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Separation of high average power driving lasers from higher order harmonics using an annular beam

: Klas, R.; Kirsche, A.; Tschernajew, M.; Tünnermann, A.; Rothhardt, J.; Limpert, J.


Optical Society of America -OSA-, Washington/D.C.:
Compact EUV & X-ray Light Sources : Part of High-Brightness Sources and Light-Driven Interactions; 26–28 March 2018, Strasbourg France
Washington, DC: OSA, 2018
ISBN: 978-1-943580-40-8
Paper EW2B.4
Conference "Compact EUV & X-ray Light Sources" (EUVXRAY) <2018, Strasbourg>
Conference "High-Brightness Sources and Light-Driven Interactions" <2018, Strasbourg>
Fraunhofer IOF ()

Annular beams are applied as an effective separation method for HHG with high average power driving lasers, showing a comparable conversion efficiency to HHG with a Gaussian beam.