A Simplified and Cost-Effective Fiber Laser Fabrication Method for Designing Wideband Multi-Layer Fabry-Perot/Leaky-Wave Antenna with Complementary PRS
Year: 2025
Type: conference-paper
Abstract: In this article, we present a simplified, fast, cost-effective, and precise fabrication method for designing multi-layer leaky-wave/Fabry-Perot antennas (LWAs/FPAs).Traditionally, these antennas are fabricated using existing techniques such as lithography, LPKF laser, and 3D printing.The proposed antenna design features a pair of complementary partially reflective surfaces (PRSs) printed on either side of a low-cost plastic substrate.This substrate is positioned over an air cavity backed by a metallic ground plane, which includes a slot to accommodate waveguide feeding.The proposed FPA achieves a high gain of approximately 14 dBi across a wide operating frequency range (20-21.86GHz), with excellent impedance matching characterized by an S 11 level below -10 dB.The antenna is fabricated using a fiber laser fabrication method, which is a simple, efficient, and fast process, taking less than a minute to create the periodic patterns for the desired samples.Finally, its simulation results are validated through multiple measurements conducted on various samples.
Language: English
Topic: Antenna Design and Analysis
Subfield: Aerospace Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: gold
OpenAlex ID: W4413071738