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Optics Letters

Optics Letters


  • Vol. 16, Iss. 1 — Jan. 1, 1991
  • pp: 50–52

Observation of the cesium clock transition using laser-cooled atoms in a vapor cell

C. Monroe, H. Robinson, and C. Wieman  »View Author Affiliations

Optics Letters, Vol. 16, Issue 1, pp. 50-52 (1991)

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Cesium atoms in a vapor cell have been trapped and cooled by using light from laser diodes. The 6S F = 4, m = 0 → 6S F = 3, m = 0 hyperfine clock transition was excited as these atoms then fell 2.5 cm in darkness. We observed a linewidth of 8 Hz with good signal-to-noise ratio. This gave a short-term fractional frequency resolution of 6.5 × 10 - 12 sec, and there is potential for substantial improvement. The apparatus is extremely simple and compact, consisting of a small cesium vapor cell and two diode lasers.

© 1991 Optical Society of America

Original Manuscript: June 22, 1990
Revised Manuscript: October 22, 1990
Manuscript Accepted: September 17, 1990
Published: January 1, 1991

C. Monroe, H. Robinson, and C. Wieman, "Observation of the cesium clock transition using laser-cooled atoms in a vapor cell," Opt. Lett. 16, 50-52 (1991)

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  1. D. W. Sesko, C. E. Wieman, Opt. Lett. 14, 269 (1989). [CrossRef] [PubMed]
  2. M. Kasevich, E. Riis, S. Chu, R. DeVoe, Phys. Rev. Lett. 63, 612 (1989). [CrossRef] [PubMed]
  3. J. Hall, M. Zhu, P. Buch, J. Opt. Soc. Am. B 6, 2194 (1989). [CrossRef]
  4. C. Monroe, W. Swann, H. Robinson, C. Wieman, Phys. Rev. Lett. 65, 1571 (1990). [CrossRef] [PubMed]
  5. C. Wieman, L. Hollberg, “Using diode lasers for atomic physics,” Rev. Sci. Instrum. (to be published).
  6. N. Ramsey, Molecular Beams (Oxford U. Press, London, 1956).

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