We demonstrate a versatile femtosecond power amplifier using a Yb:YAG single crystal fiber operating from 10 kHz to 10 MHz. For a total pump power of 75 W, up to 30 W is generated from the double-pass power amplifier. At a repetition rate of 10 kHz, an output energy of 1 mJ is obtained after recompression. In this configuration, the pulse duration is 380 fs, corresponding to a peak power of 2.2 GW. The M2 beam quality factor is better than 1.1 for investigated parameters.

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2012 (2)

2011 (3)

2010 (3)

2009 (1)

Abdou Ahmed, M.

Andersen, T. V.

Aubry, N.

Balembois, F.

Carstens, H.

Délen, X.

Didierjean, J.

Dolkemeyer, J.

Drescher, M.

Druon, F.

Duesterer, S.

Eggleton, B. J.

Eidam, T.

Faatz, B.

Fan, T. Y.

Feldhaus, J.

Gabler, T.

Georges, P.

Gopinath, J. T.

Gottschall, T.

Graf, T.

Hädrich, S.

Hanf, S.

Hoffmann, H. D.

Hong, K.

Hönninger, C.

Huang, S.

Hybl, J. D.

Jansen, F.

Jauregui, C.

Kärtner, F. X.

Kienberger, R.

Killi, A.

Krausz, F.

Li, E.

Limpert, J.

Mans, T.

Martial, I.

Metzger, T.

Mottay, E.

Okishev, A. V.

Piehler, S.

Poprawe, R.

Rand, D.

Riedel, R.

Rossbach, J.

Rothhardt, J.

Russbueldt, P.

Schlarb, H.

Schnitzler, C.

Schreiber, T.

Schulz, M.

Schwarz, A.

Seise, E.

Siddiqui, A. M.

Stutzki, F.

Sutter, D.

Tavella, F.

Teisset, C. Y.

Tünnermann, A.

Voss, A.

Weitenberg, J.

Willner, A.

Wirth, C.

Zaouter, Y.

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Figures (4)

Fig. 1.
Fig. 1.

Experimental setup.

Fig. 2.
Fig. 2.

(a) Output power before compression versus pump power for different seed powers in the double-pass configuration and (b) output power versus input power at 10 MHz in single-pass and double-pass configurations for a pump power of 72 W.

Fig. 3.
Fig. 3.

Input and output energies after two passes versus the repetition rate. Inset: output beam profile for 1.3 mJ at 10 kHz output.

Fig. 4.
Fig. 4.

(a) Input and output spectrum, and (b) pulse autocorrelation for 1 mJ output at 10 kHz after recompression.