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Efficient Collection of ²²¹Fr into a Vapor Cell Magneto-optical Trap

Z. -T. Lu

JILA, Joint Institute for Laboratory Astrophysics, University of Colorado, 440 UCB, Boulder, CO 80309-0440, USA

National Institute of Standards and Technology, 100 Bureau Drive, Stop 1070, Gaithersburg, MD 20899-1070, USA

Physics Department, University of Colorado, Boulder, Colorado 80309-0440, USA

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K. L. Corwin

JILA, Joint Institute for Laboratory Astrophysics, University of Colorado, 440 UCB, Boulder, CO 80309-0440, USA

National Institute of Standards and Technology, 100 Bureau Drive, Stop 1070, Gaithersburg, MD 20899-1070, USA

Physics Department, University of Colorado, Boulder, Colorado 80309-0440, USA

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K. R. Vogel

JILA, Joint Institute for Laboratory Astrophysics, University of Colorado, 440 UCB, Boulder, CO 80309-0440, USA

National Institute of Standards and Technology, 100 Bureau Drive, Stop 1070, Gaithersburg, MD 20899-1070, USA

Physics Department, University of Colorado, Boulder, Colorado 80309-0440, USA

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C. E. Wieman

JILA, Joint Institute for Laboratory Astrophysics, University of Colorado, 440 UCB, Boulder, CO 80309-0440, USA

National Institute of Standards and Technology, 100 Bureau Drive, Stop 1070, Gaithersburg, MD 20899-1070, USA

Physics Department, University of Colorado, Boulder, Colorado 80309-0440, USA

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T. P. Dinneen

Lawrence Berkeley National Laboratory, University of California, Mail Stop 71-259, Berkeley, California 94720, USA

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J. Maddi

Lawrence Berkeley National Laboratory, University of California, Mail Stop 71-259, Berkeley, California 94720, USA

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Harvey Could

Lawrence Berkeley National Laboratory, University of California, Mail Stop 71-259, Berkeley, California 94720, USA

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https://doi.org/10.1142/9789812813787_0058Cited by:0 (Source: Crossref)

Abstract:

We have efficiently loaded a vapor cell magneto-optical trap from an orthotropic source of ²²¹Fr with a trapping efficiency of 56(10)%. A novel detection scheme allowed us to measure 900 trapped atoms with a signal to noise ratio of ~60 in 1 sec. We have measured the energies and the hyperfine constants of the 7²P_1/2 and 7²P_3/2 states. [S003 1-9007(97)03811-8]

PACS: 32.80.Pj, 32.10.Fn

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Efficient Collection of 221Fr into a Vapor Cell Magneto-optical Trap

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Efficient Collection of ²²¹Fr into a Vapor Cell Magneto-optical Trap