The use of polarized bounded beams to determine the groove direction of a surface corrugation at normal incidence, the generation of surface waves and the insonification at Bragg-angles
✍ Scribed by Nico F. Declercq; Rudy Briers; Oswald Leroy
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 160 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0041-624X
No coin nor oath required. For personal study only.
✦ Synopsis
Zero order reflected sound from a singly corrugated interface between a solid and a liquid, insonified from the solid side by circular polarized shear waves, can become almost perfect linearly polarized in a direction parallel or perpendicular to the corrugations, depending on the frequency, and can therefore reveal the direction of the corrugations. When narrow bounded beams, formed by a summation of infinite plane waves, are diffracted at certain frequencies, depending on the angle of incidence, or vice versa, one can predict phenomena like backscattering at Bragg-angle incidence and also the creation of Scholte-Stoneley waves.