Polarization-selective grating mirrors used in the generation of radial polarization
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- Moser, T., Glur, H., Romano, V. et al. Appl. Phys. B (2005) 80: 707. doi:10.1007/s00340-005-1794-5
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Two novel methods to control the polarization of laser radiation are presented. The discrimination between different polarization distributions isperformed with a corrugation grating in the top high-index layer of a multilayer mirror, which couples the undesired polarization into a lossy waveguidemode of the multilayer. The generation of radially polarized radiation in a laser resonator is presented as a practical verification of the principle.