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Generation of atomic spin orientation with a linearly polarized beam in room-temperature alkali-metal vapor

Bevington, P.; Gartman, R.; Chalupczak, W. (2020) Generation of atomic spin orientation with a linearly polarized beam in room-temperature alkali-metal vapor. Physical Review A, 101 (1). 013436 ISSN 2469-9926

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Abstract

Traditionally, an atomic spin orientation is achieved by a transfer of angular momentum from the polarised light to the atoms. We demonstrate the mechanism of orientation generation in room-temperature caesium vapours that combines three elements: optical pumping, non-linear spin dynamics and spin-exchange collisions. Through the variation of the spin-exchange relaxation rate transition between aligned and oriented atomic sample is presented. The observation is performed by monitoring of the atomic radio-frequency spectra.

Item Type: Article
Subjects: Time and Frequency > Optical Frequency Standards and Metrology
Divisions: Time & Frequency
Identification number/DOI: 10.1103/PhysRevA.101.013436
Last Modified: 28 May 2020 09:46
URI: http://eprintspublications.npl.co.uk/id/eprint/8699

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