Abstract

We report on a laser system producing a burst comprising femtosecond pulses with a total energy of 58 mJ. Every single pulse within this burst has an energy between 27 and 31 μJ. The pump is able to rebuild the inversion fast enough between the pulses, resulting in an almost constant gain for every pulse during the burst. This causes a very homogenous energy distribution during the burst. The output burst has a repetition frequency of 20 Hz, is 200 μs long and, therefore, contains 2000 pulses at a pulse repetition rate of 10 MHz.

© 2012 Optical Society of America

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References

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2012 (2)

2011 (5)

2010 (1)

2009 (1)

2007 (1)

I. Agapov, G. A. Blair, and M. Woodley, Phys. Rev. ST Accel. Beams 10, 112801 (2007).
[CrossRef]

2004 (1)

Agapov, I.

I. Agapov, G. A. Blair, and M. Woodley, Phys. Rev. ST Accel. Beams 10, 112801 (2007).
[CrossRef]

Alahmed, Z.

Apolonski, A.

Azzeer, A.

Bernhardt, B.

Blair, G. A.

I. Agapov, G. A. Blair, and M. Woodley, Phys. Rev. ST Accel. Beams 10, 112801 (2007).
[CrossRef]

Carstens, H.

de Vries, O.

Eberhardt, R.

Eidam, T.

Eken, K.

Fill, E.

Haarlammert, N.

Hädrich, S.

Hänsch, T.

Jansen, F.

Jauregui, C.

Jiang, N.

Kalaycioglu, H.

Kliner, A.

Krausz, F.

Lempert, W.

Liem, A.

Limpert, J.

Ö Ilday, F.

Otto, H.

Ozawa, A.

Peschel, T.

Pupeza, I.

Rauschenberger, J.

Rothhardt, J.

Samimy, M.

Sandner, W.

Schreiber, S.

Schreiber, T.

Steinmetz, A.

Stutzki, F.

Templin, H. I.

Thurow, B.

Tünnermann, A.

Udem, T.

Webster, M.

Will, I.

Woodley, M.

I. Agapov, G. A. Blair, and M. Woodley, Phys. Rev. ST Accel. Beams 10, 112801 (2007).
[CrossRef]

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Figures (5)

Fig. 1.
Fig. 1.

Schematic diagram of the experimental setup.

Fig. 2.
Fig. 2.

Uncompressed output burst as measured with a photodiode (where the peak power has been calculated) (massive curve). Gating signal for the AOM which generates the burst before the main-amplifier stage (thin curve).

Fig. 3.
Fig. 3.

Zoom into the first microsecond of the burst in Fig. 1. It can be easily observed that a steady state is reached after three pulses.

Fig. 4.
Fig. 4.

Simulation of the concentration of excited ions as a function of time and position along the fiber. A fully inverted fiber is assumed before the first pulse of the burst arrives.

Fig. 5.
Fig. 5.

Autocorrelation trace of the pulses within the burst (jagged black) and their Gaussian-function-fit (smooth gray/red). The measurement has been made with an autocorrelator triggered to the burst pulses.

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