Precision control of magneto-optically cooled rubidium atoms

S. Nic Chormaic; A. Yarovitskiy; B. Shortt; K. Deasy; M. Morrissey

doi:10.1117/12.605038

3 June 2005 Precision control of magneto-optically cooled rubidium atoms (Invited Paper)

S. Nic Chormaic, A. Yarovitskiy, B. Shortt, K. Deasy, M. Morrissey

Proceedings Volume 5826, Opto-Ireland 2005: Optical Sensing and Spectroscopy; (2005) https://doi.org/10.1117/12.605038
Event: OPTO-Ireland, 2005, Dublin, Ireland

Abstract

Research interest in designing sources of cold atoms has significantly increased during the past ten years with the development of suitable laser sources for magneto-optical trapping and the further mastering of evaporative cooling in order to achieve Bose-Einstein condensation. The magneto-optical trap is now viewed as a standard research facility worldwide and has opened up many new exciting research directions in atomic physics. One area of interest is that of combining spherical microcavities with cold atomic sources in order to achieve efficient photon exchange between the cavity and atom for further understandings of cavity quantum electrodynamics. This could eventually lead to atom entanglement via photon exchange which would have implications for quantum logic design. However, initial attempts to achieve such interactions have been hindered by inadequate control and manipulation of the cold atom source. Here, we present work on designing and building an ultra-stable source of magneto-optically cooled rubidium atoms with a temperature in the tens of microKelvin range. We discuss the different cooling mechanisms involved in the process and present a suitable experimental arrangement including details on the ultra-high vacuum chamber, the laser systems being used and the source of rubidium vapour. Finally, we discuss some future direction for the research including the diffraction of atoms from gratings and micron-sized objects and the parameter control of the cloud of atoms.

Citation Download Citation

S. Nic Chormaic, A. Yarovitskiy, B. Shortt, K. Deasy, and M. Morrissey "Precision control of magneto-optically cooled rubidium atoms (Invited Paper)", Proc. SPIE 5826, Opto-Ireland 2005: Optical Sensing and Spectroscopy, (3 June 2005); https://doi.org/10.1117/12.605038

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