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. 2024 Mar 12;15(4):2308–2327. doi: 10.1364/BOE.518967

Fig. 6.

Fig. 6.

Reduced scattering coefficient versus concentration of added TiO2 for (a) PDMS molded circular phantoms and (b) 3D printed discs of Elastic 50A at 660 and 940 nm. Dashed horizontal lines represent target values for mimicking a finger [49].