Phys. Rev. Lett. 76, 748–751 (1996)Transverse Diffusion in Isotropic Light SlowingReceived 18 January 1995; published in the issue dated 29 January 1996 We have demonstrated the slowing of a beam of cold (180 K) metastable neon atoms in a diffuse reflecting cylindrical cavity with monochromatic light. Using a well-collimated atomic beam entering the cavity, it is shown that stimulated emission has a major effect on the transverse velocity distribution. A large saturation parameter s results in a loss mechanism for the center line beam intensity. A Monte Carlo simulation shows that the light intensity should be evenly distributed with moderate saturation conditions, to optimize the slowing effect while minimizing the transverse diffusion. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.76.748
DOI:
10.1103/PhysRevLett.76.748
PACS:
32.80.Pj, 42.50.Vk
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