Abstract

We demonstrate the generation of femtosecond mid-infrared pulses by direct difference-frequency mixing in a AgGaS2 crystal of two intense pulses from a dual-wavelength oscillator that have been simultaneously amplified in a single regenerative amplifier. A pulse energy of as much as 1.6 µJ was achieved at wavelengths of 911 µm.

© 2002 Optical Society of America

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References

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2000 (3)

1998 (1)

1995 (1)

1994 (1)

1993 (1)

1988 (1)

D. C. Edelstein, E. S. Wachman, L. K. Cheng, W. R. Bosenberg, and C. L. Tang, Appl. Phys. Lett. 52, 2211 (1988).
[CrossRef]

Becker, P. C.

Bosenberg, W. R.

D. C. Edelstein, E. S. Wachman, L. K. Cheng, W. R. Bosenberg, and C. L. Tang, Appl. Phys. Lett. 52, 2211 (1988).
[CrossRef]

Cheng, L. K.

D. C. Edelstein, E. S. Wachman, L. K. Cheng, W. R. Bosenberg, and C. L. Tang, Appl. Phys. Lett. 52, 2211 (1988).
[CrossRef]

de Barros, M. R. X.

Deslaurier, A. M.

Edelstein, D. C.

D. C. Edelstein, E. S. Wachman, L. K. Cheng, W. R. Bosenberg, and C. L. Tang, Appl. Phys. Lett. 52, 2211 (1988).
[CrossRef]

Golubovic, B.

Hamm, P.

Jedju, T. M.

Lauterwasser, C.

Miranda, R. S.

Noack, F.

F. Rotermund, V. Petrov, and F. Noack, Opt. Commun. 185, 177 (2000).
[CrossRef]

Petrov, V.

Reed, M. K.

Rotermund, F.

F. Rotermund and V. Petrov, Opt. Lett. 25, 746 (2000).
[CrossRef]

F. Rotermund, V. Petrov, and F. Noack, Opt. Commun. 185, 177 (2000).
[CrossRef]

Seifert, F.

Strickland, D.

Tang, C. L.

D. C. Edelstein, E. S. Wachman, L. K. Cheng, W. R. Bosenberg, and C. L. Tang, Appl. Phys. Lett. 52, 2211 (1988).
[CrossRef]

Wachman, E. S.

D. C. Edelstein, E. S. Wachman, L. K. Cheng, W. R. Bosenberg, and C. L. Tang, Appl. Phys. Lett. 52, 2211 (1988).
[CrossRef]

Woerner, M.

Zhang, Z.

Zinth, W.

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Figures (3)

Fig. 1
Fig. 1

Experimental setup: PR, polarization rotator; L1, L2, 30- and 15-cm lenses, respectively; M, Au-coated concave mirror.

Fig. 2
Fig. 2

Characteristics of (a) photon-conversion efficiency and (b) TPA losses as a function of total input energy.

Fig. 3
Fig. 3

(a) Spectrum of the mid-infrared pulse generated by difference-frequency mixing. (b) Cross correlation between the mid-infrared pulse and the 200-fs-duration shorter-wavelength pulse. The solid curve is a fit of the Gaussian function.

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