Figure 3

Simulation and Experimental Results of the OAM Beam Generation with Different Array Radii.

The intensity profiles of the generated OAM + 1 beams with array radii of (a) 4.5 cm, (b) 5.0 cm and (c) 6.0 cm. (d) The simulated and measured beam size at 1.2 m as a function of array radius R.