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Time-of-flight detection of ultra-cold atoms using resonant frequency modulation imaging

Hardman, K S; Wigley, P B; Everitt, P J; Manju, P; Kuhn, Carlos C N; Robins, N.P


Resonant frequency modulation imaging is used to detect free falling ultra-cold atoms. A theoretical comparison of fluorescence imaging (FI) and frequency modulation imaging (FMI) is made, indicating that for low optical depth clouds, FMI accomplished a higher signal-to-noise ratio under conditions necessary for a 200 μm spatially resolved atom interferometer. A 750 ms time-of-flight measurement reveals near atom shot-noise limited number measurements of 2×10<sup>6</sup> Bose-condensed Rb87...[Show more]

CollectionsANU Research Publications
Date published: 2016-06-01
Type: Journal article
Source: Optics letters
DOI: 10.1364/OL.41.002505
Access Rights: Open Access


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