Random phase screen influence of the inhomogeneous tissue layer on the generation of acoustic vortices

Ma Zhiyao¹, Ma Jun^{2, †}, Zhang Dong^{3, ‡}, Tu Juan³

(color online) Numerical results of (a) the axial pressure profile and the cross-sectional distributions of (b), (d) pressure and (c), (e) phase for the AV beam at the axial distances of (b), (c) 40 cm and (d), (e) 22 cm with the insertion of the inhomogeneous tissue layer.