Guiding a cold atomic beam along a co-propagating and oblique hollow light guide

D. P. Rhodes, G. P.T. Lancaster, J. Livesey, D. McGloin, J. Arlt, K. Dholakia

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

We experimentally study the guiding of a low velocity intense source (LVIS) of cold atoms along co-propagating and oblique blue-detuned Laguerre-Gaussian (LG) light beams. For a co-propagating guide we observe a flux enhancement of 120% and we study the effect of guide beam detuning and power. For an oblique LG guide we find few atoms coupled into the guide from the LVIS and primarily observe deflection and recirculation of the LVIS atoms rather than guiding. The guided flux is enhanced by use of an imaged obstruction allowing LVIS atoms to enter the oblique guide more easily. A physical model is presented to account for our observations and highlights important considerations for developing cold atom optic elements based on blue-detuned hollow light beams.

Original languageEnglish
Pages (from-to)247-254
Number of pages8
JournalOptics Communications
Volume214
Issue number1-6
DOIs
Publication statusPublished - 2003 Dec 15

Fingerprint

Atomic beams
atomic beams
low speed
hollow
Atoms
light beams
atoms
atom optics
Fluxes
deflection
Optics
augmentation

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Cite this

Rhodes, D. P. ; Lancaster, G. P.T. ; Livesey, J. ; McGloin, D. ; Arlt, J. ; Dholakia, K. / Guiding a cold atomic beam along a co-propagating and oblique hollow light guide. In: Optics Communications. 2003 ; Vol. 214, No. 1-6. pp. 247-254.
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Guiding a cold atomic beam along a co-propagating and oblique hollow light guide. / Rhodes, D. P.; Lancaster, G. P.T.; Livesey, J.; McGloin, D.; Arlt, J.; Dholakia, K.

In: Optics Communications, Vol. 214, No. 1-6, 15.12.2003, p. 247-254.

Research output: Contribution to journalArticle

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AU - Rhodes, D. P.

AU - Lancaster, G. P.T.

AU - Livesey, J.

AU - McGloin, D.

AU - Arlt, J.

AU - Dholakia, K.

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AB - We experimentally study the guiding of a low velocity intense source (LVIS) of cold atoms along co-propagating and oblique blue-detuned Laguerre-Gaussian (LG) light beams. For a co-propagating guide we observe a flux enhancement of 120% and we study the effect of guide beam detuning and power. For an oblique LG guide we find few atoms coupled into the guide from the LVIS and primarily observe deflection and recirculation of the LVIS atoms rather than guiding. The guided flux is enhanced by use of an imaged obstruction allowing LVIS atoms to enter the oblique guide more easily. A physical model is presented to account for our observations and highlights important considerations for developing cold atom optic elements based on blue-detuned hollow light beams.

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