Abstract

A tunable regenerative Ti:sapphire amplifier system working at a 1-kHz repetition rate pumps an optical parametric generator providing near-infrared pulses tunable in the wavelength range from 1 to 2.5 μm. The signal and idler pulses with a duration below 100 fs are mixed in a AgGaS2 crystal to generate pulses at the difference frequency. The midinfrared output is continuously tunable between 3.3 and 10 μm, with pulse energies of as high as 50 nJ and durations of 160 fs, as directly determined from cross-correlation measurements.

© 1994 Optical Society of America

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References

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    [CrossRef]

1994 (3)

V. Petrov, F. Seifert, F. Noack, Appl. Phys. Lett. 65, 268 (1994).
[CrossRef]

See, for example, M. Woerner, W. Frey, M. T. Portella, C. Ludwig, T. Elsaesser, W. Kaiser, Phys. Rev. B 49, 17007 (1994).
[CrossRef]

F. Seifert, V. Petrov, F. Noack, Opt. Lett. 19, 837 (1994).
[CrossRef] [PubMed]

1993 (2)

1992 (2)

Q. Fu, G. Mak, H. M. van Driel, Opt. Lett. 17, 1006 (1992).
[CrossRef] [PubMed]

B. Wu, F. Xie, C. Chen, D. Deng, Z. Xu, Opt. Commun. 88, 451 (1992).
[CrossRef]

1991 (2)

1990 (1)

1989 (1)

D. C. Edelstein, E. S. Wachman, C. L. Tang, Appl. Phys. Lett. 54, 1728 (1989).
[CrossRef]

1987 (1)

Becker, P. C.

Chen, C.

B. Wu, F. Xie, C. Chen, D. Deng, Z. Xu, Opt. Commun. 88, 451 (1992).
[CrossRef]

Davis, L.

S. P. Velsko, M. Webb, L. Davis, C. Huang, IEEE J. Quantum Electron. 27, 2182 (1991).
[CrossRef]

deBarros, M. R. X.

Deng, D.

B. Wu, F. Xie, C. Chen, D. Deng, Z. Xu, Opt. Commun. 88, 451 (1992).
[CrossRef]

Edelstein, D. C.

D. C. Edelstein, E. S. Wachman, C. L. Tang, Appl. Phys. Lett. 54, 1728 (1989).
[CrossRef]

Elsaesser, T.

See, for example, M. Woerner, W. Frey, M. T. Portella, C. Ludwig, T. Elsaesser, W. Kaiser, Phys. Rev. B 49, 17007 (1994).
[CrossRef]

T. Elsaesser, M. C. Nuss, Opt. Lett. 16, 411 (1991); C. Ludwig, W. Frey, M. Woerner, T. Elsaesser, Opt. Commun. 102, 447 (1993).
[CrossRef] [PubMed]

Frey, W.

See, for example, M. Woerner, W. Frey, M. T. Portella, C. Ludwig, T. Elsaesser, W. Kaiser, Phys. Rev. B 49, 17007 (1994).
[CrossRef]

Fu, Q.

Graener, H.

Hamm, P.

Huang, C.

S. P. Velsko, M. Webb, L. Davis, C. Huang, IEEE J. Quantum Electron. 27, 2182 (1991).
[CrossRef]

Kaiser, W.

See, for example, M. Woerner, W. Frey, M. T. Portella, C. Ludwig, T. Elsaesser, W. Kaiser, Phys. Rev. B 49, 17007 (1994).
[CrossRef]

Laenen, R.

Laubereau, A.

Lauterwasser, C.

Ludwig, C.

See, for example, M. Woerner, W. Frey, M. T. Portella, C. Ludwig, T. Elsaesser, W. Kaiser, Phys. Rev. B 49, 17007 (1994).
[CrossRef]

Mak, G.

Moore, D. S.

Noack, F.

V. Petrov, F. Seifert, F. Noack, Appl. Phys. Lett. 65, 268 (1994).
[CrossRef]

F. Seifert, V. Petrov, F. Noack, Opt. Lett. 19, 837 (1994).
[CrossRef] [PubMed]

Nuss, M. C.

Petrov, V.

