Partial-Transfer Absorption Imaging: A versatile technique for optimal imaging of ultracold gases
arXiv:1206.7048 · doi:10.1063/1.4747163
Abstract
Partial-transfer absorption imaging is a tool that enables optimal imaging of atomic clouds for a wide range of optical depths. In contrast to standard absorption imaging, the technique can be minimally-destructive and can be used to obtain multiple successive images of the same sample. The technique involves transferring a small fraction of the sample from an initial internal atomic state to an auxiliary state and subsequently imaging that fraction absorptively on a cycling transition. The atoms remaining in the initial state are essentially unaffected. We demonstrate the technique, discuss its applicability, and compare its performance as a minimally-destructive technique to that of phase-contrast imaging.
10 pages, 5 figures, submitted to Review of Scientific Instruments
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