Rayleigh and Wood anomalies in the diffraction of acoustic waves from the periodically corrugated surface of an elastic medium
By the use of the Rayleigh method we have calculated the angular dependence of the reflectivity and the efficiencies of several other diffracted orders when the periodically corrugated surface of an isotropic elastic medium is illuminated by a volume acoustic wave of shear horizontal polarization. T...
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| Datum: | 2016 |
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| Sprache: | English |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2016
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| Zitieren: | Rayleigh and Wood anomalies in the diffraction of acoustic waves from the periodically corrugated surface of an elastic medium / A.A. Maradudin, I. Simonsen // Физика низких температур. — 2016. — Т. 42, № 5. — С. 455-462. — Бібліогр.: 20 назв. — англ. |
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Maradudin, A.A. Simonsen, I. 2018-01-16T13:20:04Z 2018-01-16T13:20:04Z 2016 Rayleigh and Wood anomalies in the diffraction of acoustic waves from the periodically corrugated surface of an elastic medium / A.A. Maradudin, I. Simonsen // Физика низких температур. — 2016. — Т. 42, № 5. — С. 455-462. — Бібліогр.: 20 назв. — англ. 0132-6414 PACS: 62.30.+d, 46.40.Cd, 68.35.Iv https://nasplib.isofts.kiev.ua/handle/123456789/129102 By the use of the Rayleigh method we have calculated the angular dependence of the reflectivity and the efficiencies of several other diffracted orders when the periodically corrugated surface of an isotropic elastic medium is illuminated by a volume acoustic wave of shear horizontal polarization. These dependencies display the signatures of Rayleigh and Wood anomalies, usually associated with the diffraction of light from a metallic grating. The Rayleigh anomalies occur at angles of incidence at which a diffracted order appears or disappears; the Wood anomalies here are caused by the excitation of the shear horizontal surface acoustic waves supported by the periodically corrugated surface of an isotropic elastic medium. The dispersion curves of these waves in both the nonradiative and radiative regions of the frequency-wavenumber plane are calculated, and used in predicting the angles of incidence at which the Wood anomalies are expected to occur. We dedicate this paper to the memory of Professor K.B. Tolpygo, on the occasion of his 100-year anniversary. He was a fine scholar and a fine person, whom it was a pleasure to know. The research of I.S. was supported in part by the Research Council of Norway Contract No. 216699. en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур К 100-летию со дня рождения К.Б. Толпыго Rayleigh and Wood anomalies in the diffraction of acoustic waves from the periodically corrugated surface of an elastic medium Article published earlier |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| title |
Rayleigh and Wood anomalies in the diffraction of acoustic waves from the periodically corrugated surface of an elastic medium |
| spellingShingle |
Rayleigh and Wood anomalies in the diffraction of acoustic waves from the periodically corrugated surface of an elastic medium Maradudin, A.A. Simonsen, I. К 100-летию со дня рождения К.Б. Толпыго |
| title_short |
Rayleigh and Wood anomalies in the diffraction of acoustic waves from the periodically corrugated surface of an elastic medium |
| title_full |
Rayleigh and Wood anomalies in the diffraction of acoustic waves from the periodically corrugated surface of an elastic medium |
| title_fullStr |
Rayleigh and Wood anomalies in the diffraction of acoustic waves from the periodically corrugated surface of an elastic medium |
| title_full_unstemmed |
Rayleigh and Wood anomalies in the diffraction of acoustic waves from the periodically corrugated surface of an elastic medium |
| title_sort |
rayleigh and wood anomalies in the diffraction of acoustic waves from the periodically corrugated surface of an elastic medium |
| author |
Maradudin, A.A. Simonsen, I. |
| author_facet |
Maradudin, A.A. Simonsen, I. |
| topic |
К 100-летию со дня рождения К.Б. Толпыго |
| topic_facet |
К 100-летию со дня рождения К.Б. Толпыго |
| publishDate |
2016 |
| language |
English |
| container_title |
Физика низких температур |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| format |
Article |
| description |
By the use of the Rayleigh method we have calculated the angular dependence of the reflectivity and the efficiencies of several other diffracted orders when the periodically corrugated surface of an isotropic elastic medium is illuminated by a volume acoustic wave of shear horizontal polarization. These dependencies display the signatures of Rayleigh and Wood anomalies, usually associated with the diffraction of light from a metallic grating. The Rayleigh anomalies occur at angles of incidence at which a diffracted order appears or disappears; the Wood anomalies here are caused by the excitation of the shear horizontal surface acoustic waves supported by the periodically corrugated surface of an isotropic elastic medium. The dispersion curves of these waves in both the nonradiative and radiative regions of the frequency-wavenumber plane are calculated, and used in predicting the angles of incidence at which the Wood anomalies are expected to occur.
|
| issn |
0132-6414 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/129102 |
| citation_txt |
Rayleigh and Wood anomalies in the diffraction of acoustic waves from the periodically corrugated surface of an elastic medium / A.A. Maradudin, I. Simonsen // Физика низких температур. — 2016. — Т. 42, № 5. — С. 455-462. — Бібліогр.: 20 назв. — англ. |
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| first_indexed |
2025-12-07T20:20:16Z |
| last_indexed |
2025-12-07T20:20:16Z |
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