Hologram as the collimating element in a compact antenna test range at millimeter wavelengths

被引：1

作者：

Raisanen, AV ^{[1
]}

Hirvonen, T ^{[1
]}

Ala-Laurinaho, J ^{[1
]}

Lehto, A ^{[1
]}

机构：

[1] Helsinki Univ Technol, Inst Radio Commun, Radio Lab, FIN-02015 HUT, Finland

来源：

OPTICAL DEVICES AND METHODS FOR MICROWAVE/MILLIMETER-WAVE AND FRONTIER APPLICATIONS | 1998年 / 3464卷

关键词：

antenna measurements; millimeter waves; hologram; compact ranges;

D O I：

10.1117/12.323144

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A compact antenna test range (CATR) has a great potential for testing electrically large antennas. However, the application of conventional reflector type CATRs becomes increasingly difficult, though not impossible, above 100 GHz due to the tight surface accuracy requirements for the reflectors. A CATR based on a planar hologram has been studied to overcome the problems incurred by the use of reflectors with insufficient surface accuracy. This paper summarises the recent results obtained for a hologram CATR at Helsinki University of Technology.

引用

页码：212 / 221

页数：10