Millimeter-wave beam shaping using holograms

被引:43
作者
Meltaus, J [1 ]
Salo, J
Noponen, E
Salomaa, MM
Viikari, V
Lönnqvist, A
Koskinen, T
Säily, J
Häkli, J
Ala-Laurinaho, J
Mallat, J
Räisanen, AV
机构
[1] Helsinki Univ Technol, Phys Mat Lab, FIN-02015 Espoo, Finland
[2] Helsinki Univ Technol, Radio Lab, Milimeter Wave Lab Finland, FIN-02015 Espoo, Finland
基金
芬兰科学院;
关键词
beam steering; diffraction; holographic gratings; millimeter-wave technology; propagation; submillimeter-wave technology;
D O I
10.1109/TMTT.2003.809679
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We synthesize amplitude- and phase-type computer-generated holograms (diffractive gratings) for shaping millimeter-wave fields. We design holograms using quasi-optical back-propagation and rigorous optimization methods adopted from diffractive optics. We present experimental results from a plane-wave-generating hologram and a custom-designed field shaper at 310 GHz. Holograms can be applied, e.g., in a compact antenna test range and we propose their use for alignment purposes.
引用
收藏
页码:1274 / 1280
页数:7
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