Figure 4 | Scientific Reports

Figure 4

From: Negative index metamaterial through multi-wave interactions: numerical proof of the concept of low-frequency Lamb-wave multiplexing

Figure 4

(a) Normalized transmission coefficients for the three simulations (blue, red, black) that create three different leakages. (b) Band structure of the created waveguides (blue, red, black circles). The color scale in (b) depicts the wave polarization through the u/v ratio (i.e., tangential vs. normal components), computed from the spatial Fourier transform.

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