Polarization tailored novel vector beams based on conical refraction

A. Turpin, Yu.V. Loiko, A. Peinado, A. Lizana, T.K. Kalkandjiev, J. Campos, J. Mompart

Research output: Contribution to journalArticlepeer-review


Coherent vector beams with involved states of polarization (SOP) are widespread in the literature, having applications in laser processing, super-resolution imaging and particle trapping. We report novel vector beams obtained by transforming a Gaussian beam passing through a biaxial crystal, by means of the conical refraction phenomenon. We analyze both experimentally and theoretically the SOP of the different vector beams generated and demonstrate that the SOP of the input beam can be used to control both the shape and the SOP of the transformed beam. We also identify polarization singularities of such beams for the first time and demonstrate their control by the SOP of the input beam.
Original languageEnglish
Pages (from-to)5704-5715
Number of pages12
JournalOptics Express
Issue number5
Early online date24 Feb 2015
Publication statusPublished - 9 Mar 2015


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