Random phase screen influence of the inhomogeneous tissue layer on the generation of acoustic vortices
Ma Zhiyao1, Ma Jun2, †, Zhang Dong3, ‡, 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) 40.0 cm and (d), (e) 22 cm in water.