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Silicon edges as one-dimensional waveguides for dispersion-free and supersonic leaky wedge waves

  • Acoustic waves guided by the cleaved edge of a Si(111) crystal were studied using a laser-based angle-tunable transducer for selectively launching isolated wedge or surface modes. A supersonic leaky wedge wave and the fundamental wedge wave were observed experimentally and confirmed theoretically. Coupling of the supersonic wave to shear waves is discussed, and its leakage into the surfaceAcoustic waves guided by the cleaved edge of a Si(111) crystal were studied using a laser-based angle-tunable transducer for selectively launching isolated wedge or surface modes. A supersonic leaky wedge wave and the fundamental wedge wave were observed experimentally and confirmed theoretically. Coupling of the supersonic wave to shear waves is discussed, and its leakage into the surface acoustic wave was observed directly. The velocity and penetration depth of the wedge waves were determined by contact-free optical probing. Thus, a detailed experimental and theoretical study of linear one-dimensional guided modes in silicon is presented.show moreshow less

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Metadaten
Document Type:Article (unreviewed)
Zitierlink: https://opus.hs-offenburg.de/363
Bibliografische Angaben
Title (English):Silicon edges as one-dimensional waveguides for dispersion-free and supersonic leaky wedge waves
Author:Alexey M. LomonosovStaff MemberORCiDGND, Peter Hess, Andreas MayerStaff MemberGND
Date of Publication (online):2012/07/17
Creating Corporation:American Institute of Physics
Place of publication:Melville, NY
Page Number:4
First Page:031904-1
Last Page:031904-4
Parent Title (English):Applied Physics Letters
Volume:101
Issue:3
ISSN:0003-6951 (Print)
ISSN:1077-3118 (Online)
DOI:https://doi.org/10.1063/1.4737011
URL:https://www.researchgate.net/publication/257952974
Language:English
Inhaltliche Informationen
Institutes:Fakultät Wirtschaft (W)
Institutes:Bibliografie
DDC classes:600 Technik, Medizin, angewandte Wissenschaften / 600 Technik
Tag:Silicone; Ultraschall; Wellenleiter
Formale Angaben
Open Access: Open Access 
Licence (German):License LogoUrheberrechtlich geschützt