Raman spectroscopy using a continuous beam from a 2D MOT

Aaron Meldrum; Michael Manicchia; Jon P. Davis; Frank A. Narducci

doi:10.1117/12.2299225

22 February 2018 Raman spectroscopy using a continuous beam from a 2D MOT

Aaron Meldrum, Michael Manicchia, Jon P. Davis, Frank A. Narducci

Proceedings Volume 10548, Steep Dispersion Engineering and Opto-Atomic Precision Metrology XI; 105481Y (2018) https://doi.org/10.1117/12.2299225
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

Atom interferometers consist of light pulses designed to create coherent superpositions of atomic states (“π/2” or “beam splitting” pulses) and that coherently interchange states (“π” or “mirror” pulses). In this article, we investigate the effects of imperfect pulses for a geometry specific to our apparatus. Atoms emerge from a 2-dimensional magneto-optical trap (2D MOT) in a continuous beam and cross continuous laser beams that drive stimulated Raman transitions. We use the atoms’ transit time through the laser field as the “pulse” time. We describe the impact of various effects on the contrast of the Rabi cycling, specifically the longitudinal velocity spread, the laser beam diameter and the spacing between the laser beams.

Citation Download Citation

Aaron Meldrum, Michael Manicchia, Jon P. Davis, and Frank A. Narducci "Raman spectroscopy using a continuous beam from a 2D MOT", Proc. SPIE 10548, Steep Dispersion Engineering and Opto-Atomic Precision Metrology XI, 105481Y (22 February 2018); https://doi.org/10.1117/12.2299225

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