Abstract

An all-solid-state longitudinally diode-pumped Nd:glass chirped-pulse-amplification laser system producing pulses of 50-MW peak power has been developed. The diode-pumped Nd:glass regenerative amplifier produces pulses with energies as great as 56 µJ at a 1-kHz repetition rate and pulse durations as short as 450  fs after compression in a compact single holographic-transmission-grating stretcher–compressor arrangement. Further, spectral gain shaping was shown to extend the bandwidth that was supported in the low-gain amplifier. To the best of our knowledge, this system provides the highest peak and average power obtained from a directly diode-pumped femtosecond laser.

© 1997 Optical Society of America

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References

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1997 (2)

J. Aus der Au, D. Kopf, F. Morier-Genoud, M. Moser, and U. Keller, Opt. Lett. 22, 5 (1997).

A. Braun, X. Liu, G. Mourou, D. Kopf, and U. Keller, Appl. Opt. 36, 4163 (1997).
[CrossRef] [PubMed]

1996 (1)

1995 (5)

1994 (2)

1993 (1)

Arns, J.

Aus der Au, J.

J. Aus der Au, D. Kopf, F. Morier-Genoud, M. Moser, and U. Keller, Opt. Lett. 22, 5 (1997).

Balembois, F.

Barry, N. P.

Barty, C. P. J.

Bouvier, M.

Braun, A.

Brovelli, L.

Brovelli, L. R.

Brun, A.

Chiu, T. H.

Colburn, W.

Dymott, M. J. P.

Falcoz, F.

Ferguson, A. I.

French, P. M. W.

Georges, P.

Hyde, S. C. W.

Jones, R.

Kaertner, F. X.

Kamp, M.

Keller, U.

Kopf, D.

Korn, G.

Liu, X.

Mellish, R.

Morier-Genoud, F.

J. Aus der Au, D. Kopf, F. Morier-Genoud, M. Moser, and U. Keller, Opt. Lett. 22, 5 (1997).

Moser, M.

J. Aus der Au, D. Kopf, F. Morier-Genoud, M. Moser, and U. Keller, Opt. Lett. 22, 5 (1997).

Mourou, G.

Norris, T.

Raksi, F.

Rhee, J.-K.

Rose-Petruck, C.

Sosnowski, T.

Squier, J.

Taylor, J. R.

Tien, A. C.

Vaillancourt, G.

Valster, A.

van der Poel, C. J.

Weingarten, K. J.

Wilson, K. R.

Yakovlev, V. V.

Yamakawa, K.

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Figures (5)

Fig. 1
Fig. 1

Schematic of the diode-pumped Nd:glass regenerative amplifier. The inset shows the autocorrelation of the compressed pulse.

Fig. 2
Fig. 2

Cw output power of the empty Nd:glass amplifier cavity as a function of the absorbed pump power measured with a T=5.5% output coupler.

Fig. 3
Fig. 3

Pulse energy and average power extracted from the regenerative amplifier as a function of repetition rate.

Fig. 4
Fig. 4

Single transmission grating permits a compact stretcher (dashed lines)–compressor (solid lines) geometry. For simplicity the full beam path through the stretcher is not shown.

Fig. 5
Fig. 5

By using an etalon formed by the air gap between two parallel windows, we could increase the amplified spectral bandwidth from 4  nm (dashed curve) to 9  nm (FWHM).

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