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Characterization of Reconfigurable LC-Reflectarrays Using Near-Field Measurements

Dieter, Sabine and Moessinger, Alexander and Mueller, Stefan and Menzel, Wolfgang and Jakoby, Rolf (2009):
Characterization of Reconfigurable LC-Reflectarrays Using Near-Field Measurements.
In: Proceedings of German Microwave Conference, [Conference or Workshop Item]

Abstract

A new measurement method for characterization of liquid crystal reflectarrays (LC) is presented. The phase and amplitude characteristics are determined by near-field measurements close to the antenna surface, using high resolution probes, which have been developed to resolve individual patches on the reflectarray. Measurement results showed a phase angle range of 280° of individual detected LC patches. The measurement setup and corresponding measurement results at 35 GHz are presented. The procedure used for measurement automation is also explained.

Item Type: Conference or Workshop Item
Erschienen: 2009
Creators: Dieter, Sabine and Moessinger, Alexander and Mueller, Stefan and Menzel, Wolfgang and Jakoby, Rolf
Title: Characterization of Reconfigurable LC-Reflectarrays Using Near-Field Measurements
Language: English
Abstract:

A new measurement method for characterization of liquid crystal reflectarrays (LC) is presented. The phase and amplitude characteristics are determined by near-field measurements close to the antenna surface, using high resolution probes, which have been developed to resolve individual patches on the reflectarray. Measurement results showed a phase angle range of 280° of individual detected LC patches. The measurement setup and corresponding measurement results at 35 GHz are presented. The procedure used for measurement automation is also explained.

Divisions: 18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics > Microwave Engineering
18 Department of Electrical Engineering and Information Technology
18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics
Event Title: Proceedings of German Microwave Conference
Date Deposited: 27 Jan 2012 15:20
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