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Laser with simultaneous Gaussian and conical refraction outputs

Abstract

We report a double-sided two-mirror neodymium-doped KGd(WO4)2/Nd:KGW conical refraction laser which produces a linearly polarised output from the flat output coupler and a cone-refracted output from the curved output coupler. The linearly polarised output had a polarisation extinction ratio of 20:1 with a Gaussian beam profile and a measured M 2=1. The unpolarised output had the intensity and polarisation distribution corresponding to a cone-refracted Gaussian beam with extinction ratio of 2.7:1.

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Correspondence to A. Abdolvand.

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Wilcox, K.G., Abdolvand, A., Kalkandjiev, T.K. et al. Laser with simultaneous Gaussian and conical refraction outputs. Appl. Phys. B 99, 619–622 (2010). https://doi.org/10.1007/s00340-010-4043-5

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  • DOI: https://doi.org/10.1007/s00340-010-4043-5

Keywords

  • Output Coupler
  • Laser Cavity
  • Extinction Ratio
  • Incident Pump Power
  • Polarisation Ratio