Journal of Sensors / 2015 / Article / Fig 5

Research Article

Self-Referenced Plasmon Waveguide Resonance Sensor Using Different Waveguide Modes

Figure 5

(a) The electric field strengths under resonance condition are plotted against the distance from the film/water interface with the silica film thickness of 1000 nm, 1100 nm, and 1200 nm in TM1 waveguide mode and (b) in TM2 waveguide mode. The gold film has the thickness of 55 nm. The refractive indices of the prism, gold, silica, and water are 1.515, 0.133 + 3.654, 1.46, and 1.33, respectively. The incident wavelength is 632.8 nm.

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