Abstract

We demonstrate a Fourier spectrometer that uses intense ultrashort laser pulses. By exciting the 6S1/28S1/2 two-photon transition in atomic cesium vapor, we are able to measure the small hyperfine splitting of the 8S1/2 excited state. This technique, combining a high spectral resolution with the high peak intensities available to femtosecond laser systems, may offer intriguing opportunities for the study of multiphoton transitions and for spectroscopy in the short-wavelength region.

© 1997 Optical Society of America

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  1. R. G. Beausoleil and T. W. Hänsch, Phys. Rev. A 33, 1661 (1986).
    [Crossref] [PubMed]
  2. V. P. Chebotaev, Sov. JETP Lett. 49, 489 (1989).
  3. M. M. Salour, Rev. Mod. Phys. 50, 667 (1978), and references therein.
    [Crossref]
  4. R. Teets, J. Eckstein, and T. W. Hänsch, Phys. Rev. Lett. 38, 760 (1977).
    [Crossref]
  5. J. T. Fourkas, W. L. Wilson, G. Wäkerle, A. E. Frost, and M. D. Frayer, J. Opt. Soc. Am. B 6, 1905 (1989).
    [Crossref]
  6. O. Kinrot, I. S. Averbukh, and Y. Prior, Phys. Rev. Lett. 75, 3822 (1995).
    [Crossref] [PubMed]
  7. Internationally agreed standard for the definition of the time unit.
  8. P. P. Herrmann, J. Hoffnagle, A. Pedroni, N. Schlumpf, and A. Weis, Opt. Commun. 56, 22 (1985).
    [Crossref]
  9. C. Fort, F. S. Cataliotti, P. Raspollini, G. M. Tino, and M. Inguscio, Z. Phys. D 34, 91 (1995).
    [Crossref]
  10. A. L'Huillier, L. Lompre, G. Mainfray, and C. Manus, in Atoms in Intense Laser Fields, M. Gavrila, ed. (Academic, New York, 1992) p. 139.

1995 (2)

O. Kinrot, I. S. Averbukh, and Y. Prior, Phys. Rev. Lett. 75, 3822 (1995).
[Crossref] [PubMed]

C. Fort, F. S. Cataliotti, P. Raspollini, G. M. Tino, and M. Inguscio, Z. Phys. D 34, 91 (1995).
[Crossref]

1989 (2)

1986 (1)

R. G. Beausoleil and T. W. Hänsch, Phys. Rev. A 33, 1661 (1986).
[Crossref] [PubMed]

1985 (1)

P. P. Herrmann, J. Hoffnagle, A. Pedroni, N. Schlumpf, and A. Weis, Opt. Commun. 56, 22 (1985).
[Crossref]

1978 (1)

M. M. Salour, Rev. Mod. Phys. 50, 667 (1978), and references therein.
[Crossref]

1977 (1)

R. Teets, J. Eckstein, and T. W. Hänsch, Phys. Rev. Lett. 38, 760 (1977).
[Crossref]

Averbukh, I. S.

O. Kinrot, I. S. Averbukh, and Y. Prior, Phys. Rev. Lett. 75, 3822 (1995).
[Crossref] [PubMed]

Beausoleil, R. G.

R. G. Beausoleil and T. W. Hänsch, Phys. Rev. A 33, 1661 (1986).
[Crossref] [PubMed]

Cataliotti, F. S.

C. Fort, F. S. Cataliotti, P. Raspollini, G. M. Tino, and M. Inguscio, Z. Phys. D 34, 91 (1995).
[Crossref]

Chebotaev, V. P.

V. P. Chebotaev, Sov. JETP Lett. 49, 489 (1989).

Eckstein, J.

R. Teets, J. Eckstein, and T. W. Hänsch, Phys. Rev. Lett. 38, 760 (1977).
[Crossref]

Fort, C.

C. Fort, F. S. Cataliotti, P. Raspollini, G. M. Tino, and M. Inguscio, Z. Phys. D 34, 91 (1995).
[Crossref]

Fourkas, J. T.

Frayer, M. D.

Frost, A. E.

Hänsch, T. W.

R. G. Beausoleil and T. W. Hänsch, Phys. Rev. A 33, 1661 (1986).
[Crossref] [PubMed]

R. Teets, J. Eckstein, and T. W. Hänsch, Phys. Rev. Lett. 38, 760 (1977).
[Crossref]

Herrmann, P. P.

P. P. Herrmann, J. Hoffnagle, A. Pedroni, N. Schlumpf, and A. Weis, Opt. Commun. 56, 22 (1985).
[Crossref]

Hoffnagle, J.

P. P. Herrmann, J. Hoffnagle, A. Pedroni, N. Schlumpf, and A. Weis, Opt. Commun. 56, 22 (1985).
[Crossref]

Inguscio, M.

C. Fort, F. S. Cataliotti, P. Raspollini, G. M. Tino, and M. Inguscio, Z. Phys. D 34, 91 (1995).
[Crossref]

Kinrot, O.

