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Proceedings Article

Generating and analyzing non-diffracting vector vortex beams

[+] Author Affiliations
Yanming Li, Michael J. Escuti

North Carolina State Univ. (United States)

Angela Dudley, Thandeka Mhlanga, Andrew Forbes

CSIR National Laser Ctr. (South Africa)

Proc. SPIE 8843, Laser Beam Shaping XIV, 884305 (September 28, 2013); doi:10.1117/12.2027249
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From Conference Volume 8843

  • Laser Beam Shaping XIV
  • Andrew Forbes; Todd E. Lizotte
  • San Diego, California, United States | August 25, 2013

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). © (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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 (September 28, 2013); doi:10.1117/12.2027249; http://dx.doi.org/10.1117/12.2027249


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