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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 5 — Mar. 1, 2013
  • pp: 637–639

Spectroscopy of a narrow-line optical pumping transition in atomic dysprosium

M. Schmitt, E. A. L. Henn, J. Billy, H. Kadau, T. Maier, A. Griesmaier, and T. Pfau  »View Author Affiliations

Optics Letters, Vol. 38, Issue 5, pp. 637-639 (2013)

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We present measurements of the hyperfine coefficients and isotope shifts of the Dy I 683.731 nm transition, using saturated absorption spectroscopy on an atomic beam. A King Plot is drawn resulting in an updated value for the specific mass shift δν684,sms164162=534±17MHz. Using fluorescence spectroscopy, we measure the excited state lifetime τ684=1.68(5)μs, yielding a linewidth of γ684=95±3kHz. We give an upper limit to the branching ratio between the two decay channels from the excited state showing that this transition is usable for optical pumping into a dark state and demagnetization cooling.

© 2013 Optical Society of America

OCIS Codes
(020.2930) Atomic and molecular physics : Hyperfine structure
(020.3260) Atomic and molecular physics : Isotope shifts
(300.0300) Spectroscopy : Spectroscopy
(300.2530) Spectroscopy : Fluorescence, laser-induced
(300.3700) Spectroscopy : Linewidth
(300.6460) Spectroscopy : Spectroscopy, saturation

ToC Category:

Original Manuscript: December 26, 2012
Revised Manuscript: January 16, 2013
Manuscript Accepted: January 19, 2013
Published: February 21, 2013

M. Schmitt, E. A. L. Henn, J. Billy, H. Kadau, T. Maier, A. Griesmaier, and T. Pfau, "Spectroscopy of a narrow-line optical pumping transition in atomic dysprosium," Opt. Lett. 38, 637-639 (2013)

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