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Optimally Focused Cold Atom Systems Obtained Using Density-Density Correlations



Ian B. Spielman, Andika Putra, Daniel Campbell, Ryan Price, Subhadeep De


Resonant absorption imaging is a common technique for detecting the two-dimensional column density of ultracold atom systems. In many cases, the system’s thickness along the imaging direction greatly exceeds the imaging system’s depth of field, making the identification of the optimally focused configuration difficult. Here we describe a systematic technique for bringing Bose-Einstein condensates (BEC) and other cold-atom systems into an optimal focus even when the ratio of the thickness to the depth of field is large: a factor of 8 in this demonstration with a BEC.
Review of Scientific Instruments


absorption imaging, Bose Einstein condensate, depth of field, optical depth, optimal focus


Spielman, I. , Putra, A. , Campbell, D. , Price, R. and De, S. (2014), Optimally Focused Cold Atom Systems Obtained Using Density-Density Correlations, Review of Scientific Instruments, [online], (Accessed April 20, 2024)
Created January 23, 2014, Updated November 10, 2018