Near-Field Diffraction from a Binary Microaxicon

Figure 8

The intensity distribution in the transverse XY-plane at distance (a) 𝑧=1.7 μm, (c) 𝑧=0.3 μm, and (b) the radial section of the distribution in (a) for the binary axicon of period 𝑇=4 μm, simulated using FullWAVE.

(a)

(b)

(c)