Abstract

We report on a tunable regenerative amplifier that is operational in the near-infrared spectral region from 1230 to 1280 nm based on the vibronic laser material Cr:forsterite. Utilizing the technique of chirped-pulse amplification, we generated pulses as short as 150 fs at 1255 nm at a repetition rate of 1 kHz. Pulse amplification of more than 5×105 times was observed, with recorded output pulse energies of 34 µJ. Implementation of a second-harmonic generator yielded 110-fs-duration pulses of 7µJ energy at 625 nm.

© 1998 Optical Society of America

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References

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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]

1993 (2)

1992 (1)

1991 (1)

1988 (2)

V. Petri?evi?, S. K. Gayen, and R. R. Alfano, Appl. Phys. Lett. 53, 2590 (1988).
[CrossRef]

H. R. Verdun, L. M. Thomas, D. M. Andrauskas, T. McCollum, and A. Pinto, Appl. Phys. Lett. 53, 2593 (1988).
[CrossRef]

1985 (1)

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

Alfano, R. R.

A. Seas, V. Petri?evi?, and R. R. Alfano, Opt. Lett. 18, 891 (1993).
[CrossRef]

V. Petri?evi?, S. K. Gayen, and R. R. Alfano, Appl. Phys. Lett. 53, 2590 (1988).
[CrossRef]

Andrauskas, D. M.

H. R. Verdun, L. M. Thomas, D. M. Andrauskas, T. McCollum, and A. Pinto, Appl. Phys. Lett. 53, 2593 (1988).
[CrossRef]

Gayen, S. K.

V. Petri?evi?, S. K. Gayen, and R. R. Alfano, Appl. Phys. Lett. 53, 2590 (1988).
[CrossRef]

Harter, D.

McCollum, T.

H. R. Verdun, L. M. Thomas, D. M. Andrauskas, T. McCollum, and A. Pinto, Appl. Phys. Lett. 53, 2593 (1988).
[CrossRef]

Minkov, B. I.

Mourou, G.

Norris, T. B.

Pang, Y.

Petricevic, V.

A. Seas, V. Petri?evi?, and R. R. Alfano, Opt. Lett. 18, 891 (1993).
[CrossRef]

V. Petri?evi?, S. K. Gayen, and R. R. Alfano, Appl. Phys. Lett. 53, 2590 (1988).
[CrossRef]

Pinto, A.

H. R. Verdun, L. M. Thomas, D. M. Andrauskas, T. McCollum, and A. Pinto, Appl. Phys. Lett. 53, 2593 (1988).
[CrossRef]

Salin, F.

Seas, A.

Squier, J.

Strickland, D.

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

Thomas, L. M.

H. R. Verdun, L. M. Thomas, D. M. Andrauskas, T. McCollum, and A. Pinto, Appl. Phys. Lett. 53, 2593 (1988).
[CrossRef]

Verdun, H. R.

H. R. Verdun, L. M. Thomas, D. M. Andrauskas, T. McCollum, and A. Pinto, Appl. Phys. Lett. 53, 2593 (1988).
[CrossRef]

Wise, F.

Yanovsky, V.

Appl. Phys. Lett. (2)

V. Petri?evi?, S. K. Gayen, and R. R. Alfano, Appl. Phys. Lett. 53, 2590 (1988).
[CrossRef]

H. R. Verdun, L. M. Thomas, D. M. Andrauskas, T. McCollum, and A. Pinto, Appl. Phys. Lett. 53, 2593 (1988).
[CrossRef]

Opt. Commun. (1)

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

Opt. Lett. (4)

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Figures (6)

Fig. 1
Fig. 1

Schematic of the experimental setup, showing the oscillator, the stretcher–compressor stage, and the amplifier (the pump lasers are not shown).

Fig. 2
Fig. 2

(a) Oscillogram showing photodiode signal monitoring, pulse buildup, and switching out in a Cr:forsterite regenerative amplifier. (b) Oscillogram of the photodiode signal, showing the regenerative amplifier output.

Fig. 3
Fig. 3

Power spectra of oscillator (thick curve) and amplifier (thin curve) outputs.

Fig. 4
Fig. 4

Slow-scan autocorrelation trace of the Cr:forsterite regenerative amplifier output (squares). The solid curve is a sech2 fit to the experimental data with FWHM=150 fs.

Fig. 5
Fig. 5

Output characteristics of the Cr:forsterite regenerative amplifier, showing the compressed pulse energy as a function of wavelength.

Fig. 6
Fig. 6

Slow-scan autocorrelation trace of the frequency-doubled Cr:forsterite regenerative amplifier output (squares). The solid curve is a sech2 fit to the experimental data with FWHM=110 fs.

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