Collimated dual species oven source and its characterisation via spatially resolved fluorescence spectroscopy

Cooper, N and Da Ros, E and Nute, J and Baldolini, D and Jouve, P and Hackermüller, L and Langer, M (2018) Collimated dual species oven source and its characterisation via spatially resolved fluorescence spectroscopy. Journal of Physics D: Applied Physics, 51 (10). 105602. ISSN 0022-3727 (https://doi.org/10.1088/1361-6463/aaa285)

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Abstract

We describe the design, construction and characterisation of a collimated, dual-species oven source for generating intense beams of lithium and caesium in UHV environments. Our design produces full beam overlap for the two species. Using an aligned microtube array the FWHM of the output beam is restricted to ~75 milliradians, with an estimated axial brightness of 3.6×1014 atoms s-1 sr-1 for Li and 7.4×1015 atoms s-1 sr-1for Cs. We measure the properties of the output beam using a spatially-resolved fluorescence technique, which allows for the extraction of additional information not accessible without spatial resolution.

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