Phase and amplitude relations between fundamental and second harmonic acoustic surface waves on SiO2 and LiNbO3
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- A. Alippi
- Istituto di Acustica ''O. M. Corbino'', CNR, Rome, Italy
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- A. Palma
- Istituto di Acustica ''O. M. Corbino'', CNR, Rome, Italy
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- L. Palmieri
- Istituto di Acustica ''O. M. Corbino'', CNR, Rome, Italy
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- G. Socino
- Istituto di Acustica ''O. M. Corbino'', CNR, Rome, Italy
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抄録
<jats:p>The spread of results obtained by different theoretical approaches in studying acoustic surface wave nonlinear interaction and difficulties in treating strongly piezoelectric materials indicate a need for more experimental data. In the present work the spectral asymmetries of the light diffracted by surface waves are analyzed in order to evaluate the complex coupling coefficient in second harmonic surface-wave generation. The experimental conditions are such as to keep the acoustic energy mostly confined to within fundamental and second harmonic waves. Amplitude and phase of nonlinear coupling coefficients were separately determined for LiNbO3 and crystalline SiO2 substrates through different geometries of the acousto-optical interaction, crystal cuts, and propagation directions of the waves.</jats:p>
収録刊行物
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- Journal of Applied Physics
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Journal of Applied Physics 48 (6), 2182-2190, 1977-06-01
AIP Publishing
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詳細情報
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- CRID
- 1360298344712115968
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- NII論文ID
- 30015870892
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- NII書誌ID
- AA00693547
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- DOI
- 10.1063/1.324019
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- ISSN
- 10897550
- 00218979
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