The Use of Frequency Selective Surfaces (FSSs) as Sensors Has Found Recent Success in the Structural Health Monitoring Realm. FSS Theory Assumes Infinite FSS Dimensions and Planewave Illumination. However, in Practice, an FSS Sensor is Finite, and the Illuminating Field Varies Across the Plane of the Sensor. as Such, it is of Interest to Reduce the Nonuniformity of the Incident Electromagnetic Energy Incident on the Sensor. to This End, This Work Explores the Modification of a Standard H-Plane Sectoral Horn through the Addition of a Ridge to Generate a Uniform Electric Field over a Specified Region of Interest. in Addition to This Modified Antenna, Standard Gain (Pyramidal) and H-Plane Sectoral Horns Were Also Considered for Comparison. the Results Show that Variation in the Electric Field Pattern is Reduced for the Modified Sectoral Horn but at the Cost of Matching Properties.
L. M. Wilcox et al., "Modified H-Plane Sectoral Horn for FSS Sensing Applications," IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), pp. 657 - 658, Institute of Electrical and Electronics Engineers, Jan 2023.
The definitive version is available at https://doi.org/10.1109/USNC-URSI52151.2023.10237746
Electrical and Computer Engineering
Keywords and Phrases
Electric Field Pattern; Frequency Selective Surfaces; H-Plane Sectoral Horn; Ridged Sectoral Horn
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Article - Conference proceedings
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01 Jan 2023