Generation of Optical Vortex Arrays Using Single-Element Reversed-Wavefront Folding Interferometer

Figure 2

(a) and (c) are the recorded interferograms of generated vortex arrays at the rotation angles 0.25° and 0.30° of CBS₂ by using experimental set-up Figure 1(a) and (b) and (d) are the corresponding phase-maps due to the superposition of three plane wavefronts respectively.

(a)

(b)

(c)

(d)