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. 2015 Mar 24;10(3):e0120820. doi: 10.1371/journal.pone.0120820

Fig 8. Simulation of the impact of the third term of the Svensson equation (7) for a typical dataset from this study for different values of r.

Fig 8

For easier interpretation, we have transformed ΔS into fringes, using our laser wavelength of 660 nm. The plot shows that in the center of the boundary, at a refractive index gradient of 800 fringes/cm, a contribution of 1 fringe to a total signal of approximately 80 fringes is attained only for a vast error in r. The inset shows a comparison for 1-cm-cells at the same gradient with a much larger impact and clearly visible Wiener skewing of the total signal.