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. 2020 Jan 28;10:1293. doi: 10.1038/s41598-020-57538-1

Figure 9.

Figure 9

Vertical plasmonic MZI with D = 1000 nm, T = 2000 nm, hHIL = 320 nm, w1 = 2100 nm, w2 = 1800 nm, Pgr = 918.4 nm and hgr = 450 nm. (a) Transmission spectrum at different medium indices at L = 250 µm. (b) Output Intensity Fraction around λ = 4.6 µm versus air medium refractive index change (Δnmed) at L = 250 µm. (c) Intensity interrogation FOMI versus MZI length around λ = 4.6 µm.