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

doi:10.1016/S0030-4018(02)02130-2

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

^*Corresponding author for this work

Physics

University of St Andrews

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

41 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 language	English
Pages (from-to)	247-254
Number of pages	8
Journal	Optics Communications
Volume	214
Issue number	1-6
DOIs	https://doi.org/10.1016/S0030-4018(02)02130-2
Publication status	Published - 15 Dec 2002

Bibliographical note

Funding Information:
We acknowledge the help of F. Catoire and A. Goodsell with parts of the experiment. We thank the UK Engineering and Physical Sciences Research Council and the Leverhulme Trust for supporting the work.

Keywords

Atomic guiding
Blue-detuned
Cold atomic beam
Laguerre-Gaussian beam

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10.1016/S0030-4018(02)02130-2

Cite this

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title = "Guiding a cold atomic beam along a co-propagating and oblique hollow light guide",

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.",

keywords = "Atomic guiding, Blue-detuned, Cold atomic beam, Laguerre-Gaussian beam",

author = "Rhodes, {D. P.} and Lancaster, {G. P.T.} and J. Livesey and D. McGloin and J. Arlt and K. Dholakia",

note = "Funding Information: We acknowledge the help of F. Catoire and A. Goodsell with parts of the experiment. We thank the UK Engineering and Physical Sciences Research Council and the Leverhulme Trust for supporting the work.",

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doi = "10.1016/S0030-4018(02)02130-2",

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T1 - Guiding a cold atomic beam along a co-propagating and oblique hollow light guide

AU - Rhodes, D. P.

AU - Lancaster, G. P.T.

AU - Livesey, J.

AU - McGloin, D.

AU - Arlt, J.

AU - Dholakia, K.

N1 - Funding Information: We acknowledge the help of F. Catoire and A. Goodsell with parts of the experiment. We thank the UK Engineering and Physical Sciences Research Council and the Leverhulme Trust for supporting the work.

PY - 2002/12/15

Y1 - 2002/12/15

N2 - 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.

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.

KW - Atomic guiding

KW - Blue-detuned

KW - Cold atomic beam

KW - Laguerre-Gaussian beam

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U2 - 10.1016/S0030-4018(02)02130-2

DO - 10.1016/S0030-4018(02)02130-2

M3 - Article

AN - SCOPUS:0037448209

SN - 0030-4018

VL - 214

SP - 247

EP - 254

JO - Optics Communications

JF - Optics Communications

IS - 1-6

ER -

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

Abstract

Bibliographical note

Keywords

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