Abstract

We report a diode-pumped Yb:KYW amplifier delivering up to 27mJ pulses at a repetition rate of 100Hz and a spectral bandwidth of 5.5nm, centered at around 1030nm. The system is based on a double-head multipass amplifier configuration where the pump thermal load is distributed over two relatively thin laser crystals, which permits a sufficiently large number of passes with minimal passive losses, thus maximizing the energy extraction efficiency. The amplified pulse bandwidth theoretically supports 340fs pulses, and as a demonstration, a small fraction of the amplified pulses has been compressed to 560fs.

© 2011 Optical Society of America

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2011

2010

2009

2008

2007

2002

H. Liu, J. Nees, G. Mourou, S. Biswal, G. J. Spühler, U. Keller, and N. V. Kules, Opt. Commun. 203, 315 (2002).
[CrossRef]

Ahmad, I.

Akahane, Y.

Ališauskas, S.

Andriukaitis, G.

Aoyama, M.

Baltuška, A.

Biswal, S.

H. Liu, J. Nees, G. Mourou, S. Biswal, G. J. Spühler, U. Keller, and N. V. Kules, Opt. Commun. 203, 315 (2002).
[CrossRef]

Bodnar, I. T.

V. V. Filippov, N. V. Kuleshov, and I. T. Bodnar, Appl. Phys. B 87, 611 (2007).
[CrossRef]

Boedefeld, R.

Buenting, U.

Buettner, A.

Camy, P.

Courjaud, A.

Curtis, A. H.

Danielius, R.

Delaigue, M.

Doualan, J. L.

Druon, F.

Fermann, M. E.

Filippov, V. V.

V. V. Filippov, N. V. Kuleshov, and I. T. Bodnar, Appl. Phys. B 87, 611 (2007).
[CrossRef]

Furch, F. J.

Georges, P.

Giniunas, L.

Hein, J.

Hornung, M.

Jochmann, A.

Jung, R.

Kaluza, M. C.

Karsch, S.

Kawanaka, J.

Keller, U.

H. Liu, J. Nees, G. Mourou, S. Biswal, G. J. Spühler, U. Keller, and N. V. Kules, Opt. Commun. 203, 315 (2002).
[CrossRef]

Klingebiel, S.

Kracht, D.

Krausz, F.

Kules, N. V.

H. Liu, J. Nees, G. Mourou, S. Biswal, G. J. Spühler, U. Keller, and N. V. Kules, Opt. Commun. 203, 315 (2002).
[CrossRef]

Kuleshov, N. V.

V. V. Filippov, N. V. Kuleshov, and I. T. Bodnar, Appl. Phys. B 87, 611 (2007).
[CrossRef]

Lai, W. J.

Li, H.

Li, R.

Liu, H.

H. Liu, J. Nees, G. Mourou, S. Biswal, G. J. Spühler, U. Keller, and N. V. Kules, Opt. Commun. 203, 315 (2002).
[CrossRef]

Luther, B. M.

Major, Z.

Marcinkevicius, A.

Meehan, S. P.

Moncorgé, R.

Mottay, E.

Mourou, G.

H. Liu, J. Nees, G. Mourou, S. Biswal, G. J. Spühler, U. Keller, and N. V. Kules, Opt. Commun. 203, 315 (2002).
[CrossRef]

Nees, J.

H. Liu, J. Nees, G. Mourou, S. Biswal, G. J. Spühler, U. Keller, and N. V. Kules, Opt. Commun. 203, 315 (2002).
[CrossRef]

Neumann, J.

Nickles, P. V.

Nishioka, H.

Ogawa, K.

Papadopoulos, D. N.

Phua, P. B.

Podleska, S.

Pugžlys, A.

Reagan, B. A.

Ricaud, S.

Rocca, J. J.

Sandner, W.

Siebold, M.

Skrobol, C.

Spühler, G. J.

H. Liu, J. Nees, G. Mourou, S. Biswal, G. J. Spühler, U. Keller, and N. V. Kules, Opt. Commun. 203, 315 (2002).
[CrossRef]

Stiel, H.

Su, L.

Tokita, S.

Trushin, S. A.

Tsuji, K.

Tümmler, J.

Uecker, R.

Wandt, C.

Wandt, D.

Wernsing, K. A.

Xu, J.

Yamakawa, K.

Zaouter, Y.

Appl. Phys. B

V. V. Filippov, N. V. Kuleshov, and I. T. Bodnar, Appl. Phys. B 87, 611 (2007).
[CrossRef]

Opt. Commun.

H. Liu, J. Nees, G. Mourou, S. Biswal, G. J. Spühler, U. Keller, and N. V. Kules, Opt. Commun. 203, 315 (2002).
[CrossRef]

Opt. Express

Opt. Lett.

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Figures (4)

Fig. 1
Fig. 1

Experimental setup: schematic of the CPA injection system (bottom part) and double-head Yb:KYW multipass amplifier (upper part).

Fig. 2
Fig. 2

(a) Output energy as a function of the input energy for maximum pump energy ( 180 mJ ). The dashed curve corresponds to the simulated output ( E sto , tot , the total stored energy; J sto , / 1 / 2 , the stored fluence for each crystal; g 0 , 1 / 2 , the small signal gain coefficient for each crystal). (b) Output energy as a function of the incident pump energy for different input pulse energy at 100 Hz .

Fig. 3
Fig. 3

Input and output beam profiles (near field) for 90, 120, and 180 mJ pump energy at 100 Hz ( E in = 1 mJ ).

Fig. 4
Fig. 4

Output spectrum as a function of the output energy for E in = 1 mJ (the dashed curve corresponds to the input spectrum). Inset, autocorrelation trace of the recompressed pulses at 22 mJ .

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