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JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
卷 20, 期 6, 页码 1161-1168出版社
OPTICAL SOC AMER
DOI: 10.1364/JOSAB.20.001161
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An intense cold-atom beam source based on a modified pyramidal magneto-optical trap has been developed and characterized. We have produced a slow beam of cold cesium atoms with a continuous flux of 2.2 X 10(9) atoms/s at a mean velocity of 15 m/s and with a divergence of 15 mrad. The corresponding radiant intensity is 1.2 X 10(13) atom s(-1) sr(-1). We have characterized the performance of our beam source over a range of operating conditions; and the measured values for atom flux, mean velocity, and divergence are in good agreement with results from detailed Monte Carlo numerical simulations. (C) 2003 Optical Society of America.
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