Magneto-optical trapping of chromium atoms

C. C. Bradley; J. J. McClelland; W. R. Anderson; R. J. Celotta

doi:10.1103/PhysRevA.61.053407

Magneto-optical trapping of chromium atoms

C. C. Bradley, J. J. McClelland, W. R. Anderson, R. J. Celotta

Physics

National Institute of Standards and Technology

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

Abstract

We have constructed a magneto-optical trap for chromium atoms. Using trapping light at 425 nm and two repumping lasers tuned to intercombination transitions, over [Formula Presented] atoms were trapped and average densities of over [Formula Presented] were obtained. Nonexponential loss of atoms is observed at high densities indicating inelastic collisions between trapped atoms. Over a range of trapping conditions, the density-dependent trap loss rate constant β is extracted from fluorescence decay curves and found to have values in the range of [Formula Presented] much larger than is observed in alkali-metal traps.

Original language	British English
Pages (from-to)	6
Number of pages	1
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	61
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevA.61.053407
State	Published - 2000

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10.1103/PhysRevA.61.053407

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abstract = "We have constructed a magneto-optical trap for chromium atoms. Using trapping light at 425 nm and two repumping lasers tuned to intercombination transitions, over [Formula Presented] atoms were trapped and average densities of over [Formula Presented] were obtained. Nonexponential loss of atoms is observed at high densities indicating inelastic collisions between trapped atoms. Over a range of trapping conditions, the density-dependent trap loss rate constant β is extracted from fluorescence decay curves and found to have values in the range of [Formula Presented] much larger than is observed in alkali-metal traps.",

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AU - Anderson, W. R.

AU - Celotta, R. J.

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N2 - We have constructed a magneto-optical trap for chromium atoms. Using trapping light at 425 nm and two repumping lasers tuned to intercombination transitions, over [Formula Presented] atoms were trapped and average densities of over [Formula Presented] were obtained. Nonexponential loss of atoms is observed at high densities indicating inelastic collisions between trapped atoms. Over a range of trapping conditions, the density-dependent trap loss rate constant β is extracted from fluorescence decay curves and found to have values in the range of [Formula Presented] much larger than is observed in alkali-metal traps.

AB - We have constructed a magneto-optical trap for chromium atoms. Using trapping light at 425 nm and two repumping lasers tuned to intercombination transitions, over [Formula Presented] atoms were trapped and average densities of over [Formula Presented] were obtained. Nonexponential loss of atoms is observed at high densities indicating inelastic collisions between trapped atoms. Over a range of trapping conditions, the density-dependent trap loss rate constant β is extracted from fluorescence decay curves and found to have values in the range of [Formula Presented] much larger than is observed in alkali-metal traps.

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JO - Physical Review A - Atomic, Molecular, and Optical Physics

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ER -

Magneto-optical trapping of chromium atoms

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