Partial-wave series expansions in spherical coordinates for the acoustic field of vortex beams generated from a finite circular aperture

FG Mitri - IEEE Transactions on Ultrasonics, Ferroelectrics, and …, 2014 - ieeexplore.ieee.org
Stemming from the Rayleigh-Sommerfeld surface integral, the addition theorems for the
spherical wave and Legendre functions, and a weighting function describing the behavior of …

High-order pseudo-gaussian scalar acoustical beams [Correspondence]

FG Mitri - IEEE Transactions on Ultrasonics, Ferroelectrics, and …, 2014 - ieeexplore.ieee.org
Exact solutions of the scalar Helmholtz equation describing tightly spherically-focused
beams are introduced without any approximations using the complex source point method in …

Axial acoustic radiation force on rigid oblate and prolate spheroids in Bessel vortex beams of progressive, standing and quasi-standing waves

FG Mitri - Ultrasonics, 2017 - Elsevier
The analysis using the partial-wave series expansion (PWSE) method in spherical
coordinates is extended to evaluate the acoustic radiation force experienced by rigid oblate …

Axial acoustic radiation torque of a Bessel vortex beam on spherical shells

FG Mitri, TP Lobo, GT Silva - Physical Review E—Statistical, Nonlinear, and …, 2012 - APS
The present paper investigates the interaction of an acoustic Bessel vortex beam centered
on a viscoelastic polyethylene sphere and spherical shells filled with air or water immersed …

Potential-well model in acoustic tweezers-comment [Correspondence]

FG Mitri - IEEE transactions on ultrasonics, ferroelectrics, and …, 2011 - ieeexplore.ieee.org
The production of acoustical vortices-based potential wells for particle trapping is not only
restricted to the use of a Laguerre-Gaussian beam. Other useful types of vortex beams …

Interaction of a nondiffracting high-order Bessel (vortex) beam of fractional type α and integer order m with a rigid sphere: linear acoustic scattering and net …

FG Mitri - IEEE transactions on ultrasonics, ferroelectrics, and …, 2010 - ieeexplore.ieee.org
Closed-form analytical solutions for the acoustic scattering and net axial force of a new class
of Bessel beams, termed nondiffracting Bessel vortex beams of fractional type α, are derived …

Acoustical tweezers using single spherically focused piston, X-cut, and Gaussian beams

FG Mitri - IEEE transactions on ultrasonics, ferroelectrics, and …, 2015 - ieeexplore.ieee.org
Partial-wave series expansions (PWSEs) satisfying the Helmholtz equation in spherical
coordinates are derived for circular spherically focused piston (ie, apodized by a uniform …

Off-axial acoustic radiation force of repulsor and tractor Bessel beams on a sphere

GT Silva, JH Lopes, FG Mitri - IEEE transactions on ultrasonics …, 2013 - ieeexplore.ieee.org
Acoustic Bessel beams are known to produce an axial radiation force on a sphere centered
on the beam axis (on-axial configuration) that exhibits both repulsor and tractor behaviors …

Arbitrary scattering of an acoustical high-order Bessel trigonometric (non-vortex) beam by a compressible soft fluid sphere

FG Mitri - Ultrasonics, 2013 - Elsevier
The present analysis extends the previous work on the axial acoustic scattering of a high-
order Bessel trigonometric beam (HOBTB) from a fluid sphere [FG Mitri, J. Appl. Phys. 109 …

Finite series approach for the calculation of beam shape coefficients in ultrasonic and other acoustic scattering

LA Ambrosio, G Gouesbet - Journal of Sound and Vibration, 2024 - Elsevier
Partial wave expansions with spherical wave functions are usually employed to describe
complex velocity potentials or pressure fields in ultrasonic and acoustic scattering by …