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    • Polar Policryps diffractive structures generate cylindrical vector beams 

      Alj, D.; Paladugu, S.; Volpe, G.; Caputo, R.; Umeton, C. (American Institute of Physics Inc., 2015)
      Local shaping of the polarization state of a light beam is appealing for a number of applications. This can be achieved by employing devices containing birefringent materials. In this article, we present one such enables ...