g 0 0.01 品要 0.01 5E-002 0.03 0.0 0.01 NE-0.01 Central of target 0.5 0 Figure 1. Proposed parameters of the beam.(a)Radial intensity b)Angular momentum density profile calculated using the macroscopic approach, normalised to total angular ntum of 1.(c)Angular momentum density profile calculated using the microscopic approach, normalised to total momentum of 1.(d)Optimal structure target relative to the beam intensity profile. The inner circular portion of the target has a radius re0.2 0.4 0.6 0.8 1 Relative intensity 0 (a) −0.03 −0.02 −0.01 0 0.01 0.02 0.03 Normalised macroscopic z axis angular momentum density (b) −0.02 −0.01 0 0.01 0.02 Normalised microscopic z axis angular momentum density (c) −1 −0.5 0 0.5 1 r Target Central portion of target (d) −rt r t Figure 1. Proposed parameters of the beam. (a) Radial intensity profile. (b) Angular momentum density profile calculated using the macroscopic approach, normalised to total angular momentum of 1. (c) Angular momentum density profile calculated using the microscopic approach, normalised to total angular momentum of 1. (d) Optimal structure of target relative to the beam intensity profile. The inner circular portion of the target has a radius rt