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. Author manuscript; available in PMC: 2017 Sep 22.
Published in final edited form as: Nature. 2017 Mar 22;543(7646):525–528. doi: 10.1038/nature21434

Extended Data Fig. 2.

Extended Data Fig. 2

Calibration of average Faraday rotation signal. We calibrate the rotation angle φ against input atom number N, measured via absorption imaging. Solid line, the fit curve φ = a0 + µ1N, with we obtain µ1 = (7.07 ± 0.04) × 10−8 and a0 = (3.9 ± 0.3) × 10−3. Error bars indicate ±1 s.e.m.