[HTML][HTML] A review of acoustic impedance matching techniques for piezoelectric sensors and transducers
VT Rathod - Sensors, 2020 - mdpi.com
The coupling of waves between the piezoelectric generators, detectors, and propagating
media is challenging due to mismatch in the acoustic properties. The mismatch leads to the …
media is challenging due to mismatch in the acoustic properties. The mismatch leads to the …
Acoustic metamaterials: A review of theories, structures, fabrication approaches, and applications
G Liao, C Luan, Z Wang, J Liu… - Advanced Materials …, 2021 - Wiley Online Library
Acoustic metamaterials (AMs), which are materials composed of subwavelength periodic
artificial structures with specific designs, have drawn significant research attention. This is …
artificial structures with specific designs, have drawn significant research attention. This is …
[HTML][HTML] Reflected wavefront manipulation based on ultrathin planar acoustic metasurfaces
The introduction of metasurfaces has renewed the Snell's law and opened up new degrees
of freedom to tailor the optical wavefront at will. Here, we theoretically demonstrate that the …
of freedom to tailor the optical wavefront at will. Here, we theoretically demonstrate that the …
[HTML][HTML] Hybrid acoustic metamaterial as super absorber for broadband low-frequency sound
A hybrid acoustic metamaterial is proposed as a new class of sound absorber, which
exhibits superior broadband low-frequency sound absorption as well as excellent …
exhibits superior broadband low-frequency sound absorption as well as excellent …
[HTML][HTML] Anomalous refraction of airborne sound through ultrathin metasurfaces
Similar to their optic counterparts, acoustic components are anticipated to flexibly tailor the
propagation of sound. However, the practical applications, eg for audible sound with large …
propagation of sound. However, the practical applications, eg for audible sound with large …
Acoustic carpet cloak based on an ultrathin metasurface
An acoustic metasurface carpet cloak based on membrane-capped cavities is proposed and
investigated numerically. This design has been chosen for allowing ultrathin geometries …
investigated numerically. This design has been chosen for allowing ultrathin geometries …
Extraordinary acoustic transmission through ultrathin acoustic metamaterials by coiling up space
We show that by coiling up space through curled channels, a two-dimensional ultrathin
acoustic metamaterial can be constructed to support the extraordinary acoustic transmission …
acoustic metamaterial can be constructed to support the extraordinary acoustic transmission …
Acoustic Fresnel lenses with extraordinary transmission
We investigate numerically and experimentally highly efficient acoustic lenses based on the
principle of extraordinary acoustic transmission. We study circular, flat lenses composed of …
principle of extraordinary acoustic transmission. We study circular, flat lenses composed of …
3D-printed gradient-index phononic crystal lens for underwater acoustic wave focusing
A 3D-printed gradient-index phononic crystal structure based on air inclusions in a polymer
is introduced to manipulate underwater acoustic waves. The proposed approach enables a …
is introduced to manipulate underwater acoustic waves. The proposed approach enables a …
Extraordinary optical transmission: fundamentals and applications
SG Rodrigo, F de Leon-Perez… - Proceedings of the …, 2016 - ieeexplore.ieee.org
Extraordinary optical transmission (EOT) is a term that refers to electromagnetic resonances
through sets of subwavelength apertures in either a flat or a corrugated metal film, providing …
through sets of subwavelength apertures in either a flat or a corrugated metal film, providing …