Abstract

We report on an ytterbium-doped fiber based chirped-pulse amplification system delivering 100μJ pulse energy at a repetition rate of 900kHz, corresponding to an average power of 90W. The emitted pulses are as short as 500fs. To the best of our knowledge, this is the highest average power ever reported for high-energy femtosecond solid-state laser systems.

© 2007 Optical Society of America

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References

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2006 (3)

J. Limpert, F. Röser, T. Schreiber, and A. Tünnermann, IEEE J. Sel. Top. Quantum Electron. 12, 233 (2006).
[CrossRef]

L. Shah, M. E. Fermann, J. W. Dawson, and C. P. J. Barty, Opt. Express 14, 12546 (2006).
[CrossRef] [PubMed]

J. Limpert, O. Schmidt, J. Rothhardt, F. Röser, T. Schreiber, A. Tünnermann, S. Ermeneux, P. Yvernault, and F. Salin, Opt. Express 14, 2715 (2006).
[CrossRef] [PubMed]

2005 (4)

IEEE J. Sel. Top. Quantum Electron. (1)

J. Limpert, F. Röser, T. Schreiber, and A. Tünnermann, IEEE J. Sel. Top. Quantum Electron. 12, 233 (2006).
[CrossRef]

Opt. Express (5)

Opt. Lett. (1)

Other (5)

D. Muller, A. Giesen, M. Paschotta, and U. Keller, in Femtosecond Technology for Technical and Medical Applications, Vol. 96, of Springer Series on Topics in Applied Physics (Springer, 2004), pp. 55-72.

J. Limpert, F. Roeser, S. Klingebiel, T. Schreiber, C. Wirth, U. Peschel, R. Eberhardt, and A. Tünnermann, "The rising power of fiber lasers and amplifiers," IEEE J. Sel. Top. Quantum Electron. (to be published).

J. Li, X. Peng, and L. Dong, in Advanced Solid State Photonics (Optical Society of America, 2007), paper ME3.

S. Ramachandran, K. Brar, S. Ghalmi, K. Aiso, M. Yan, D. Trevor, J. Fleming, C. Headley, P. Wisk, G. Fishteyn, E. Monberg, and F. Dimarcello, "High-power amplification in a 2040 μm2 higher order mode," presented at Photonics West (San Jose, January 20-25, 2007), Late Breaking Developments--Session 6453-9.

D. Schimpf, D. Müller, S. Hädrich, T. Schreiber, J. Limpert, and A. Tünnermann, in Advanced Solid State Photonics (Optical Society of America, 2007), paper TuC2.

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Figures (3)

Fig. 1
Fig. 1

Schematic setup of the high-average-power, high-energy fiber CPA system. OI, optical isolator; AOM, acousto-optical modulator.

Fig. 2
Fig. 2

Output characteristics of the ytterbium-doped fiber CPA system.

Fig. 3
Fig. 3

Measured autocorrelation trace of the recompressed pulses at low and maximum power level. Inset, corresponding spectrum at maximum power level (solid curve) and original oscillator spectrum (dashed curve).

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