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A bright metastable atom source at 80 K

Lu, W; Hoogerland, M. D; Milic, D; Baldwin, Kenneth; Buckman, Stephen


We describe a high flux source of cold (80 K) metastable helium atoms. The source employs a direct current nozzle discharge which produces in excess of 10¹⁵ atoms/steradian/s. Liquid nitrogen cooling of the discharge source yields atomic velocities below 900 ms⁻¹. Such a source has practical applications for experiments concerned with laser cooling and trapping of metastable helium atoms.

CollectionsANU Research Publications
Type: Journal article
Source: Review of Scientific Instruments
DOI: 10.1063/1.1372169
Access Rights: Open Access


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