This article describes an experimental study of the optical vortex generation with the use of light that was reflected from the combination of two cube-corner reflectors (retroreflectors) and its analysis in far field. The main goal of our research was to confirm the theoretical data from the article. Shearing interferometer was used for optical vortex detection and analysis. Our previous studies were focused on cases with linear polarization forming a polarization vortex. This time we were using light circular polarization to produce an optical vortex with m=2.
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