Fig. 3
From: Blackbody radiation shift assessment for a lutetium ion clock
Measured lights shifts. For the |1S0, F = 7, m F = 0〉 ↔ |3D1, 7, 0〉 (green points), |1S0, 7, 0〉 ↔ |3D2, 9, 0〉 (blue points) and |3D1, 7, 0〉 ↔ |3D1, 6, 0〉 (orange points) transitions, the light shifts are measured as a function of incident power on the ion. Purple points are derived from the green data set corrected for residual tensor shift (see text). Error bars are the rms sum of contributions from the statistical servo error and 1.5% optical power instability. Solid lines are single parameter linear fits obtained by χ2 minimization
