12 April 2005 Generation of radial polarization in Nd:YAG and CO2 lasers and its applications
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Abstract
Radially polarized radiation shows some very interesting properties and has therefore gained interest in recent years. An overview of the advantages and the various applications where radially polarized modes are beneficial is given. In addition the different known methods to generate radial polarization are reviewed. In our work we developed a method to generate radially polarized laser beams by means of a polarization selective resonant grating mirror. The undesired polarization is coupled to a mode of the dielectric multilayer of the resonator end mirror and experiences severe losses while the radial polarization is not affected and oscillates in the laser resonator. Fundamental and higher-order radially polarized modes of high polarization purity and powers of more than 100W have been demonstrated.
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Tobias Moser, Tobias Moser, Hansjuerg Glur, Hansjuerg Glur, Peter Peier, Peter Peier, Matthias Meier, Matthias Meier, Eduard Wyss, Eduard Wyss, Valerio Romano, Valerio Romano, Marwan Abdou Ahmed, Marwan Abdou Ahmed, Olivier Parriaux, Olivier Parriaux, Ulrich Roth, Ulrich Roth, Thomas Graf, Thomas Graf, } "Generation of radial polarization in Nd:YAG and CO2 lasers and its applications", Proc. SPIE 5708, Laser Resonators and Beam Control VIII, (12 April 2005); doi: 10.1117/12.603520; https://doi.org/10.1117/12.603520
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