Abstract
An ultraminiaturized bandstop frequency-selective surface (FSS) utilizing two-dimensional (2-D) tapered meandering lines (TML) along with vertical vias is proposed. Full-wave simulations, equivalent circuit modeling, and analytical results are presented for the designed FSS. A prototype 2.5-D TML-FSS is fabricated, and its performance is measured in an anechoic chamber for various incident angles in both the transverse-electric (TE) and transverse-magnetic (TM) polarizations. Measured results are in agreement with the simulated ones, indicating the authenticity of the design process. Unit cell size of the proposed FSS is only 2.9% of the free-space wavelength at resonant frequency and has a fractional bandwidth of 20.9\%. Furthermore, the proposed design is modified to convoluted 2.5-D TML-FSS and interdigitated 2.5-D TML-FSS to give different unit cell sizes in terms of wavelength with different fractional bandwidths.
| Original language | English |
|---|---|
| Article number | 8917659 |
| Pages (from-to) | 163-167 |
| Number of pages | 5 |
| Journal | IEEE Antennas and Wireless Propagation Letters |
| Volume | 19 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 2020 |
Keywords
- 2.5-D FSS
- Convoluted frequency-selective surface (FSS)
- FSS
- interdigitated FSS
- ultraminiaturized FSS
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