Abstract

Frequency-resolved optical gating (FROG) measurements were made to characterize pulses from a Ti:sapphire chirped-pulse amplified laser system. By characterizing both the pulse intensity and the phase, the FROG data provided the first direct observation to our knowledge of residual phase distortion in a chirped-pulse amplifier. The FROG technique was also used to measure the regenerative amplifier dispersion and to characterize an amplitude-shaped pulse. The data provide an experimental demonstration of the value of FROG for characterizing complex pulses, including tailored femtosecond pulses for quantum control.

© 1995 Optical Society of America

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References

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1994 (2)

1993 (6)

1990 (1)

1985 (1)

D. Strickland, G. Mourou, Opt. Commun. 56, 219 (1985).
[Crossref]

Barty, C. P. J.

Combs, R. L.

DeLong, K. W.

K. W. DeLong, R. Trebino, B. Kohler, K. R. Wilson, Opt. Lett. 19, 2152 (1994).
[Crossref] [PubMed]

D. J. Kane, A. J. Taylor, R. Trebino, K. W. DeLong, Opt. Lett. 19, 1061 (1994).
[Crossref] [PubMed]

B. Kohler, V. V. Yakovlev, K. R. Wilson, J. Squier, K. W. DeLong, R. Trebino, in Ultrafast Phenomena IX, G. A. Mourou, A. H. Zewail, P. F. Barbara, W. H. Knox, eds. (Springer-Verlag, Berlin, to be published)..

Kane, D. J.

Kane, S.

Kohler, B.

K. W. DeLong, R. Trebino, B. Kohler, K. R. Wilson, Opt. Lett. 19, 2152 (1994).
[Crossref] [PubMed]

B. Kohler, J. L. Krause, F. Raksi, C. Rose-Petruck, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, Y. J. Yan, S. Mukamel, J. Phys. Chem. 97, 12602 (1993).
[Crossref]

B. Kohler, V. V. Yakovlev, K. R. Wilson, J. Squier, K. W. DeLong, R. Trebino, in Ultrafast Phenomena IX, G. A. Mourou, A. H. Zewail, P. F. Barbara, W. H. Knox, eds. (Springer-Verlag, Berlin, to be published)..

Korn, G.

Krause, J. L.

B. Kohler, J. L. Krause, F. Raksi, C. Rose-Petruck, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, Y. J. Yan, S. Mukamel, J. Phys. Chem. 97, 12602 (1993).
[Crossref]

Leaird, D. E.

Lemoff, B. E.

Mourou, G.

Mukamel, S.

B. Kohler, J. L. Krause, F. Raksi, C. Rose-Petruck, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, Y. J. Yan, S. Mukamel, J. Phys. Chem. 97, 12602 (1993).
[Crossref]

Patel, J. S.

Patterson, F. G.

Price, D. F.

Raksi, F.

B. Kohler, J. L. Krause, F. Raksi, C. Rose-Petruck, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, Y. J. Yan, S. Mukamel, J. Phys. Chem. 97, 12602 (1993).
[Crossref]

Rose-Petruck, C.

B. Kohler, J. L. Krause, F. Raksi, C. Rose-Petruck, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, Y. J. Yan, S. Mukamel, J. Phys. Chem. 97, 12602 (1993).
[Crossref]

Rudd, J. V.

Shepherd, R. L.

Squier, J.

J. V. Rudd, G. Korn, S. Kane, J. Squier, G. Mourou, Opt. Lett. 18, 2044 (1993).
[Crossref] [PubMed]

B. Kohler, V. V. Yakovlev, K. R. Wilson, J. Squier, K. W. DeLong, R. Trebino, in Ultrafast Phenomena IX, G. A. Mourou, A. H. Zewail, P. F. Barbara, W. H. Knox, eds. (Springer-Verlag, Berlin, to be published)..

Strickland, D.

D. Strickland, G. Mourou, Opt. Commun. 56, 219 (1985).
[Crossref]

Taylor, A. J.

Trebino, R.

Weiner, A. M

White, W. E.

Whitnell, R. M.

B. Kohler, J. L. Krause, F. Raksi, C. Rose-Petruck, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, Y. J. Yan, S. Mukamel, J. Phys. Chem. 97, 12602 (1993).
[Crossref]

Wilson, K. R.

K. W. DeLong, R. Trebino, B. Kohler, K. R. Wilson, Opt. Lett. 19, 2152 (1994).
[Crossref] [PubMed]

B. Kohler, J. L. Krause, F. Raksi, C. Rose-Petruck, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, Y. J. Yan, S. Mukamel, J. Phys. Chem. 97, 12602 (1993).
[Crossref]

B. Kohler, V. V. Yakovlev, K. R. Wilson, J. Squier, K. W. DeLong, R. Trebino, in Ultrafast Phenomena IX, G. A. Mourou, A. H. Zewail, P. F. Barbara, W. H. Knox, eds. (Springer-Verlag, Berlin, to be published)..

Wullert, J. R.

Yakovlev, V. V.

B. Kohler, J. L. Krause, F. Raksi, C. Rose-Petruck, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, Y. J. Yan, S. Mukamel, J. Phys. Chem. 97, 12602 (1993).
[Crossref]

B. Kohler, V. V. Yakovlev, K. R. Wilson, J. Squier, K. W. DeLong, R. Trebino, in Ultrafast Phenomena IX, G. A. Mourou, A. H. Zewail, P. F. Barbara, W. H. Knox, eds. (Springer-Verlag, Berlin, to be published)..

Yan, Y. J.

B. Kohler, J. L. Krause, F. Raksi, C. Rose-Petruck, R. M. Whitnell, K. R. Wilson, V. V. Yakovlev, Y. J. Yan, S. Mukamel, J. Phys. Chem. 97, 12602 (1993).
[Crossref]

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Figures (3)

Fig. 1
Fig. 1

(a) FROG signal of an amplified pulse from the unoptimized Ti:sapphire chirped-pulse amplifier. (b) The time-dependent pulse intensity (solid curve) and phase (dashed curve) retrieved from (a). The oscillatory structure in the pulse intensity is due to residual cubic spectral phase.

Fig. 2
Fig. 2

(a)–(e) FROG data of CPA pulses measured at different compressor grating separations. The change in distance, Δ, from the experimentally optimal grating separation of 510 mm is shown for each measurement. (f)–(j) Frequency-dependent intensity (solid curves) and phase (dashed curves) retrieved from the data sets in (a)–(e), respectively. The spectral intensity remains nearly constant, while the pulse phase develops positive or negative curvature, according to whether the gratings are too close or too far apart. In (h) the compression is nearly optimal, and the FWHM of the time-dependent pulse intensity is 77 fs.

Fig. 3
Fig. 3

(a) Measured FROG signal of amplified pulse, which was shaped by blocking the central portion of the pulse spectrum with an opaque object placed in the pulse stretcher. (b) Time-dependent intensity (solid curve) and phase (dashed curve) retrieved from the data in (a).

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