O. Kinrot, I. S. Averbukh, and Y. Prior, Phys. Rev. Lett. 75, 3822 (1995).
[Crossref] [PubMed]

L'Huillier, A.

A. L'Huillier, L. Lompre, G. Mainfray, and C. Manus, in Atoms in Intense Laser Fields, M. Gavrila, ed. (Academic, New York, 1992) p. 139.

Lompre, L.

A. L'Huillier, L. Lompre, G. Mainfray, and C. Manus, in Atoms in Intense Laser Fields, M. Gavrila, ed. (Academic, New York, 1992) p. 139.

Mainfray, G.

A. L'Huillier, L. Lompre, G. Mainfray, and C. Manus, in Atoms in Intense Laser Fields, M. Gavrila, ed. (Academic, New York, 1992) p. 139.

Manus, C.

A. L'Huillier, L. Lompre, G. Mainfray, and C. Manus, in Atoms in Intense Laser Fields, M. Gavrila, ed. (Academic, New York, 1992) p. 139.

Pedroni, A.

P. P. Herrmann, J. Hoffnagle, A. Pedroni, N. Schlumpf, and A. Weis, Opt. Commun. 56, 22 (1985).
[Crossref]

Prior, Y.

O. Kinrot, I. S. Averbukh, and Y. Prior, Phys. Rev. Lett. 75, 3822 (1995).
[Crossref] [PubMed]

Raspollini, P.

C. Fort, F. S. Cataliotti, P. Raspollini, G. M. Tino, and M. Inguscio, Z. Phys. D 34, 91 (1995).
[Crossref]

Salour, M. M.

M. M. Salour, Rev. Mod. Phys. 50, 667 (1978), and references therein.
[Crossref]

Schlumpf, N.

P. P. Herrmann, J. Hoffnagle, A. Pedroni, N. Schlumpf, and A. Weis, Opt. Commun. 56, 22 (1985).
[Crossref]

Teets, R.

R. Teets, J. Eckstein, and T. W. Hänsch, Phys. Rev. Lett. 38, 760 (1977).
[Crossref]

Tino, G. M.

C. Fort, F. S. Cataliotti, P. Raspollini, G. M. Tino, and M. Inguscio, Z. Phys. D 34, 91 (1995).
[Crossref]

Wäkerle, G.

Weis, A.

P. P. Herrmann, J. Hoffnagle, A. Pedroni, N. Schlumpf, and A. Weis, Opt. Commun. 56, 22 (1985).
[Crossref]

Wilson, W. L.

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

Opt. Commun. (1)

P. P. Herrmann, J. Hoffnagle, A. Pedroni, N. Schlumpf, and A. Weis, Opt. Commun. 56, 22 (1985).
[Crossref]

Phys. Rev. A (1)

R. G. Beausoleil and T. W. Hänsch, Phys. Rev. A 33, 1661 (1986).
[Crossref] [PubMed]

Phys. Rev. Lett. (2)

R. Teets, J. Eckstein, and T. W. Hänsch, Phys. Rev. Lett. 38, 760 (1977).
[Crossref]

O. Kinrot, I. S. Averbukh, and Y. Prior, Phys. Rev. Lett. 75, 3822 (1995).
[Crossref] [PubMed]

Rev. Mod. Phys. (1)

M. M. Salour, Rev. Mod. Phys. 50, 667 (1978), and references therein.
[Crossref]

Sov. JETP Lett. (1)

V. P. Chebotaev, Sov. JETP Lett. 49, 489 (1989).

Z. Phys. D (1)

C. Fort, F. S. Cataliotti, P. Raspollini, G. M. Tino, and M. Inguscio, Z. Phys. D 34, 91 (1995).
[Crossref]

Other (2)

A. L'Huillier, L. Lompre, G. Mainfray, and C. Manus, in Atoms in Intense Laser Fields, M. Gavrila, ed. (Academic, New York, 1992) p. 139.

Internationally agreed standard for the definition of the time unit.

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Figures (4)

Fig. 1
Fig. 1

Experimental setup: BS, 800-nm 50% beam splitter; L, 100-mm focal-length lens; F, filter for 460  nm; PMT, photomultiplier tube; M.L., mode-locked.

Fig. 2
Fig. 2

Schematic drawing of the levels involved in the 6S1/28S1/2 two-photon transition in cesium. The fluorescence signal at 460  nm is emitted as the excited atoms decay to the ground state through the 7P levels. The hyperfine structure of the 6S1/2 and 8S1/2 levels is also shown.

Fig. 3
Fig. 3

Time-domain Ramsey fringes in the fluorescence signal emitted by the excited cesium atoms as a function of the time delay T between the pulses. From a measurement of the fringe period one can readily obtain a rough estimate of the atomic frequency.

Fig. 4
Fig. 4

Fluorescence signal as a function of the time delay T between the pulses. The periodic modulation in the fringe contrast is clearly visible and was used to determine the frequency splitting between the levels.

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