Near Field Scanning With Optoelectronic E-Field Probes

Conference: EuCAP 2009 - 3rd European Conference on Antennas and Propagation
03/23/2009 - 03/27/2009 at Berlin, Germany

Proceedings: EuCAP 2009

Pages: 5Language: englishTyp: PDF

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Kortke, Andreas (Fraunhofer Institut für Nachrichtentechnik, Heinrich-Hertz-Institut, Einsteinufer 37, 10587 Berlin, Germany)
Mann, Wieland (enprobe GmbH, Liselotte-Herrmann-Str. 12, 10407 Berlin, Germany)

Optoelectronic field probes are well suited for RF-near-field scanning purpose. Such field probes cause only very little back scattering of electromagnetic energy to the measured radiation source. In the paper the technique of planar near-field scanning is presented. The analysis of the back scattering effect is described. Moreover, a model of the probe polarization characteristic is presented. Finally, a numerical method of polarization correction for planar near field distribution functions is described, which utilizes the knowledge of the optoelectronic field probe polarization characteristic.