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Long distance optical conveyor-belt transport of 133Cs and 87Rb atoms [Dataset] Open Access

We report on the transport of ultracold cesium and rubidium atoms over $37.2$\,cm in under $25$\,ms using an optical conveyor belt formed by two counter-propagating beams with a controllable frequency difference. By carefully selecting the waists and focus positions, we are able to use two static Gaussian beams for the transport, avoiding the need for a Bessel beam or vari-focus lenses. We characterize the transport efficiency for both species, including a comparison of different transport trajectories, gaining insight into the loss mechanisms and finding the minimum jerk trajectory to be optimum. Using the optimized parameters, we are able to transport up to $7 \times 10^6$ cesium or rubidium atoms with an efficiency up to $75$\,\%. To demonstrate the viability of our transport scheme for experiments employing quantum gas microscopy, we produce Bose-Einstein condensates of either species after transport and present measurements of the simultaneous transport of both species.

Descriptions

Resource type

Dataset

Contributors

Creator: Matthies, Alex J. ¹
Contact person: Matthies, Alex J. ¹
Data collector: Matthies, Alex J. ¹
Data collector: Mortlock, Jonathan M. ¹
Data collector: McArd, Lewis A. ¹
Data collector: Raghuram, Adarsh P. ¹
Data collector: Innes, Andrew D. ¹
Data collector: Gregory, Philip D. ¹
Data collector: Bromley, Sarah L. ¹
Contact person: Cornish, Simon L. ¹
Editor: Cornish, Simon L. ¹

¹ Durham University

Funder

UK Engineering and Physical Sciences Research Council
UK Research and Innovation
Royal Society
Durham University

Research methods

Other description

Includes Python code, PDF and SVG figure files, and data in TXT and ASC files.

Keyword

Atomic Physics
Ultracold Physics
Caesium
Rubidium
Transport
Optical Transport

Subject

Physics

Location

Language

English

Cited in

Identifier

ark:/32150/r18g84mm301
doi:10.15128/r18g84mm301

Rights

Creative Commons Attribution 4.0 International (CC BY)

Publisher

Durham University

Date Created

File Details

Depositor

J.A. Matthies

Date Uploaded

23 July 2023, 09:07:57

Date Modified

25 July 2023, 10:07:46

Audit Status

Audits have not yet been run on this file.

Characterization

File format: zip (ZIP Format)

Mime type: application/zip

File size: 238802102

Last modified: 2023:07:25 10:34:10+01:00

Filename: data - long distance optical conveyor_belt transport of 133Cs and 87Rb atoms v2.zip

Original checksum: 36ee0863fc49ef47aec0fc5f2ef655a9