Compact Single-Layer mm-Wave Planar Antenna with Suppressed Surface-Wave Excitation
(2026) IEEE Transactions on Antennas and Propagation — Vol. 0, p. 1 (2026)
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- Authors
Delait, Louis 
Craeye, Christophe Ma, Shiqi Lederer, Dimitri
- Abstract
- This paper introduces an analytical design rule for reducing the excitation of the dominant TM₀ surface-wave mode by a circular electric-current ring above a grounded multilayer substrate. The cancellation condition is (J_1(\beta_{\mathrm{TM0}}R)=0), where (\beta_{\mathrm{TM0}}) is the propagation constant of the TM₀ mode and (R) is the ring radius. The first positive root gives (R=3.8317/\beta_{\mathrm{TM0}}). The paper develops a practical single-metal-layer antenna using series capacitive loading to approximate the required current distribution and validates the approach using simulations and W-band measurements on silicon and quartz substrates.
- Affiliations
Citations
Delait, L., Craeye, C., Tian, Z., Ma, S., Rennings, A., Raskin, J.-P., & Lederer, D. (2026). Compact Single-Layer mm-Wave Planar Antenna with Suppressed Surface-Wave Excitation. IEEE Transactions on Antennas and Propagation, 0, 1. https://doi.org/10.1109/tap.2026.3732184 (Original work published 2026)