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New publication out in Journal of Modern Optics


Our recent work, in collaboration with researchers of the University of the Basque Country, has been published in a special issue in honor of Prof. Danny Segal (Imperial College London). In this paper, we report the driving and detection of the axial motional modes of laser-cooled 40Ca+ ions through their fluorescence profiles. We have evaluated and compared the sensitivity of a single ion and a two-ion crystal. This evaluation paves the way to the implementation of the method in Penning trap mass spectrometry.

Motional studies of one and two laser-cooled trapped ions for electric-field sensing applications

F. Domínguez, M. J. Gutiérrez, I. Arrazola, J. Berrocal, J. M. Cornejo, J. J. Del Pozo, R. A. Rica, S. Schmidt, E. Solano & D. Rodríguez, J. Mod. Opt. 65, 613-621 (2018).