Self‐collimation in photonic crystals: applications and opportunities
A comprehensive review considering recent advances in self‐collimation and its
applications in optical integration is covered in the current article. Self‐collimation is …
applications in optical integration is covered in the current article. Self‐collimation is …
Flexural wave manipulation in perforated metamaterial plates with acoustic black holes interconnected by piezoelectric studs
W Gao, J Hu, Z Qin, F Chu - Composite Structures, 2023 - Elsevier
Aiming at achieving lower and broader bandgaps (BGs) and stronger collimation effect, this
research proposes a novel perforated metamaterial plate with acoustic black holes (ABHs) …
research proposes a novel perforated metamaterial plate with acoustic black holes (ABHs) …
Reconstructed Gaussian basis to characterize flexural wave collimation in plates with periodic arrays of annular acoustic black holes
While embedding acoustic black holes (ABHs) in plates has proved to be a lightweight and
useful solution for noise and vibration reduction, their potential for wave manipulation is only …
useful solution for noise and vibration reduction, their potential for wave manipulation is only …
Band gap tunability of magneto-elastic phononic crystal
O Bou Matar, JF Robillard, JO Vasseur… - Journal of Applied …, 2012 - pubs.aip.org
The possibility of control and tuning of the band structures of phononic crystals offered by the
introduction of an active magnetoelastic material and the application of an external magnetic …
introduction of an active magnetoelastic material and the application of an external magnetic …
Multi-objective optimization of two-dimensional porous phononic crystals
In this paper, we show that it is possible to design two-dimensional (2D) porous phononic
crystals (PnCs) with a simultaneously maximal bandgap width (BGW) and the minimal mass …
crystals (PnCs) with a simultaneously maximal bandgap width (BGW) and the minimal mass …
[HTML][HTML] Two-dimensional structure-embedded acoustic lenses based on periodic acoustic black holes
H Zhu, F Semperlotti - Journal of Applied Physics, 2017 - pubs.aip.org
Recent studies have introduced a new class of two-dimensional acoustic metamaterials
whose dispersion and propagation properties result from the use of geometric …
whose dispersion and propagation properties result from the use of geometric …
Effective impedance boundary optimization and its contribution to dipole radiation and radiation pattern control
L Quan, X Zhong, X Liu, X Gong, PA Johnson - Nature communications, 2014 - nature.com
Radiation pattern control has generated much interest recently due to its potential
applications. Here we report the observation of high-efficiency dipole-like radiation of sound …
applications. Here we report the observation of high-efficiency dipole-like radiation of sound …
Positive, negative, zero refraction, and beam splitting in a solid/air phononic crystal: Theoretical and experimental study
J Bucay, E Roussel, JO Vasseur, PA Deymier… - Physical Review B …, 2009 - APS
We report on a phononic crystal (PC) consisting of a square array of cylindrical
polyvinylchloride inclusions in air that exhibits positive, negative, or zero refraction …
polyvinylchloride inclusions in air that exhibits positive, negative, or zero refraction …
Increasing the insertion loss of sonic crystal noise barriers with Helmholtz resonators
Helmholtz resonators (HRs) have the advantage of extending and improving their insulating
capacity when used as scatterers in noise barriers made of periodic media, such as sonic …
capacity when used as scatterers in noise barriers made of periodic media, such as sonic …
Ultralow-frequency tunable acoustic metamaterials through tuning gauge pressure and gas temperature
Acoustic metamaterials possessing subwavelength characteristics can be used for low-
frequency noise and vibration control. Acoustic metamaterials with adjustable dynamic …
frequency noise and vibration control. Acoustic metamaterials with adjustable dynamic …