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A highly stabilized technique for the amplitude and phase measurements of electric fields in the reactive near field of a sophisticated high-frequency antenna array set is presented. Amplitude and phase instability problems, which often occur in high-frequency electromagnetic metrology methods based on all-dielectric electrooptic sensing, have been overcome by real-time calibration of the system drift...
A photonic-assisted reactive near-field scanner for planar antennas is presented. We, KRISS (Korea Research Institute of Standards and Science), have recently developed electro-optic sensors as all-dielectric electric field probes and utilized them for field imaging of antenna patterns. The performance of our system, as well as calibration of the system drift, are introduced by exploring 4 × 4 patch...
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