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. Author manuscript; available in PMC: 2022 Nov 3.
Published in final edited form as: J Innov Opt Health Sci. 2020 Jan;13(1):1930013. doi: 10.1142/s1793545819300131

Fig. 7.

Fig. 7.

Dual-slope (DS) case based on two single slopes (SS1 and SS2) that feature source-detector distance of 20, 30 mm (ρSS1) and 30, 40 mm (ρSS2), respectively. (a) Source-detector arrangement in the x-y plane at z = 0 (Quadrilateral: QDL). 3D rendition of the regions of sensitivity for (b) intensity and (c) phase. (d) Longitudinal x-z plane at y = 0 (shaded), and cross sections over this plane of the regions of sensitivity for (e) intensity and (f) phase. (g) Transverse y-z plane at x = 0 (shaded), and cross sections over this plane of the regions of sensitivity for (h) intensity and (i) phase. All regions of sensitivity are bounded by the surface or line at a signal-to-noise ratio (SNR) of 1. SDI: single-distance intensity; SDϕ: single-distance phase.