Laser Spectroscopy on Forbidden Transitions in Trapped Highly Charged Ar13+ Ions

Details Laser Spectroscopy on Forbidden Transitions in Trapped Highly Charged Ar13+ Ions Laser Spectroscopy on Forbidden Transitions in Trapped Highly Charged Ar13+ Ions

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011phrvl.107n3002m&link_type=abstract

Physical Review Letters, vol. 107, Issue 14, id. 143002

Physics

1

Fine And Hyperfine Structure, Visible And Ultraviolet Spectra, Zeeman And Stark Effects, Atomic Processes And Interactions

Scientific paper

We demonstrate resonant fluorescence laser spectroscopy in highly charged ions (HCI) stored in an electron beam ion trap by investigating the dipole-forbidden 1s22s22p P3/22-P1/22 transition in boronlike Ar13+ ions. Forced evaporative cooling yielded a high resolving power, resulting in an accurate wavelength determination to λ=441.25568(26)nm. By applying stronger cooling and two-photon excitation, new optical frequency standards based upon ultrastable transitions in such HCI could be realized in the future, e.g., for the search of time variations of the fine-structure constant.

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