Ultrastable CO2laser trapping of lithium fermions

K. M. O’hara; S. R. Granade; M. E. Gehm; T. A. Savard; S. Bali; C. Freed; J. E. Thomas

doi:10.1103/PhysRevLett.82.4204

Ultrastable CO₂laser trapping of lithium fermions

K. M. O’hara, S. R. Granade, M. E. Gehm, T. A. Savard, S. Bali, C. Freed, J. E. Thomas

Physics

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

105 Scopus citations

Abstract

We demonstrate an ultrastable CO₂laser trap that provides tight confinement of neutral atoms with negligible optical scattering and minimal laser-noise-induced heating. Using this method, fermionic⁶Li atoms are stored in a 0.4 mK deep well with a 1/e trap lifetime of 300 sec, consistent with a background pressure of 10^-11Torr. To our knowledge, this is the longest storage time ever achieved with an all-optical trap, comparable to the best reported magnetic traps.

Original language	English (US)
Pages (from-to)	4204-4207
Number of pages	4
Journal	Physical review letters
Volume	82
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevLett.82.4204
State	Published - 1999

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.82.4204

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title = "Ultrastable CO2laser trapping of lithium fermions",

abstract = "We demonstrate an ultrastable CO2laser trap that provides tight confinement of neutral atoms with negligible optical scattering and minimal laser-noise-induced heating. Using this method, fermionic6Li atoms are stored in a 0.4 mK deep well with a 1/e trap lifetime of 300 sec, consistent with a background pressure of 10-11Torr. To our knowledge, this is the longest storage time ever achieved with an all-optical trap, comparable to the best reported magnetic traps.",

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AU - O’hara, K. M.

AU - Granade, S. R.

AU - Gehm, M. E.

AU - Savard, T. A.

AU - Bali, S.

AU - Freed, C.

AU - Thomas, J. E.

PY - 1999

Y1 - 1999

N2 - We demonstrate an ultrastable CO2laser trap that provides tight confinement of neutral atoms with negligible optical scattering and minimal laser-noise-induced heating. Using this method, fermionic6Li atoms are stored in a 0.4 mK deep well with a 1/e trap lifetime of 300 sec, consistent with a background pressure of 10-11Torr. To our knowledge, this is the longest storage time ever achieved with an all-optical trap, comparable to the best reported magnetic traps.

AB - We demonstrate an ultrastable CO2laser trap that provides tight confinement of neutral atoms with negligible optical scattering and minimal laser-noise-induced heating. Using this method, fermionic6Li atoms are stored in a 0.4 mK deep well with a 1/e trap lifetime of 300 sec, consistent with a background pressure of 10-11Torr. To our knowledge, this is the longest storage time ever achieved with an all-optical trap, comparable to the best reported magnetic traps.

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JO - Physical Review Letters

JF - Physical Review Letters

IS - 21

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Ultrastable CO₂laser trapping of lithium fermions

Abstract

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