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. Author manuscript; available in PMC: 2010 Nov 11.
Published in final edited form as: J Biomed Opt. 2006 Mar–Apr;11(2):021006. doi: 10.1117/1.2186046

Fig. 3.

Fig. 3

The figure shows τ(ρ) plotted versus distance ρ from the source entry point for two NCFAs with different cap thicknesses. The distance ρ′ at which τ(ρ) drops to 65% of its maximum value is shown, which is related to the cap thickness.