Endoscopic imaging of quantum gases through a fiber bundle

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Colleges, School and Institutes


We use a coherent fiber bundle to demonstrate the endoscopic absorption imaging of quantum gases. We show that the fiber bundle introduces spurious noise in the picture mainly due to the strong core-to-core coupling. By direct comparison with free-space pictures, we observe that there is a maximum column density that can be reliably measured using our fiber bundle, and we derive a simple criterion to estimate it. We demonstrate that taking care of not exceeding such maximum, we can retrieve exact quantitative information about the atomic system, making this technique appealing for systems requiring isolation form the environment.


Original languageEnglish
Pages (from-to)19701-19710
Number of pages10
JournalOptics Express
Issue number17
Publication statusPublished - 21 Aug 2017