Loading...
Please wait, while we are loading the content...
Similar Documents
International Congress on Ultrasonics , 2015 ICU Metz High-order acoustic Bessel beam generation by spiral gratings
| Content Provider | Semantic Scholar |
|---|---|
| Author | Jiméneza, N. Sánchez-Morcilloa, V. J. Picóa, R. Garcia-Ra, L. M. Romero-Garciac, V. Staliunasd, K. |
| Copyright Year | 2015 |
| Abstract | We report first-order Bessel beam formation by means of a novel passive acoustic device. The scattering of plane waves by a spiral grating leads to the creation of an acoustic vortex with a pressure null on-axis. Numerical simulations and experimental results report the formation of an acoustic vortex in the near field as the phase presents a screw dislocation and the field is null at the axis. The control of the vorticity and the characteristics of Bessel beams are useful for potential applications on low-cost acoustic tweezers and acoustic radiation force applications. c © 2015 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the Scientific Committee of 2015 ICU Metz. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://core.ac.uk/download/pdf/82275176.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
