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Bichromatic slowing and collimation to make an intense helium beam
M Partlow1, X Miao, J Bochmann
1Physics and Astronomy Department, Stony Brook University, Stony Brook, New York 11790-3800, USA.
Physical Review Letters
|December 17, 2004
Abstract:
The bichromatic force has been used to both slow and collimate a beam of metastable 2(3)S He atoms (He*). The collimation capture range is an extraordinary +/-85 m/s corresponding to approximately 0.18 radians from our source. Both slowing and collimation were accomplished in the unprecedented short distance of approximately 5 cm each. The overall brightness increase is x3200, and there is potential for considerably more.