Abstract
Radially and azimuthally polarized beams have attracted significant attention and increasing interest in various fields of physics and engineering because of their specific and very attractive properties and their promising applications [1, 2]. At high power levels, the most interesting application of such beams is material processing where it was reported that the process efficiency can be significantly enhanced by using radial or azimuthal polarization in comparison to circular or linear polarization [1, 2]. This encouraged several scientific groups to investigate and to develop different approaches to generate such modes [3, 4]. In the present contribution we discuss two techniques which were applied to high power Yb:YAG thin-disk laser systems for the generation of radially polarized beams.
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