Generating and analyzing non-diffracting vector vortex beams

Yanming Li; Angela Dudley; Thandeka Mhlanga; Michael J. Escuti; Andrew Forbes

doi:10.1117/12.2027249

28 September 2013 Generating and analyzing non-diffracting vector vortex beams

Yanming Li, Angela Dudley, Thandeka Mhlanga, Michael J. Escuti, Andrew Forbes

Proceedings Volume 8843, Laser Beam Shaping XIV; 884305 (2013) https://doi.org/10.1117/12.2027249
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

We experimentally generate non-diffracting vector vortex beams by using a Spatial Light Modulator (SLM) and an azimuthal birefringent plate (q-plate). The SLM generates scalar Bessel beams and the q-plate converts them to vector vortex beams. Both single order Bessel beam and superposition cases are studied. The polarization and the azimuthal modes of the generated beams are analyzed. The results of modal decompositions on polarization components are in good agreement with theory. We demonstrate that the generated beams have cylindrical polarization and carry polarization dependent Orbital Angular Momentum (OAM).

Citation Download Citation

Yanming Li, Angela Dudley, Thandeka Mhlanga, Michael J. Escuti, and Andrew Forbes "Generating and analyzing non-diffracting vector vortex beams", Proc. SPIE 8843, Laser Beam Shaping XIV, 884305 (28 September 2013); https://doi.org/10.1117/12.2027249

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