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Conferences > ASSL > 2016 > ATu4A > ATu4A.8

Few-cycle laser with 216 W average power and 6.3 fs pulses

M. Kienel, S. Hädrich, M. Müller, A. Klenke, J. Rothhardt, R. Klas, T. Gottschall, T. Eidam, A. Drozdy, P. Jojart, Z. Várallyay, E. Cormier, K. Osvay, A. Tünnermann, and J. Limpert

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Abstract

Nonlinear compression (NC) of fiber lasers has emerged as a powerful scaling concept to achieve high average power few-cycle lasers. Here a 660 W, 0.5 mJ, 260 fs system is used for two-stage NC in gas-filled capillaries. The first stage compresses the pulses to 30 fs while the average power is as high as 408 W, which corresponds to 320 µJ of pulse energy. Further reduction of the pulse duration is achieved in a second stage that allows for the generation of 6.3 fs (sub-2 cycle) pulses at a pulse energy of 170 µJ and an average power of 216 W, which is the highest value achieved to date.

© 2016 Optical Society of America

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