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Journal Article Waveguide Probe with Size-Reduced Aperture using Split-Ring Resonator Array for Near-Field Measurements
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Authors
박욱기, Oh Soon-Soo, 강석엽, Patrick Roblin, 박효달
Issue Date
200905
Source
Electronics Letters, v.45 no.6, pp.1-2
ISSN
0013-5194
Publisher
IET
DOI
https://dx.doi.org/10.1049/el.2009.0210
Project Code
09ZR1100, Development of Antenna Measurement System Technology, Oh Soon-Soo
Abstract
A waveguide probe with size-reduced aperture for near-field measurements is proposed. The open-ended waveguide loads the split ring resonator array. The low return loss, high efficiency, and length extension have been achieved by optimising the ring arrangement as well as adopting a double-ridged waveguide and inserting a dielectric material. The proposed probe produces 70 aperture reduction in comparison to conventionally designed probes. The return loss, radiation pattern and gain from the simulation and measurement show good results. © The Institution of Engineering and Technology 2009.
KSP Keywords
Dielectric materials, Open-ended waveguide, Radiation Pattern, Return loss(RL), Ridged waveguide, Simulation and measurement, Waveguide loads, high efficiency, low return loss, near-field measurements, resonator array