Antenna Tests With a Hologram-Based CATR at 650 GHz

A hologram-based compact antenna test range (CATR) is designed, constructed, and used to test a 1.5-m antenna at 650 GHz. The CATR is based on a 3.16-m-diameter hologram as the collimating element. So far, this is the highest frequency at which any CATR has been used for antenna tests. The quiet zon...

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Veröffentlicht in:	IEEE transactions on antennas and propagation 2009-03, Vol.57 (3), p.711-720
Hauptverfasser:	Karttunen, A., Ala-Laurinaho, J., Vaaja, M., Koskinen, T., Hakli, J., Lonnqvist, A., Mallat, J., Tamminen, A., Viikari, V., Raisanen, A.V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antenna feeds Antenna measurements Antennas Applied sciences Collimation Collimators compact antenna test range (CATR) computer-generated hologram Construction Exact sciences and technology Frequency Holograms Holography Laboratories Manufacturing Radiocommunications Reflector antennas Scanning Simulation Submillimeter wave technology submillimeter waves Telecommunications Telecommunications and information theory Test ranges Testing Wavelength measurement
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Beschreibung
Zusammenfassung:	A hologram-based compact antenna test range (CATR) is designed, constructed, and used to test a 1.5-m antenna at 650 GHz. The CATR is based on a 3.16-m-diameter hologram as the collimating element. So far, this is the highest frequency at which any CATR has been used for antenna tests. The quiet zone is measured and optimized before the antenna tests. The measured antenna pattern results at 650 GHz are analyzed and compared to the simulated patterns. Feed scanning antenna pattern comparison technique is used to correct the antenna pattern. These tests show the hologram CATR to be promising for antenna measurements up to 650 GHz.
ISSN:	0018-926X 1558-2221
DOI:	10.1109/TAP.2009.2013428