Collimated, single-pass atom source from a pulsed alkali metal dispenser for laser-cooling experiments
Journal Article
·
· Review of Scientific Instruments
- University of California, 366 LeConte Hall, Berkeley, California 94720 (United States)
We have developed an improved scheme for loading atoms into a magneto-optical trap (MOT) from a directed rubidium alkali metal dispenser in <10{sup -10} Torr ultrahigh vacuum conditions. A current-driven dispenser was surrounded with a cold absorbing 'shroud' held at {<=}0 deg. C, pumping rubidium atoms not directed into the MOT. This nearly eliminates background atoms and reduces the detrimental rise in pressure normally associated with these devices. The system can be well-described as a current-controlled, rapidly switched, two-temperature thermal beam, and was used to load a MOT with 3x10{sup 8} atoms.
- OSTI ID:
- 20644077
- Journal Information:
- Review of Scientific Instruments, Journal Name: Review of Scientific Instruments Journal Issue: 2 Vol. 76; ISSN 0034-6748; ISSN RSINAK
- Country of Publication:
- United States
- Language:
- English
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