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. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: IEEE J Sel Top Quantum Electron. 2016 Dec 14;23(2):6900610. doi: 10.1109/JSTQE.2016.2639824

Figure 2.

Figure 2

Simulated images of 70 nm (top), 100 nm (middle) and 150 nm (bottom) diameter polystyrene (n=1.60) nanoparticles resting on a 30nm SiO2 IRIS substrate, at three different focus positions with respect to the water-film interface. NA=0.9, water immersion, λ = 525 nm.)