Asian Journal of Physics Vol. 30 Nos 8 & 9 (2021) 1355-1364

Realizing singular beams through dual-pass phase modulation

Praveen Kumar and Naveen K Nishchal


Singular optics has become a widely researched area because of many applications of optical vortices and the orbital angular momentum. In optics, singularity emerges in connection with optical fields with spatial inhomogeneity. For this reason, the concept of light beam shaping occupies a prominent position in singular optics. One of the important aspects of current research is the efficient technique to realize vector fields of light having structured polarization. This paper describes the dual-pass phase modulation technique for generating vector fields having phase and polarization singularities. Simulation and experimental results of singular beams have been presented. © Anita Publications. All rights reserved.
Keywords: Optical vortices, Vector-vortex beams, Optical singularity, Spatial light modulator, Polarization.

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