Optical generation of surface acoustic waves guided at the linear boundary between two thin films

Maznev, A. A.; Kelf, Timothy A.; Tomoda, Motonobu et al.

Journal of Applied Physics, 2010, 107(3), 033521

Permalink : https://hdl.handle.net/2115/42696

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アクセス権
open access
URI
https://hdl.handle.net/2115/42696
タイトル
Optical generation of surface acoustic waves guided at the linear boundary between two thin films
著者
Maznev, A. A. ; Kelf, Timothy A. ; Tomoda, Motonobu ; Matsuda, Osamu ; Wright, Oliver B.
著者名
Maznev, A. A.
著者名
Kelf, Timothy A.
著者名
Tomoda, Motonobu
著者名
Matsuda, Osamu
著者名
Wright, Oliver B.
言語
英語
キーワード
high-speed optical techniques
localised modes
substrates
surface acoustic waves
thin films
発行日
2010-02-01
出版者
American Institute of Physics
収録物名
Journal of Applied Physics
巻(号)
107(3)
ページ
033521
抄録
Laser-induced transient grating measurements and ultrafast optical pump-probe imaging of surface acoustic waves near a linear boundary between copper and silica films on a silicon substrate indicate the presence of a boundary-localized mode with a phase velocity slightly below the Rayleigh wave velocity on the copper film. We analyze in detail the dispersion of this localized mode in comparison with that of the Rayleigh waves in the surrounding materials. The existence of the localized mode is ascribed to the nonuniformity of the copper film thickness near its edge resulting from polishing during fabrication.
資源タイプ
学術雑誌論文
出版タイプ
Version of Record
権利情報
Copyright 2010 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in J. Appl. Phys. 107, 033521 (2010) and may be found at https://dx.doi.org/10.1063/1.3298472
PISSN
0021-8979
関連情報 (isIdenticalTo)
出版社版DOI
https://doi.org/10.1063/1.3298472