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. Author manuscript; available in PMC: 2024 Oct 4.
Published in final edited form as: Phys Rev A (Coll Park). 2024 Aug 1;110(2):023501. doi: 10.1103/PhysRevA.110.023501

FIG. 3.

FIG. 3.

(a) For the low electric-field value of 5 kV/m, the Z scan (black, solid) as calculated with the present method is compared to (red, dashed) the analytic result of the Z-scan method, Eq. (3); (b) the Z-scan curves are calculated for higher electric fields, 25–100 kV/m, into the saturated regime; (c) the peak positions and magnitudes from part (b) are plotted along with the analytic and numerically extrapolated limit; (d) similar to (c) for the valley positions and magnitudes.