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. 2017 Apr 6;17(4):784. doi: 10.3390/s17040784

Figure 3.

Figure 3

(a) Transmission spectra of the MIM waveguides coupled with ring and rectangular cavities (red curve) by a rectangular cavity only (black curve); (b) contour profiles of the normalized Hz field distributions in the MIM waveguides coupled with ring and rectangular resonators with λ = 1010 nm (top) and λ = 1025 nm (bottom).