org/becyt/ford/1.3 [https] Polyvinylidene fluoride Astronomía Transducer chemistry WIDEBAND PIEZOELECTRIC POLYMER SENSORS purl.org/becyt/ford/2 [https] Parametric model business CIENCIAS NATURALES Y EXACTAS |
| Zdroj: | CONICET Digital (CONICET) Consejo Nacional de Investigaciones Científicas y Técnicas instacron:CONICET |
| ISSN: | 1089-7623 |
| Popis: | 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. Fil: Fernández Vidal, A.. Universidad de Buenos Aires. Facultad de Ingeniería; Argentina Fil: Ciocci Brazzano, Ligia. Universidad de Buenos Aires. Facultad de Ingeniería; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Matteo, Claudia Leda. Universidad de Buenos Aires. Facultad de Ingeniería; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Sorichetti, Patricio Aníbal. Universidad de Buenos Aires. Facultad de Ingeniería; Argentina Fil: González, Martín Germán. Universidad de Buenos Aires. Facultad de Ingeniería; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina |
| Databáze: | OpenAIRE |
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