Abstract

A white-light continuum is used to seed a two-stage optical parametric amplifier pumped by the second harmonic of a regeneratively amplified Ti:sapphire laser system operating at 824 nm. Microjoule energies are achieved in the signal branch, which is tunable from 472 to 785 nm. Near-transform-limited sub-200-fs pulses are attainable over the vast majority of the tuning range.

© 1995 Optical Society of America

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References

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  1. W. Joosen, H. J. Bakker, L. D. Noordam, H. G. Muller, H. B. van Linden van den Heuvell, “Parametric generation in β-barium borate of intense femtosecond pulses near 800 nm,” J. Opt. Soc. Am. B 8, 2087–2093 (1991).
    [Crossref]
  2. R. Danielius, A. Piskarskas, A. Stabinis, G. P. Banfi, P. Di Trapani, R. Righini, “Traveling-wave parametric generation of widely tunable, highly coherent femtosecond light pulses,” J. Opt. Soc. Am. B 10, 2222–2232 (1993).
    [Crossref]
  3. F. Seifert, V. Petrov, F. Noack, “Sub-100-fs optical parametric generator pumped by a high-repetition-rate Ti:sapphire regenerative amplifier system,” Opt. Lett. 19, 837–839 (1994).
    [Crossref] [PubMed]
  4. V. Petrov, F. Seifert, F. Noack, “High repetition rate traveling wave optical parametric generator producing nearly bandwidth limited 50 fs infrared light pulses,” Appl. Phys. Lett. 65, 268–270 (1994).
    [Crossref]
  5. V. V. Yakovlev, B. Kohler, K. R. Wilson, “Broadly tunable 30-fs pulses produced by optical parametric amplification,” Opt. Lett. 19, 2000–2002 (1994).
    [Crossref] [PubMed]
  6. M. Nisoli, S. De Silvestri, V. Magni, O. Svelto, R. Danielius, A. Piskarskas, G. Valiulis, A. Varanavicius, “Highly efficient parametric conversion of femtosecond Ti:sapphire laser pulses at 1 kHz,” Opt. Lett. 19, 1973–1975 (1994).
    [Crossref] [PubMed]
  7. M. K. Reed, M. K. Steiner-Shepard, D. K. Negus, “Widely tunable femtosecond optical parametric amplifier at 250 kHz with a Ti:sapphire regenerative amplifier,” Opt. Lett. 19, 1855–1857 (1994).
    [Crossref] [PubMed]
  8. V. Petrov, F. Seifert, F. Noack, “Visible optical parametric generator producing nearly bandwidth-limited femtosecond light pulses at 1-kHz repetition rate,” Appl. Opt. 33, 6988–6991 (1994).
    [Crossref] [PubMed]
  9. D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, “Optical, mechanical, and thermal properties of barium borate,” J. Appl. Phys. 62, 1968–1983 (1987).
    [Crossref]
  10. S. Lin, J. Y. Huang, J. Ling, C. Chen, Y. R. Shen, “Optical parametric amplification in a lithium triborate crystal tunable from 0.65 to 2.5 μm,” Appl. Phys. Lett. 59, 2805–2807 (1991).
    [Crossref]

1994 (6)

1993 (1)

1991 (2)

W. Joosen, H. J. Bakker, L. D. Noordam, H. G. Muller, H. B. van Linden van den Heuvell, “Parametric generation in β-barium borate of intense femtosecond pulses near 800 nm,” J. Opt. Soc. Am. B 8, 2087–2093 (1991).
[Crossref]

S. Lin, J. Y. Huang, J. Ling, C. Chen, Y. R. Shen, “Optical parametric amplification in a lithium triborate crystal tunable from 0.65 to 2.5 μm,” Appl. Phys. Lett. 59, 2805–2807 (1991).
[Crossref]

1987 (1)

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, “Optical, mechanical, and thermal properties of barium borate,” J. Appl. Phys. 62, 1968–1983 (1987).
[Crossref]

Bakker, H. J.

Banfi, G. P.

Chen, C.

S. Lin, J. Y. Huang, J. Ling, C. Chen, Y. R. Shen, “Optical parametric amplification in a lithium triborate crystal tunable from 0.65 to 2.5 μm,” Appl. Phys. Lett. 59, 2805–2807 (1991).
[Crossref]

Danielius, R.

Davis, L.

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, “Optical, mechanical, and thermal properties of barium borate,” J. Appl. Phys. 62, 1968–1983 (1987).
[Crossref]

De Silvestri, S.

