International Journal of Antennas and Propagation / 2018 / Article / Tab 3 / Research Article
Theoretical and Experimental Comparison Results of Dual-Channel 3D Quasi-Optical Network System between Frequency Selective Surface and Wire Grid Polarizer Table 3 The far-field results of 183 GHz channel.
Filter Angle (degree) Cross-polarization level First side-lobe of copolarization amplitude Simulation Near-to-far Ideal QZ integral Simulation Near-to-far Ideal QZ integral FSS Phi = 0 −22.26 dB −18.71 dB −22.83 dB −55.27 dB −32.48 dB −33.56 dB Phi = 90 −21.87 dB −22.47 dB −20.58 dB −45.75 dB −34.85 dB −34.32 dB Polarizer Phi = 0 −25.09 dB −19.74 dB −29.53 dB −56.75 dB −32.38 dB −32.71 dB Phi = 90 −22.09 dB −30.03 dB −21.34 dB −55.42 dB −34.67 dB −32.36 dB Copper plate Phi = 0 −21.89 dB −17.96 dB −22.32 dB −60.19 dB −40.37 dB −41.8 dB Phi = 90 −22.12 dB −20.57 dB −21.47 dB −50.19 dB −40.15 dB −35.2 dB Aluminum plate Phi = 0 −21.89 dB −18.39 dB −22.98 dB −62.11 dB −35.94 dB −30.88 dB Phi = 90 −21.93 dB −21.87 dB −22.07 dB −51.65 dB −36.76 dB −36.84 dB