HIGH-DENSITIES OF COLD ATOMS IN A DARK SPONTANEOUS-FORCE OPTICAL TRAP

被引:452
作者
KETTERLE, W [1 ]
DAVIS, KB [1 ]
JOFFE, MA [1 ]
MARTIN, A [1 ]
PRITCHARD, DE [1 ]
机构
[1] MIT,ELECTR RES LAB,CAMBRIDGE,MA 02139
关键词
D O I
10.1103/PhysRevLett.70.2253
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A new magneto-optical trap is demonstrated which confines atoms predominantly in a ''dark'' hyperfine level, that does not interact with the trapping light. This leads to much higher atomic densities as repulsive forces between atoms due to rescattered radiation are reduced and trap loss due to excited-state collisions is diminished. In such a trap, more than 10(10) sodium atoms have been confined to densities approaching 10(12) atoms cm-3.
引用
收藏
页码:2253 / 2256
页数:4
相关论文
共 25 条
  • [1] ARIMONDO E, IN PRESS P VARENNA S
  • [2] SLOWING ATOMS WITH (SIGMA(-))-POLARIZED LIGHT
    BARRETT, TE
    DAPORESCHWARTZ, SW
    RAY, MD
    LAFYATIS, GP
    [J]. PHYSICAL REVIEW LETTERS, 1991, 67 (25) : 3483 - 3487
  • [3] CLAIRON A, 1992, 6TH P EUR TIM FREQ F
  • [4] CORNELL E, COMMUNICATION
  • [5] EMILE O, IN PRESS
  • [6] IMPROVED MAGNETOOPTIC TRAPPING IN A VAPOR CELL
    GIBBLE, KE
    KASAPI, S
    CHU, S
    [J]. OPTICS LETTERS, 1992, 17 (07) : 526 - 528
  • [7] HEINZEN DJ, 1992, 13TH INT C AT PHYS M
  • [8] JOFFE MA, 1992, 13TH INT C AT PHYS M
  • [9] COLD COLLISIONS OF GROUND-STATE AND EXCITED-STATE ALKALI-METAL ATOMS
    JULIENNE, PS
    VIGUE, J
    [J]. PHYSICAL REVIEW A, 1991, 44 (07): : 4464 - 4485
  • [10] KOHNS P, 1992, TECHNICAL DIGEST SER, V9, P258