Abstract
A microstrip-based leaky-wave antenna for two-sided frequency beam scanning and broadside radiation is presented. In particular, the optimized "bull-eye" ring structure is designed to support leakage of the fundamental TM mode of the guiding structure in a regime without any other leaky- or surface-wave modes. Also by following suggested design rules, to achieve good isolation between the printed rings and the TM source, a beam scan angle range of 121 degrees can be realized over an operating bandwidth of more than 40% with antenna mismatch losses of less than 0.14 dB. Supporting numerical calculations are also in agreement with the simulations and antenna measurements.
| Original language | English |
|---|---|
| Pages (from-to) | 665-669 |
| Number of pages | 5 |
| Journal | IEEE Antennas and Wireless Propagation Letters |
| Volume | 12 |
| DOIs | |
| Publication status | Published - 2013 |
Keywords
- Leaky waves (LWs)
- leaky-wave antenna (LWA)
- surface waves (SWs)
- BROADSIDE RADIATION
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