Abstract
The capability of focusing of a novel acoustic lens based on a mesoscale acoustic cuboid particle filled with CO2 gas is analysed. This flat lens is able to focus sound in the same way that conventional curved acoustic lenses do. It is shown that the sound speed inside the cuboid is the responsible for this effect. By changing the percentage of CO2, the sound speed inside the cube changes and, therefore, the focusing properties change as well. The focusing effect is numerically investigated and experimentally validated. The results obtained allow the design of new flat low cost acoustic lenses with wavelength-scale dimensions for different applications.
| Original language | English |
|---|---|
| Article number | 64002 |
| Journal | EPL |
| Volume | 123 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 1 Sep 2018 |
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ASJC Scopus subject areas
- Physics and Astronomy(all)
Cite this
Sound focusing of a wavelength-scale gas-filled flat lens. / Rubio, Constanza; Tarrazó-Serrano, Daniel; Minin, Oleg V.; Uris, Antonio; Minin, Igor V.
In: EPL, Vol. 123, No. 6, 64002, 01.09.2018.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Sound focusing of a wavelength-scale gas-filled flat lens
AU - Rubio, Constanza
AU - Tarrazó-Serrano, Daniel
AU - Minin, Oleg V.
AU - Uris, Antonio
AU - Minin, Igor V.
PY - 2018/9/1
Y1 - 2018/9/1
N2 - The capability of focusing of a novel acoustic lens based on a mesoscale acoustic cuboid particle filled with CO2 gas is analysed. This flat lens is able to focus sound in the same way that conventional curved acoustic lenses do. It is shown that the sound speed inside the cuboid is the responsible for this effect. By changing the percentage of CO2, the sound speed inside the cube changes and, therefore, the focusing properties change as well. The focusing effect is numerically investigated and experimentally validated. The results obtained allow the design of new flat low cost acoustic lenses with wavelength-scale dimensions for different applications.
AB - The capability of focusing of a novel acoustic lens based on a mesoscale acoustic cuboid particle filled with CO2 gas is analysed. This flat lens is able to focus sound in the same way that conventional curved acoustic lenses do. It is shown that the sound speed inside the cuboid is the responsible for this effect. By changing the percentage of CO2, the sound speed inside the cube changes and, therefore, the focusing properties change as well. The focusing effect is numerically investigated and experimentally validated. The results obtained allow the design of new flat low cost acoustic lenses with wavelength-scale dimensions for different applications.
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UR - http://www.scopus.com/inward/citedby.url?scp=85055801842&partnerID=8YFLogxK
U2 - 10.1209/0295-5075/123/64002
DO - 10.1209/0295-5075/123/64002
M3 - Article
VL - 123
JO - Europhysics Letters
JF - Europhysics Letters
SN - 0295-5075
IS - 6
M1 - 64002
ER -