A localized approximation approach for the calculation of beam shape coefficients of acoustic and ultrasonic Bessel beams

Topical Issue - Numerical, computational and theoretical acoustics

Open Access

Figure 6

(a) Original transverse field intensity ${| ψ_{i} (x, y, 0) |}^{2}$ ${\left|{\psi }_i(x,y,0)\right|}^2$ for an off axis zero-order Bessel beam with α = 30° and ρ₀ = x₀ = 4λ(y₀ = z₀ = 0). (b) Same as (a), but now for the remodeled LA field using the BSCs given in equation (19). (c) Logarithmic percent error for the field intensities of (a) and (b).

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