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  4. Characterization of quasi-optical focusing systems at w-band frequencies
 
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2015
Conference Paper
Title

Characterization of quasi-optical focusing systems at w-band frequencies

Abstract
In this paper we present an experimental method to investigate the imaging properties of quasi-optical focusing sys-tems at frequencies between 75 GHz and 110 GHz. Therefore, a millimeter wave beam which is focused by parabolic mirrors is scanned in 3D by a movable Rx horn antenna. The beam can then be visualized and analyzed using a Gaus-sian beam model. In order to characterize the performance of the quasi-optical system, the minimal spot diameter of the millimeter wave beam at the target is determined. Furthermore, the influence of the Rx horn antenna used for scan-ning the signal is investigated and a calibration method is presented for adequate compensation.
Author(s)
Klenner, M.
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Zech, Christian  orcid-logo
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Hülsmann, A.
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Schlechtweg, M.
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Ambacher, Oliver  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Mainwork
45th European Microwave Conference, EuMC 2015. Proceedings  
Conference
European Microwave Conference (EuMC) 2015  
Language
English
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
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