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  • 2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference
  • (Optica Publishing Group, 2013),
  • paper CJ_9_1

Radial and azimuthal polarized all-fiber Raman oscillator

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Abstract

The generation of radially and azimuthally polarized beams has attracted significant interests in recent years due to the outstanding benefits that they bring in material processing, microscope applications and optical tweezers. These two polarization types belong to the so-called cylindrical vector beams with spatially invariant polarization. The intensity profile of such beams is doughnut-shaped due to the presence of a polarization vortex at the centre of the beam. In general it is challenging to generate radially and azimuthally polarized beams, therefore, different sophisticated approaches have been developed such as the spatial light modulator [1], sub-wavelength gratings [2] and interferometric setups [3], just to name a few. All of these examples are free-space optics. However, in order to build compact and stable setups, all fiber-setups are preferred.

© 2013 IEEE

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