Abstract

We present an efficient, ultrafast regenerate amplifier that increases the energy of a laser pulse from 300  pJ to 6  mJ and produces average powers of as much as 9  W in a TEM00 spatial mode. As an ultrafast amplifier, the system produces 4-mJ pulses with 0.09  TW of peak power.

© 2001 Optical Society of America

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2000 (1)

C. Ziener, G. Stobrawa, H. Schwoerer, I. Uschmann, and R. Sauerbrey, Rev. Sci. Instrum. 71, 3313 (2000).
[CrossRef]

1999 (2)

1998 (3)

1997 (3)

1996 (1)

1994 (2)

1993 (1)

Alfano, R.

Backus, S.

Barty, C.

Bouvier, M.

DeSilvestri, S.

Durfee, C.

Ferencz, K.

Fittinghoff, D.

Fu, Q.

Gavin, D.

Gayen, S.

Guo, T.

Hochstrasser, R.

Kane, S.

Kapteyn, H.

Kobayashi, T.

S. Takeuchi and T. Kobayashi, Opt. Commun. 109, 518 (1994).
[CrossRef]

Korn, G.

Krausz, F.

Kuramoto, Y.

LeBlanc, C.

Maginnis, K.

Mourou, G.

Murnane, M.

Nabekawa, Y.

Nisoli, M.

Russek, U.

Salin, F.

Sartania, S.

Sauerbrey, R.

C. Ziener, G. Stobrawa, H. Schwoerer, I. Uschmann, and R. Sauerbrey, Rev. Sci. Instrum. 71, 3313 (2000).
[CrossRef]

Schwoerer, H.

C. Ziener, G. Stobrawa, H. Schwoerer, I. Uschmann, and R. Sauerbrey, Rev. Sci. Instrum. 71, 3313 (2000).
[CrossRef]

Seier, F.

Sekikawa, T.

Spielmann, C.

Squier, J.

Stobrawa, G.

C. Ziener, G. Stobrawa, H. Schwoerer, I. Uschmann, and R. Sauerbrey, Rev. Sci. Instrum. 71, 3313 (2000).
[CrossRef]

Svelto, O.

Szipocs, R.

Takeuchi, S.

S. Takeuchi and T. Kobayashi, Opt. Commun. 109, 518 (1994).
[CrossRef]

Togashi, T.

Toth, C.

Uschmann, I.

C. Ziener, G. Stobrawa, H. Schwoerer, I. Uschmann, and R. Sauerbrey, Rev. Sci. Instrum. 71, 3313 (2000).
[CrossRef]

Vaillancourt, G.

Vdovin, G.

Walker, B.

Watanabe, S.

Wynne, K.

Yagi, T.

Zeek, E.

Zhang, Z.

Ziener, C.

C. Ziener, G. Stobrawa, H. Schwoerer, I. Uschmann, and R. Sauerbrey, Rev. Sci. Instrum. 71, 3313 (2000).
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

(a) Scale diagram of the regenerative amplifier. The directions of the pulse injection and of the output are shown with arrows. The Brewster-angle Ti:sapphire rods are housed within the vacuum chamber. (b) The TEM00 laser cavity mode diameter is shown for thermal lens focal lengths of 0.3  m (solid curve), 3  m (long-dashed curve), and 30  m (short-dashed curve). The measured spatial profiles of the cavity (solid curve) and the pump mode (dotted curve) are shown in (c).

Fig. 2
Fig. 2

(a) Amplified power (filled circles) and pulse energy (open circles), along with the pump power (crosses), as a function of the repetition rate. (b) Spatial mode of the 4-mJ compressed pulse. Eight equally spaced gray shades represent the pulse intensity.

Fig. 3
Fig. 3

(a) Mean experimental second-harmonic generator (SHG) autocorrelation (thinner curve) compared with the calculated autocorrelation (thicker curve) of the Fourier-transform limit of the pulse spectrum. (b) Computed pulse intensity for a compressed 60-nm FWHM amplified spectrum (thinner curve) compared with the Fourier-transform limit (thicker curve) in (c). (d) Computed spectral phase for 15 (solid curve), 17 (long-dashed curve), and 19 (short-dashed curve) round trips after compression.

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