Generation of a radially polarized doughnut mode of high quality
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- Quabis, S., Dorn, R. & Leuchs, G. Appl. Phys. B (2005) 81: 597. doi:10.1007/s00340-005-1887-1
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We present an experimental set-up to generate laser beams with locally varying polarization distribution. In a linear set-up, a radially polarized beam of high quality regarding intensity distribution, polarization and phase-front distortion is generated. This beam can be used for tight focusing. Further applications are discussed.