Title :
Performance analysis of a submillimeter wave hologram CATR
Author :
Hirvonen, T. ; Ala-Laurinaho, J. ; Räisänen, A.V.
Author_Institution :
Radio Laboratory, Helsinki University of Technology, P.O. Box 3000, FIN-02015 HUT, Finland. Tel.: +358 9 451 2248, Fax: +358 9 451 2152, e-mail: thi@radio.hut.fi
Abstract :
A hologram is a planar, transmission type of collimating component. Performance of a submillimeter wave hologram type of compact antenna test range (CATR) is studied with a combined analysis of a physical optics (PO) and a finite difference time domain (FDTD) method at 500 GHz. Main focus is on the fabrication errors, the feed positioning errors, and the frequency and polarization dependence of the hologram structure. The effect of planarity errors is discussed.
Keywords :
Feeds; Finite difference methods; Frequency; Optical collimators; Optical device fabrication; Performance analysis; Physical optics; Submillimeter wave propagation; Testing; Time domain analysis;
Conference_Titel :
Microwave Conference, 1997. 27th European
Conference_Location :
Jerusalem, Israel
DOI :
10.1109/EUMA.1997.337872
