Highly tunable Fabry-Perot resonators using ...
Document type :
Communication dans un congrès avec actes
DOI :
Title :
Highly tunable Fabry-Perot resonators using piezoelectric phononic crystals
Author(s) :
Dubus, Bertrand [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Ponge, Marie -Fraise [Auteur]
Hladky, Anne-Christine [Auteur]
Acoustique - IEMN [ACOUSTIQUE - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Vasseur, Jérôme [Auteur]
Acoustique - IEMN [ACOUSTIQUE - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Phamthi, Mai [Auteur]

Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Ponge, Marie -Fraise [Auteur]
Hladky, Anne-Christine [Auteur]

Acoustique - IEMN [ACOUSTIQUE - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Vasseur, Jérôme [Auteur]

Acoustique - IEMN [ACOUSTIQUE - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Phamthi, Mai [Auteur]
Conference title :
IEEE International Ultrasonics Symposium (IUS)
City :
Chicago
Country :
Etats-Unis d'Amérique
Start date of the conference :
2014-09-03
Book title :
IEEE International Ultrasonics Symposium (IUS)
Publisher :
IEEE
Publication date :
2014
English keyword(s) :
tunable resonator
piezoelectric resonator
phononic crystal
band gap
piezoelectric resonator
phononic crystal
band gap
HAL domain(s) :
Sciences de l'ingénieur [physics]
English abstract : [en]
Theoretical and experimental analyses of piezoelectric stacks submitted to periodical electrical boundary conditions via electrodes, are conducted. These structures are shown to exhibit Bragg band gaps which are switched ...
Show more >Theoretical and experimental analyses of piezoelectric stacks submitted to periodical electrical boundary conditions via electrodes, are conducted. These structures are shown to exhibit Bragg band gaps which are switched on or off by setting electrodes in short or open circuit. Band gap frequency width is determined by electromechanical coupling coefficient. This property is used to design a Fabry-Perot cavity the length of which is delimited by two periodical piezoelectrical stacks. Tunability of cavity resonance is obtained by varying cavity length i.e. by shifting spatially short circuit boundary conditions in the stacks. 36% tuning of resonance and antiresonance frequencies with almost constant resonator electromechanical coupling coefficient of 40% are theoretically predicted for PZT.Show less >
Show more >Theoretical and experimental analyses of piezoelectric stacks submitted to periodical electrical boundary conditions via electrodes, are conducted. These structures are shown to exhibit Bragg band gaps which are switched on or off by setting electrodes in short or open circuit. Band gap frequency width is determined by electromechanical coupling coefficient. This property is used to design a Fabry-Perot cavity the length of which is delimited by two periodical piezoelectrical stacks. Tunability of cavity resonance is obtained by varying cavity length i.e. by shifting spatially short circuit boundary conditions in the stacks. 36% tuning of resonance and antiresonance frequencies with almost constant resonator electromechanical coupling coefficient of 40% are theoretically predicted for PZT.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Source :