期刊
IEEE TRANSACTIONS ON COMPONENTS PACKAGING AND MANUFACTURING TECHNOLOGY
卷 12, 期 12, 页码 1995-2001出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCPMT.2022.3223933
关键词
Coplanar waveguides; Resonators; Impedance; Q-factor; Propagation constant; Surface plasmon polaritons; Transmission lines; Coplanar waveguide (CPW); propagation constant manipulation; spoof surface plasmon polariton (SSPP)
This study investigates the partial integration of coplanar waveguide (CPW) with mu-strip transmission lines (TLs) and analyzes its impact on the propagation constant of the structure. By adding a specific phase to the conventional CPW, the performance and size of the structure are optimized. The modified structure is further studied as a unit cell for spoof surface plasmon polariton (SSPP).
Coplanar waveguide (CPW) is partially integrated with mu-strip TLs at critical areas with locally strong electromagnetic field confinement. The new integration is shown to impact the propagation constant of the structure.The impacts of the added mu-strip TL are theoretically discussed on a loaded CPW using the incident-reflected wave concept. It is mathematically shown that a specific phase is added to the phase of conventional CPWs by the proposed modification. The added phase is then used for physical size reduction and performance enhancement of the structure. Considering the propagation manipulation of the CPWs, the modified structure is researched as a unit cell for spoof surface plasmon polariton (SSPP).
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