Microfluidic Biosensor Based on Microwave Substrate-Integrated Waveguide Cavity Resonator

Figure 2

(a) Top view of the SIW cavity resonator (without a hole in the center). (b) Electric field magnitude distribution at a resonance frequency of 12.46 GHz; the highest energy is concentrated at the center of SIW cavity. (c) Vertical electric field vector distribution in the SIW cavity.