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100 W Average Power Femtosecond UV Laser for Ultra-High Photon Flux XUV Sources

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Abstract

We present a femtosecond laser system delivering up to 100 W of average power at 343 nm. The laser system employs an Yb-based femtosecond fiber laser and subsequent second- and third harmonic generation in BBO. Thermal gradients within the BBO crystals are reduced due to sapphire heat spreaders directly bonded to the front and back surface of the crystals. Thus a nearly diffraction-limited beam quality (M2<1.5) is achieved despite the high thermal load to the nonlinear crystals. This laser source is expected to generate XUV radiation with ultra-high photon flux in the near future.

© 2016 Optical Society of America

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More Like This
100 W Femtosecond UV Laser for High-Flux XUV Generation

M. Müller, J. Rothhardt, C. Rothhardt, A. Klenke, M. Kienel, S. Demmler, T. Elsmann, M. Rothhardt, J. Limpert, and A. Tünnermann
ATu4A.1 Advanced Solid State Lasers (ASSL) 2016

High photon flux XUV source driven by high repetition rate > 100 kHz fiber laser

Aura Inés González, Loïc Lavenu, Florent Guichard, Yoann Zaouter, Patrick Georges, Marc Hanna, and Thierry Ruchon
ET1B.6 Compact EUV & X-ray Light Sources (EUVXRAY) 2018

mW Average Power Narrowband High Harmonic Sources

J. Rothhardt, S. Hädrich, S. Demmler, M. Tschernajew, R. Klas, J. Limpert, and A. Tünnermann
HM6B.5 High Intensity Lasers and High Field Phenomena (HILAS) 2016

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