Figure 5: Comparison of the transmission coefficient (S32) and the coupling coefficient (S42) between the two kinds of dual-TLs. | Scientific Reports

Figure 5: Comparison of the transmission coefficient (S32) and the coupling coefficient (S42) between the two kinds of dual-TLs.

From: Reduction of radiation loss at small-radius bend using spoof surface plasmon polariton transmission line

Figure 5

The inset photos are the prototypes of the dual curved microstrip lines (left) and the curved SPP plus microstrip TLs (right). Four ports are labeled and Port 2 is the input port. The separation between the inner and outer TL is 6.46 mm.

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