Abstract

Type II phase-matched β-barium borate is used in the first stage of amplification of a white-light continuum in a two-stage optical parametric amplifier pumped by the second harmonic of a regeneratively amplified Ti:sapphire laser system operating at 824 nm. Near-transform-limited sub-190-fs pulses with microjoule energies are achieved in the signal branch, which is tunable from 475 nm to degeneracy. This system effectively bridges the wavelength gap between the fundamental and the second harmonic of amplified Ti:sapphire laser systems.

© 1995 Optical Society of America

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References

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1995 (1)

1994 (6)

1993 (1)

1992 (1)

1991 (2)

1990 (1)

R. C. Eckardt, H. Masuda, Y. X. Fan, R. L. Byer, IEEE J. Quantum Electron. 26, 922 (1990).
[CrossRef]

1987 (1)

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, J. Appl. Phys. 62, 1968 (1987).
[CrossRef]

1986 (1)

K. Kato, IEEE J. Quantum Electron. QE-22, 1013 (1986).
[CrossRef]

Agostini, P.

Antonetti, A.

Bakker, H. J.

Banfi, G. P.

Byer, R. L.

R. C. Eckardt, H. Masuda, Y. X. Fan, R. L. Byer, IEEE J. Quantum Electron. 26, 922 (1990).
[CrossRef]

R. L. Byer, R. L. Herbst, in Nonlinear Infrared Generation, Y. R. Shen, ed. (Springer-Verlag, Berlin, 1977), p. 96.

Chambaret, J. P.

Chen, C.

S. Lin, J. Y. Huang, J. Ling, C. Chen, Y. R. Shen, Appl. Phys. Lett. 59, 2805 (1991).
[CrossRef]

Danielius, R.

Davis, L.

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, J. Appl. Phys. 62, 1968 (1987).
[CrossRef]

De Silvestri, S.

Di Trapani, P.

Eckardt, R. C.

R. C. Eckardt, H. Masuda, Y. X. Fan, R. L. Byer, IEEE J. Quantum Electron. 26, 922 (1990).
[CrossRef]

Eimerl, D.

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, J. Appl. Phys. 62, 1968 (1987).
[CrossRef]

Fan, Y. X.

R. C. Eckardt, H. Masuda, Y. X. Fan, R. L. Byer, IEEE J. Quantum Electron. 26, 922 (1990).
[CrossRef]

Graham, E. K.

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, J. Appl. Phys. 62, 1968 (1987).
[CrossRef]

Greenfield, S. R.

Herbst, R. L.

R. L. Byer, R. L. Herbst, in Nonlinear Infrared Generation, Y. R. Shen, ed. (Springer-Verlag, Berlin, 1977), p. 96.

Huang, J. Y.

S. Lin, J. Y. Huang, J. Ling, C. Chen, Y. R. Shen, Appl. Phys. Lett. 59, 2805 (1991).
[CrossRef]

Joosen, W.

Kato, K.

K. Kato, IEEE J. Quantum Electron. QE-22, 1013 (1986).
[CrossRef]

Kohler, B.

Lin, S.

S. Lin, J. Y. Huang, J. Ling, C. Chen, Y. R. Shen, Appl. Phys. Lett. 59, 2805 (1991).
[CrossRef]

Ling, J.

S. Lin, J. Y. Huang, J. Ling, C. Chen, Y. R. Shen, Appl. Phys. Lett. 59, 2805 (1991).
[CrossRef]

Magni, V.

Masuda, H.

R. C. Eckardt, H. Masuda, Y. X. Fan, R. L. Byer, IEEE J. Quantum Electron. 26, 922 (1990).
[CrossRef]

Muller, H. G.

Negus, D. K.

Nisoli, M.

Noack, F.

Noordam, L. D.

Petite, G.

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, Appl. Phys. Lett. 59, 2805 (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, J. Appl. Phys. 62, 1968 (1987).
[CrossRef]

Wasielewski, M. R.

Wilson, K. R.

Yakovlev, V. V.

Zalkin, A.

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, J. Appl. Phys. 62, 1968 (1987).
[CrossRef]

Appl. Opt. (2)

Appl. Phys. Lett. (2)

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

S. Lin, J. Y. Huang, J. Ling, C. Chen, Y. R. Shen, Appl. Phys. Lett. 59, 2805 (1991).
[CrossRef]

IEEE J. Quantum Electron. (2)

K. Kato, IEEE J. Quantum Electron. QE-22, 1013 (1986).
[CrossRef]

R. C. Eckardt, H. Masuda, Y. X. Fan, R. L. Byer, IEEE J. Quantum Electron. 26, 922 (1990).
[CrossRef]

J. Appl. Phys. (1)

D. Eimerl, L. Davis, S. Velsko, E. K. Graham, A. Zalkin, J. Appl. Phys. 62, 1968 (1987).
[CrossRef]

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

Opt. Lett. (5)

Other (1)

R. L. Byer, R. L. Herbst, in Nonlinear Infrared Generation, Y. R. Shen, ed. (Springer-Verlag, Berlin, 1977), p. 96.

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Figures (4)

Fig. 1
Fig. 1

Schematic of the OPA. HWP’s, half-wave plates; BS, beam splitter; TFP’s, thin-film polarizers; DBS’s, dichroic beam splitters; IF, 800-nm short-pass interference filter; BBO-I, BBO-II, Type I and Type II phase matching, respectively.

Fig. 2
Fig. 2

(a) Spectrum of the signal beam at 725 nm after both stages of amplification. The dashed curve is the fit to a Gaussian pulse shape. (b) Autocorrelation of same pulse. The dashed curve is the fit to a sech2 pulse shape, and the reported FWHM assumes a sech2 pulse shape.

Fig. 3
Fig. 3

Bandwidths for the full OPA system (open squares) and for the first stage only (open triangles). The curve is the calculation of the first-stage (i.e., Type II BBO) bandwidth based on Eq. (1) with the actual experimental parameters Φ = 140 GW/cm2, L = 3 mm.

Fig. 4
Fig. 4

Measured pulse length assuming a sech2 pulse shape (open triangles) and the time–bandwidth product (asterisks) for the full OPA system.

Equations (2)

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Δ ν = 0.53 c 1 / υ s - 1 / υ i Γ 0 / L ,
Γ 0 = d eff ( 2 ω s ω i Φ ɛ 0 n s n i n p c 3 ) 1 / 2 ,

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