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Atom femto trap: experimental realization

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Abstract

In this work, we demonstrate the trapping of rubidium (Rb) atoms in a pulsed optical dipole trap formed by femtosecond laser radiation with a pulse duration as small as 70 fs. The atom localization in such trap strongly depends on the heating of the atoms caused by the momentum diffusion due to the dipole force fluctuations. The atom femto traps can be used for localization of atoms others than alkaline and alkaline earth atomic elements by conversation of pulsed laser radiation of visible or near infrared to UV spectral.

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Acknowledgements

We thank Victor Zadkov for helpful discussions. The reported study was funded by RFBR according to the research project N18-02-00429.

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Correspondence to Anton E. Afanasiev.

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Afanasiev, A.E., Meysterson, A.A., Mashko, A.M. et al. Atom femto trap: experimental realization. Appl. Phys. B 126, 26 (2020) doi:10.1007/s00340-020-7377-7

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