DocumentCode
2361166
Title
Studies on an amplitude hologram as a submillimeter-wave collimator at circular polarisation
Author
Koskinen, Tomi ; Ala-Laurinaho, Juha ; Häkli, Jane ; Räisänen, Antti V.
Author_Institution
MilliLab, SMARAD Radio Laboratory, Helsinki University of Technology, P. O. Box 3000, FI-02015 TKK, Finland
fYear
2006
fDate
6-10 Nov. 2006
Firstpage
1
Lastpage
6
Abstract
A hologram can be used as a collimator in the submillimeter-wave compact antenna test range (CATR). Previously, when a horn has been used as the feed, operation of the hologram has been limited to the vertical electric field polarisation. Use of a dual reflector feed system as the feed allows us to design holograms that operate also at the horizontal polarisation. Here, we show by simulation at 310 GHz that the operation of such holograms can be almost identical at both linear polarisations, thus, letting us to assume that these holograms can be used also at the circular polarisation.
Keywords
Collimators; Feeds; Polarization; Strips;
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.2006.4584871
Filename
4584871
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