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. 2015 Mar 19;6:6558. doi: 10.1038/ncomms7558

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(a) Scatter plot of the Δx as a function of . (b) Δx as a function of , with a black line showing a running average of the data. The red circles are values obtained from FDTD calculations.

Inline graphic — (a) Scatter plot of the Δx as a function of . (b) Δx as a function of , with a black line showing a running average of the data. The red circles are values obtained from FDTD calculations.