AI Article Synopsis
- A new metallic layer using complementary split ring resonators (CSRR) is introduced to replicate surface plasmon polaritons.
- This design improves on existing methods, which often have issues like limited bandwidth and thickness constraints.
- The proposed CSRR-based surface is easy to manufacture using basic PCB techniques and is expected to perform well across a frequency range from GHz to THz.
Article Abstract
A complementary split ring resonator (CSRR)-based metallic layer is proposed as a route to mimic surface plasmon polaritons. A numerical analysis of the textured surface is carried out and compared to previous prominent topologies such as metal mesh, slit array, hole array, and Sievenpiper mushroom surfaces, which are studied as well from a transmission line perspective. These well-documented geometries suffer from a narrowband response, alongside, in most cases, metal thickness constraint (usually of the order of lambda/4) and non-subwavelength modal size as a result of the large dimensions of the unit cell (one dimensions is at least of the order of lambda/2). All of these limitations are overcome by the proposed CSRR-based surface. Besides, a planar waveguide is proposed as a proof of the potential of this CSRR-based metallic layer for spoof surface plasmon polariton guiding. Fundamental aspects aside, the structure under study is easy to manufacture by simple PCB techniques and it is expected to provide good performance within the frequency band from GHz to THz.
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| http://dx.doi.org/10.1364/OE.17.018184 | DOI Listing |
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Article Synopsis
- A new metallic layer using complementary split ring resonators (CSRR) is introduced to replicate surface plasmon polaritons.
- This design improves on existing methods, which often have issues like limited bandwidth and thickness constraints.
- The proposed CSRR-based surface is easy to manufacture using basic PCB techniques and is expected to perform well across a frequency range from GHz to THz.
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