Abstract

In the present work, we propose a method to generate high-quality optical vortices with a reduced number of phase levels by using multilevel vortex-producing lenses (VPLs). The VPL is implemented in a liquid-crystal spatial light modulator with limited capacity to project phase levels. The proposed method significantly improves the quality of the optical vortex obtained by employing spiral phase plates with the same number of phase levels. Simulations and experimental results confirming the effectiveness of the method are presented.

© 2013 Optical Society of America

Generation of optical vortices by using binary vortex producing lenses

N. Londoño, E. Rueda, J. A. Gómez, and A. Lencina
Appl. Opt. 54(4) 796-801 (2015)

Surface profilometry with binary axicon-vortex and lens-vortex optical elements

D. Wojnowski, E. Jankowska, J. Masajada, J. Suszek, I. Augustyniak, A. Popiolek-Masajada, I. Ducin, K. Kakarenko, and M. Sypek
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Generation and propagation of an anomalous vortex beam

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Analysis of multilevel spiral phase plates using a Dammann vortex sensing grating

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Generation of the “perfect” optical vortex using a liquid-crystal spatial light modulator

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Opt. Lett. 38(4) 534-536 (2013)