Novel High-Gain Circularly Polarized Lens Antenna Using Single-Layer Transmissive Metasurface
-
Yaqiang Zhuang
,
Guangming Wang
Abstract
A high-gain lens antenna employing single-layer focusing metasurface (MS) is proposed in this article. The single-layer element achieves a 360° transmission phase range with a transmission magnitude better than 0.9. And the focusing MS consists of 169 elements was designed by utilizing the technique of varying rotation angle to compensate the phase delay. Thus, a lens antenna is constructed by placing a circularly polarized (CP) patch antenna at the focal point of the MS. The fabricated lens antenna demonstrates a good performance of 4.6 % 3-dB axial ratio bandwidth and 6 % 1-dB gain bandwidth, respectively. Moreover, the maximum gain is 18.3 dBic at 15 GHz, which is enhanced by 11.4 dBic compared with the patch antenna. Due to the single-layer structure, this design has a low profile and easy fabrication process compared with the conventional designs, making it an attractive alternative to compact high-gain antenna.
Funding source: National Natural Science Foundation of China
Award Identifier / Grant number: 61372034
Funding statement: The authors would like to thank the National Natural Science Foundation of China for financial support (No. 61372034).
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Articles in the same Issue
- Frontmatter
- Compact Multi-band Power Dividers Based on Stub Loaded Stepped-Impedance Resonators with Defected Microstrip Structure (SL-SIR-DMS)
- Compact, Harmonic Suppressed Gysel Power Divider with Plain Structure
- Compact Diplexer with High Isolation and Wide Stopband Based on SIRs
- A Quasi-Elliptic Bandpass Filter-Integrated Single-Pole Double-Throw Switch
- Reflection Modeling Based Broadband Matching Network Design
- Radiation Bandwidth Improvement of Electromagnetic Band Gap Cavity Antenna
- Design of Ultra-Wideband Tapered Slot Antenna by Using Binomial Transformer with Corrugation
- A Compact Pentagonal Ring CPW-Fed Zeroth Order Resonating Antenna with Gain Enhancement
- Novel High-Gain Circularly Polarized Lens Antenna Using Single-Layer Transmissive Metasurface
- Eight-Element Antenna Array for LTE 3.4–3.8 GHz Mobile Handset Applications
- The Effect of Direct Lightning Shielding Rod on Lightning Electromagnetic Fields Aboveground
