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International Journal of Antennas and Propagation
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International Journal of Antennas and Propagation
/
2018
/
Article
/
Tab 1
/
Research Article
Theoretical and Experimental Comparison Results of Dual-Channel 3D Quasi-Optical Network System between Frequency Selective Surface and Wire Grid Polarizer
Table 1
The near-field measurement data of 183 GHz channel.
Filter
Cross-polarization level
Beam radius (
ω
) at D6 = 160 mm
Measurement consistency
Simulation
Measurement
Simulation
Measurement
Theoretical value
η
s
η
v
FSS
−22.05 dB
−18.33 dB
19.295 mm = 11.769
λ
18.765 mm = 11.447
λ
18.152 mm = 11.07
λ
98.9749%
97.0155%
Polarizer
−21.97 dB
−18.82 dB
18.715 mm = 11.416
λ
18.675 mm = 11.391
λ
98.7954%
97.9952%
Copper plate
−21.96 dB
−18.07 dB
18.899 mm = 11.528
λ
19.060 mm = 11.627
λ
99.0955%
97.5476%
Aluminum plate
−21.96 dB
−17.76 dB
19.095 mm = 11.648
λ
18.750 mm = 11.438
λ
100%
100%