V. Petrov, F. Seifert, F. Noack, Appl. Phys. Lett. 65, 268 (1994).
[CrossRef]

F. Seifert, V. Petrov, F. Noack, Opt. Lett. 19, 837 (1994).
[CrossRef] [PubMed]

Portella, M. T.

See, for example, M. Woerner, W. Frey, M. T. Portella, C. Ludwig, T. Elsaesser, W. Kaiser, Phys. Rev. B 49, 17007 (1994).
[CrossRef]

Schmidt, S. C.

Seifert, F.

V. Petrov, F. Seifert, F. Noack, Appl. Phys. Lett. 65, 268 (1994).
[CrossRef]

F. Seifert, V. Petrov, F. Noack, Opt. Lett. 19, 837 (1994).
[CrossRef] [PubMed]

Tang, C. L.

D. C. Edelstein, E. S. Wachman, C. L. Tang, Appl. Phys. Lett. 54, 1728 (1989).
[CrossRef]

van Driel, H. M.

Velsko, S. P.

S. P. Velsko, M. Webb, L. Davis, C. Huang, IEEE J. Quantum Electron. 27, 2182 (1991).
[CrossRef]

Wachman, E. S.

D. C. Edelstein, E. S. Wachman, C. L. Tang, Appl. Phys. Lett. 54, 1728 (1989).
[CrossRef]

Webb, M.

S. P. Velsko, M. Webb, L. Davis, C. Huang, IEEE J. Quantum Electron. 27, 2182 (1991).
[CrossRef]

Woerner, M.

See, for example, M. Woerner, W. Frey, M. T. Portella, C. Ludwig, T. Elsaesser, W. Kaiser, Phys. Rev. B 49, 17007 (1994).
[CrossRef]

Wu, B.

B. Wu, F. Xie, C. Chen, D. Deng, Z. Xu, Opt. Commun. 88, 451 (1992).
[CrossRef]

Xie, F.

B. Wu, F. Xie, C. Chen, D. Deng, Z. Xu, Opt. Commun. 88, 451 (1992).
[CrossRef]

Xu, Z.

B. Wu, F. Xie, C. Chen, D. Deng, Z. Xu, Opt. Commun. 88, 451 (1992).
[CrossRef]

Zinth, W.

Appl. Phys. Lett. (2)

D. C. Edelstein, E. S. Wachman, C. L. Tang, Appl. Phys. Lett. 54, 1728 (1989).
[CrossRef]

V. Petrov, F. Seifert, F. Noack, Appl. Phys. Lett. 65, 268 (1994).
[CrossRef]

IEEE J. Quantum Electron. (1)

S. P. Velsko, M. Webb, L. Davis, C. Huang, IEEE J. Quantum Electron. 27, 2182 (1991).
[CrossRef]

Opt. Commun. (1)

B. Wu, F. Xie, C. Chen, D. Deng, Z. Xu, Opt. Commun. 88, 451 (1992).
[CrossRef]

Opt. Lett. (7)

Phys. Rev. B (1)

See, for example, M. Woerner, W. Frey, M. T. Portella, C. Ludwig, T. Elsaesser, W. Kaiser, Phys. Rev. B 49, 17007 (1994).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Schematic of the experimental setup for the generation of femtosecond pulses in the MIR. DM’s, dichroic mirrors. The optical path for the signal beam is arranged for polarization rotation by off-plane mounting of the signal pulse delay line.

Fig. 2
Fig. 2

Calculated LBO seeder temperature versus the MIR wavelength (pump wavelength λTS = 800 nm, dashed curve) and the group-velocity mismatch (GVM) in AgGaS2: (l/vsignal − 1/vMIR) between the signal and the MIR pulse (curve a) and (1/vidler − 1/vMIR) between the idler and the MIR pulse (curve b).

Fig. 3
Fig. 3

Spectra of the MIR pulses indicating a tuning range from 3.3 to 10μm (1000–3000 cm−1) and a bandwidth of 200 cm−1 (FWHM). The relatively narrow spectrum at 2200 cm−1 is strongly influenced by the CO2 absorption in air.

Fig. 4
Fig. 4

Cross-correlation function between the MIR pulses at 4 μm and the fundamental pulses at 800 nm measured by upconversion in a 300-μm-thick LiIO3 crystal. A duration of the MIR pulse of 160 fs is derived from the data.

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