Development of a hologram-based CATR for testing a very high gain antenna at 650 GHz

Author

Ala-Laurinaho, Juha ; Koskinen, Tomi ; Hakli, Janne ; Karttunen, Aki ; Lönnqvist, Anne ; Noponen, Eero ; Mallat, Juha ; Vaaja, Matti ; Viikari, Ville ; Räisänen, Antti ; Heinonen, Jukka ; Hautala, Pekka ; Lemanczyk, Jerzy

Author_Institution

MilliLab, SMARAD Radio Laboratory, Helsinki University of Technology, P.O. Box 3000, 02015 TKK, Finland

fYear

2006

fDate

6-10 Nov. 2006

Firstpage

1

Lastpage

6

Abstract

A compact antenna test range (CATR) based on a radio frequency hologram is a potential method for testing high-gain antennas at submillimetre wavelengths. Within a European Space Agency (ESA) project, a 1.5 m reflector antenna, ADMIRALS Representative Test Object (RTO), will be tested at 650 GHz during autumn 2006. For these antenna tests, MilliLab / Radio Laboratory at the Helsinki University of Technology (TKK) is designing and constructing a CATR based on a binary amplitude hologram having a diameter of 3.16 m. The designed quiet-zone width is about 2 m. A plane-polar scanner is designed for the quiet-zone field verification. The dynamic range is estimated to be 32 dB in the quiet-zone field tests and 78 dB in the tests of the high-gain test antenna.

Keywords

Collimators; Feeds; Instruments; Laboratories; Radio frequency; Reflector antennas; Space technology; Submillimeter wave technology; Testing; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation, 2006. EuCAP 2006. First European Conference on

Conference_Location

Nice

Print_ISBN

978-92-9092-937-6

Type

conf

DOI

10.1109/EUCAP.2006.4584872

Filename

4584872