Abstract

We have designed and demonstrated two wide-bandwidth frequency doublers capable of second-harmonic generation over the entire 100-nm cavity optics bandwidth of a passively mode-locked Ti:Al2O3 laser with no loss in conversion efficiency across the bandwidth. The frequency doublers are passive, utilizing prism dispersion to achieve phase matching over this bandwidth, and exhibit minimal pulse broadening that is due to group-velocity dispersion. Our calculations show that the theoretical bandwidth of these dispersive frequency doublers extends across nearly the entire Ti:Al2O3 laser tuning range.

© 1992 Optical Society of America

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References

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    [Crossref] [PubMed]
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    [Crossref]
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    [Crossref]
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    [Crossref]
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    [Crossref]
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    [Crossref]
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    [Crossref]

1991 (1)

1990 (1)

G. Szabo, Z. Bor, Appl. Phys. B 50, 51 (1990).
[Crossref]

1984 (1)

1976 (1)

S. Saikan, Opt. Commun. 18, 439 (1976).
[Crossref]

1975 (2)

V. D. Volosov, S. G. Karpenko, N. E. Kornienko, V. L. Strizhevskii, Sov. J. Quantum Electron. 4, 1090 (1975).
[Crossref]

J. Kuhl, W. Spitschan, Opt. Commun. 13, 6 (1975).
[Crossref]

1970 (1)

1968 (1)

G. D. Boyd, D. A. Kleinman, J. Appl. Phys. 39, 3597 (1968).
[Crossref]

Bor, Z.

G. Szabo, Z. Bor, Appl. Phys. B 50, 51 (1990).
[Crossref]

Boyd, G. D.

G. D. Boyd, D. A. Kleinman, J. Appl. Phys. 39, 3597 (1968).
[Crossref]

Fork, R. L.

Gordon, J. P.

Karpenko, S. G.

V. D. Volosov, S. G. Karpenko, N. E. Kornienko, V. L. Strizhevskii, Sov. J. Quantum Electron. 4, 1090 (1975).
[Crossref]

Kean, P. N.

Kleinman, D. A.

G. D. Boyd, D. A. Kleinman, J. Appl. Phys. 39, 3597 (1968).
[Crossref]

Kornienko, N. E.

V. D. Volosov, S. G. Karpenko, N. E. Kornienko, V. L. Strizhevskii, Sov. J. Quantum Electron. 4, 1090 (1975).
[Crossref]

Kuhl, J.

J. Kuhl, W. Spitschan, Opt. Commun. 13, 6 (1975).
[Crossref]

Martinez, O. E.

Ouw, D.

Saikan, S.

Schafer, F. P.

Sibbett, W.

Spence, D. E.

Spitschan, W.

J. Kuhl, W. Spitschan, Opt. Commun. 13, 6 (1975).
[Crossref]

Strizhevskii, V. L.

V. D. Volosov, S. G. Karpenko, N. E. Kornienko, V. L. Strizhevskii, Sov. J. Quantum Electron. 4, 1090 (1975).
[Crossref]

Szabo, G.

G. Szabo, Z. Bor, Appl. Phys. B 50, 51 (1990).
[Crossref]

Volosov, V. D.

V. D. Volosov, S. G. Karpenko, N. E. Kornienko, V. L. Strizhevskii, Sov. J. Quantum Electron. 4, 1090 (1975).
[Crossref]

Appl. Opt. (1)

Appl. Phys. B (1)

G. Szabo, Z. Bor, Appl. Phys. B 50, 51 (1990).
[Crossref]

J. Appl. Phys. (1)

G. D. Boyd, D. A. Kleinman, J. Appl. Phys. 39, 3597 (1968).
[Crossref]

J. Opt. Soc. Am. A (1)

Opt. Commun. (2)

J. Kuhl, W. Spitschan, Opt. Commun. 13, 6 (1975).
[Crossref]

S. Saikan, Opt. Commun. 18, 439 (1976).
[Crossref]

Opt. Lett. (1)

Sov. J. Quantum Electron. (1)

V. D. Volosov, S. G. Karpenko, N. E. Kornienko, V. L. Strizhevskii, Sov. J. Quantum Electron. 4, 1090 (1975).
[Crossref]

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Figures (3)

Fig. 1
Fig. 1

The two dispersive frequency doublers described in the text. (a) A broad-bandwidth frequency-doubling scheme that uses two prisms for spectral dispersion. (b) A dispersive frequency doubler exhibiting minimal pulse broadening by negative group-velocity dispersion.

Fig. 2
Fig. 2

Calculated (solid curve) and measured (triangles) conversion efficiency of the dispersive frequency doubler that uses two prisms over the optics-limited tuning range of the Ti:A12O3 laser. The bandwidth of a nondispersive frequency doubler (circles) is shown for reference fitted to the expected sinc2 wavelength dependence (solid curve). The inset is the calculated bandwidth of this design over the full Ti:A12O3 gain curve.

Fig. 3
Fig. 3

(a) Calculated (solid curve) and measured (triangles) bandwidth of the frequency doubler that uses an achromat for beam collimation designed for SHG centered at 800 nm. The bandwidth of standard SHG (circles) and the expected sinc2 wavelength dependence (solid curve) are shown for comparison. The inset shows the calculated bandwidth of this design.

Equations (2)

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β = sin 1 [ ( n 2 sin 2 θ in ) 1 / 2 sin α sin θ in cos α ] ,
X ( λ ) = d sin ( β β 0 ) cos β 0 cos β × ( n 2 sin 2 β ) 1 / 2 ( n 2 sin 2 β ) 1 / 2 cos α + sin β sin α cos θ out ,

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