A Simple Optical Model for the Swelling Evaluation in Polymer Nanocomposites

Figure 3

Simulated reflectance vs swelling for a 866 nm thick layer taken at the five inflection point wavelenght: (a) negative inflection point (IP) at 445 nm; (b) positive IP at 480 nm; (c) negative IP at 540 nm; (d) positive IP at 590 nm