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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 22, Iss. 8 — Apr. 15, 1997
  • pp: 540–542

Two-photon Fourier spectroscopy with femtosecond light pulses

M. Bellini, A. Bartoli, and T. W. Hänsch  »View Author Affiliations


Optics Letters, Vol. 22, Issue 8, pp. 540-542 (1997)
http://dx.doi.org/10.1364/OL.22.000540


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Abstract

We demonstrate a Fourier spectrometer that uses intense ultrashort laser pulses. By exciting the 6S1/2 – 8S1/2 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

Citation
M. Bellini, A. Bartoli, and T. W. Hänsch, "Two-photon Fourier spectroscopy with femtosecond light pulses," Opt. Lett. 22, 540-542 (1997)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-22-8-540

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