Hädrich, S.S.HädrichWalther, N.N.WaltherShestaev, E.E.ShestaevNagy, T.T.NagySimon, P.P.SimonBlumenstein, A.A.BlumensteinKlas, R.R.KlasBuldt, J.J.BuldtStark, H.H.StarkBreitkopf, S.S.BreitkopfJójárt, P.P.JójártSeres, I.I.SeresVárallyay, Z.Z.VárallyayBörzsönyi, Á.Á.BörzsönyiEidam, T.T.EidamLimpert, J.J.Limpert2022-03-142022-03-142020https://publica.fraunhofer.de/handle/publica/41037910.1364/HILAS.2020.HTh3B.2Multi-mJ, 10fs pulses at average powers beyond 300W are generated by 30-times compression of the output of an Yb-fiber-CPA in a 6m long stretched capillary. Recent progress on CEP stabilization of this system is presented.enfew-cycle pulsehigh average powerhigh pulse energyYb-fiber620High pulse energy CEP-stable few-cycle pulses at high average power: Status of the ELI-ALPS HR2 systemconference paper