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Resonant transmission in stop bands of ...
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Document type :
Autre communication scientifique (congrès sans actes - poster - séminaire...): Communication dans un congrès avec actes
Title :
Resonant transmission in stop bands of acoustic waves in periodic structures
Author(s) :
Zhang, Victor [Auteur] refId
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Lefebvre, Jean-Etienne [Auteur]
Gryba, Tadeusz [Auteur]
Conference title :
Proceedings of the 2005 Joint World Congress on Ultrasonics/Ultrasonics International, WCU/UI'05
City :
Beijing
Country :
Chine
Start date of the conference :
2005-08-29
Publication date :
2005
English keyword(s) :
Acoustical filter
BAW
Bragg coupler
Periodic super lattice
Resonant transmission
HAL domain(s) :
Sciences de l'ingénieur [physics]
English abstract : [en]
Acoustic resonant transmission (RT) phenomenon found in Bragg couplers made of alternatively high (H) and low (L) impedance materials is theoretically investigated. The existence of the RT within the Bragg stop bands is ...
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Acoustic resonant transmission (RT) phenomenon found in Bragg couplers made of alternatively high (H) and low (L) impedance materials is theoretically investigated. The existence of the RT within the Bragg stop bands is analytically demonstrated, along with the exact peak values expressed in closed form in terms of the coupler parameters. RT takes place either when the coupler is terminated with an L-layer and has its bottom surface free, or when it is terminated with an H-layer and the bottom clamped. Numerical results are given for the transmission and reflection rates in Bragg couplers made of tungsten and SiO2 layers.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Non spécifiée
Popular science :
Non
Collections :
  • Institut d'Électronique, de Microélectronique et de Nanotechnologie (IEMN) - UMR 8520
Source :
Harvested from HAL
Université de Lille

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