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. Author manuscript; available in PMC: 2016 Feb 4.
Published in final edited form as: J Opt Soc Am A Opt Image Sci Vis. 2015 Dec 1;32(12):2286–2306. doi: 10.1364/JOSAA.32.002286

Fig. 7.

Fig. 7

Optical-space reflection profile expressed in Eq. (28), corresponding to the refractive index model in Eq. (26) and plotted in Fig. 4, for increasing values of the shape parameter.