Di Trapani, P.

Eimerl, D.

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, “Optical, mechanical, and thermal properties of barium borate,” J. Appl. Phys. 62, 1968–1983 (1987).
[Crossref]

Graham, E. K.

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, “Optical, mechanical, and thermal properties of barium borate,” J. Appl. Phys. 62, 1968–1983 (1987).
[Crossref]

Huang, J. Y.

S. Lin, J. Y. Huang, J. Ling, C. Chen, Y. R. Shen, “Optical parametric amplification in a lithium triborate crystal tunable from 0.65 to 2.5 μm,” Appl. Phys. Lett. 59, 2805–2807 (1991).
[Crossref]

Joosen, W.

Kohler, B.

Lin, S.

S. Lin, J. Y. Huang, J. Ling, C. Chen, Y. R. Shen, “Optical parametric amplification in a lithium triborate crystal tunable from 0.65 to 2.5 μm,” Appl. Phys. Lett. 59, 2805–2807 (1991).
[Crossref]

Ling, J.

S. Lin, J. Y. Huang, J. Ling, C. Chen, Y. R. Shen, “Optical parametric amplification in a lithium triborate crystal tunable from 0.65 to 2.5 μm,” Appl. Phys. Lett. 59, 2805–2807 (1991).
[Crossref]

Magni, V.

Muller, H. G.

Negus, D. K.

Nisoli, M.

Noack, F.

Noordam, L. D.

Petrov, V.

Piskarskas, A.

Reed, M. K.

Righini, R.

Seifert, F.

Shen, Y. R.

S. Lin, J. Y. Huang, J. Ling, C. Chen, Y. R. Shen, “Optical parametric amplification in a lithium triborate crystal tunable from 0.65 to 2.5 μm,” Appl. Phys. Lett. 59, 2805–2807 (1991).
[Crossref]

Stabinis, A.

Steiner-Shepard, M. K.

Svelto, O.

Valiulis, G.

van Linden van den Heuvell, H. B.

Varanavicius, A.

Velsko, S.

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, “Optical, mechanical, and thermal properties of barium borate,” J. Appl. Phys. 62, 1968–1983 (1987).
[Crossref]

Wilson, K. R.

Yakovlev, V. V.

Zalkin, A.

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, “Optical, mechanical, and thermal properties of barium borate,” J. Appl. Phys. 62, 1968–1983 (1987).
[Crossref]

Appl. Opt. (1)

Appl. Phys. Lett. (2)

V. Petrov, F. Seifert, F. Noack, “High repetition rate traveling wave optical parametric generator producing nearly bandwidth limited 50 fs infrared light pulses,” Appl. Phys. Lett. 65, 268–270 (1994).
[Crossref]

S. Lin, J. Y. Huang, J. Ling, C. Chen, Y. R. Shen, “Optical parametric amplification in a lithium triborate crystal tunable from 0.65 to 2.5 μm,” Appl. Phys. Lett. 59, 2805–2807 (1991).
[Crossref]

J. Appl. Phys. (1)

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, “Optical, mechanical, and thermal properties of barium borate,” J. Appl. Phys. 62, 1968–1983 (1987).
[Crossref]

J. Opt. Soc. Am. B (2)

Opt. Lett. (4)

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Figures (4)

Fig. 1
Fig. 1

Schematic of the OPA: BS, beam splitter; TFP, thin-film polarizer; HWP, λ/2 plate; IF, 800-nm short-pass interference filter; DBS, dichroic beam splitter.

Fig. 2
Fig. 2

a) Spectra for the full OPA system at various wavelengths. The timing of the second-stage pump pulse has been set for the narrowest bandwidths, which corresponds to the shortest output pulses. b) Noncollinear autocorrelation trace of the signal beam at 650 nm. The fit to a sech2 pulse shape is also shown (dashed curve).

Fig. 3
Fig. 3

Bandwidth for the OPA system. The open squares represent the bandwidth of the full system (optimized for narrow bandwidths), and the open triangles correspond to the bandwidth of the first stage only. The bandwidth at 785 nm (not shown) is 1000 cm−1.

Fig. 4
Fig. 4

Pulse length and time–bandwidth product for the full OPA system. The open triangles are the measured pulse length, assuming a sech2 pulse shape (see left-hand axis). The time–bandwidth product is given as asterisks (see right-hand axis).

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