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Precision measurement of the 2S1/2(2 sps-1/2 sbs) - 2D5/2(2 sps-5/2 sbs) 411 nm transition in laser-cooled 172Yb+ (172 & + in sps) ions.

Christopher S. Edwards, Patrick Robert Gill, H. Arthur Klein, Andrew P. Levick, W. R. C. Rowley

Published Jan 1, 1994• 0 citations
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The 4f13 6s2 2F7/2–4f14 5d 2D5/2 3·43 μm infrared transition in 172Yb+ has been driven for the first time and measured to be 87 360 087(4) MHz. The frequency was determined by probing a cloud of 172Yb+ ions held in a radiofrequency trap in the presence of helium buffer gas. The infrared radiation was generated by difference frequency mixing in LiNbO3. The frequency measurement is part of a programme to locate the 4f14 6s 2S1/2–4f13 6s2 2F7/2 467 nm ultra-narrow transition in laser-cooled Yb+.