Atom guiding along high order Laguerre-Gaussian light beams formed by spatial light modulation

D. P. Rhodes; D. M. Gherardi; J. Livesey; D. McGloin; H. Melville; T. Freegarde; K. Dholakia

doi:10.1080/09500340500429960

Atom guiding along high order Laguerre-Gaussian light beams formed by spatial light modulation

D. P. Rhodes, D. M. Gherardi, J. Livesey, D. McGloin, H. Melville, T. Freegarde^*, K. Dholakia

^*Corresponding author for this work

Physics

Research output: Contribution to journal › Article › peer-review

55 Citations (Scopus)

Abstract

A spatial light modulator (SLM) has been used to create high quality Laguerre-Gaussian (LG) light beams, which have been used to study the guiding of cold rubidium atoms. The SLM allows real-time variation of the hollow guiding beam and permits direct comparison of the guided atom fluxes for different LG modes with minimal adjustment of the other optical components. It is demonstrated that, by increasing the azimuthal index l of the Laguerre-Gaussian beam, the radiation pressure pushing the trapped atoms may be reduced while maintaining the same guided flux. This is the first comparative study of hollow beam atom guiding, and further demonstrates the versatility of the SLM for studies in atom optics.

Original language	English
Pages (from-to)	547-556
Number of pages	10
Journal	Journal of Modern Optics
Volume	53
Issue number	4
DOIs	https://doi.org/10.1080/09500340500429960
Publication status	Published - 10 Mar 2006

Bibliographical note

Funding Information:
Funding from the UK Engineering and Physical Sciences Research Council is gratefully acknowledged. DM acknowledges support from the Royal Society.

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abstract = "A spatial light modulator (SLM) has been used to create high quality Laguerre-Gaussian (LG) light beams, which have been used to study the guiding of cold rubidium atoms. The SLM allows real-time variation of the hollow guiding beam and permits direct comparison of the guided atom fluxes for different LG modes with minimal adjustment of the other optical components. It is demonstrated that, by increasing the azimuthal index l of the Laguerre-Gaussian beam, the radiation pressure pushing the trapped atoms may be reduced while maintaining the same guided flux. This is the first comparative study of hollow beam atom guiding, and further demonstrates the versatility of the SLM for studies in atom optics.",

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AU - Gherardi, D. M.

AU - Livesey, J.

AU - McGloin, D.

AU - Melville, H.

AU - Freegarde, T.

AU - Dholakia, K.

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Atom guiding along high order Laguerre-Gaussian light beams formed by spatial light modulation

Abstract

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