OSA's Digital Library

Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 16, Iss. 6 — Jun. 1, 1999
  • pp: 994–997

Magneto-optical trap loaded from a low-velocity intense source

Chang Yong Park, Myung Sim Jun, and D. Cho  »View Author Affiliations

JOSA B, Vol. 16, Issue 6, pp. 994-997 (1999)

View Full Text Article

Enhanced HTML    Acrobat PDF (161 KB)

Browse Journals / Lookup Meetings

Browse by Journal and Year


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools



We produced a slow atomic beam of rubidium with a low-velocity intense source (LVIS) and loaded a magneto-optical trap (MOT) in a connected chamber with the beam. The hole for the atomic beam allowed us to keep the MOT chamber at a much lower pressure than that of the LVIS. The LVIS produced an atomic beam with a continuous flux of (4.3±0.4)×109/s and an average velocity of only 11±3 m/s. The MOT captured the atoms with 67±15% efficiency, which was limited by the atomic-beam divergence. The MOT held 6×109 atoms with a typical trap-confinement time of 8 s.

© 1999 Optical Society of America

OCIS Codes
(020.2070) Atomic and molecular physics : Effects of collisions
(020.7010) Atomic and molecular physics : Laser trapping
(140.7010) Lasers and laser optics : Laser trapping
(300.6210) Spectroscopy : Spectroscopy, atomic

Chang Yong Park, Myung Sim Jun, and D. Cho, "Magneto-optical trap loaded from a low-velocity intense source," J. Opt. Soc. Am. B 16, 994-997 (1999)

Sort:  Author  |  Year  |  Journal  |  Reset  


  1. C. Monroe, W. Swann, H. Robinson, and C. Wieman, “Very cold trapped atoms in a vapor cell,” Phys. Rev. Lett. 65, 1571 (1990). [CrossRef] [PubMed]
  2. W. D. Phillips and H. Metcalf, “Laser deceleration of an atomic beam,” Phys. Rev. Lett. 48, 596 (1982). [CrossRef]
  3. W. Ertmer, R. Blatt, J. L. Hall, and M. Zhu, “Laser manipulation of atomic beam velocities: demonstration of stopped atoms and velocity reversal,” Phys. Rev. Lett. 54, 996 (1985). [CrossRef] [PubMed]
  4. M. H. Anderson, J. R. Ensher, M. R. Matthews, C. E. Wieman, and E. C. Cornell, “Observation of Bose–Einstein condensation in a dilute atomic vapor,” Science 269, 198 (1995). [CrossRef] [PubMed]
  5. C. J. Myatt, N. R. Newbury, R. W. Ghrist, S. Loutzenhiser, and C. E. Wieman, “Multiply loaded magneto-optical trap,” Opt. Lett. 21, 290 (1996); K. Gibble, S. Chang, and R. Legere, “Direct observation of s-wave atomic collisions,” Phys. Rev. Lett. 75, 2666 (1995). [CrossRef] [PubMed]
  6. C. J. Myatt, E. A. Burt, R. W. Ghrist, E. A. Cornell, and C. E. Wieman, “Production of two overlapping Bose–Einstein condensates by sympathetic cooling,” Phys. Rev. Lett. 78, 586 (1997). [CrossRef]
  7. Z. T. Lu, K. L. Corwin, M. J. Renn, M. H. Anderson, E. A. Cornell, and C. E. Wieman, “A low-velocity intense source of atoms from a magneto-optical trap,” Phys. Rev. Lett. 77, 3331 (1996). [CrossRef] [PubMed]
  8. J. A. Kim, K. I. Lee, H. R. Nho, W. Jhe, and M. Ohtsu, “Atom trap in an axicon mirror,” Opt. Lett. 22, 117 (1997). [CrossRef] [PubMed]
  9. R. S. Williamson III, P. A. Voytas, R. T. Newell, and T. Walker, “A funnel-loaded magneto-optical trap loaded from a pyramidal funnel,” Opt. Express 3, 111 (1998). [CrossRef] [PubMed]
  10. M. S. Jun, C. Y. Park, and D. Cho, “Low-velocity intense source of rubidium atoms,” J. Korean Phys. Soc. 33, 260 (1998).
  11. Baking the ion pump at 350 °C for a day with a sorption pump connected to it could restore the pumping speed.
  12. K. B. MacAdam, A. Steinbach, and C. Wieman, “A narrow band tunable diode laser system with grating feedback, and a saturated absorption spectrometer for Cs and Rb,” Am. J. Phys. 60, 109 (1992). [CrossRef]
  13. K. Lindquist, M. Stephens, and C. Wieman, “Experimental and theoretical study of the vapor-cell Zeeman optical trap,” Phys. Rev. A 46, 4082 (1992). [CrossRef] [PubMed]
  14. T. Walker, D. Sesko, and C. E. Wieman, “Collective behavior of optically trapped neutral atoms,” Phys. Rev. Lett. 64, 408 (1990). [CrossRef] [PubMed]
  15. M. Prentiss, A. Cable, J. E. Bjorkholm, S. Chu, E. L. Raab, and D. E. Pritchard, “Atomic-density-dependent losses in an optical trap,” Opt. Lett. 13, 452 (1988). [CrossRef] [PubMed]
  16. W. Ketterle, K. B. Davis, M. A. Joffe, A. Martin, and E. E. Pritchard, “High densities of cold atoms in a dark spontaneous-force optical trap,” Phys. Rev. Lett. 70, 2253 (1993). [CrossRef] [PubMed]

Cited By

Alert me when this paper is cited

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.


Fig. 1 Fig. 2 Fig. 3

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited