MILLIMETER-WAVE DOUBLE-DIPOLE ANTENNAS FOR HIGH-GAIN INTEGRATED REFLECTOR ILLUMINATION

被引：31
|
作者：
FILIPOVIC, DF
ALIAHMAD, WY
REBEIZ, GM
机构：
[1] Electrical Engineering and Computer Science Department, University of Michigan, Ann Arbor, MI
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1992年 / 40卷 / 05期
关键词：
Imaging Arrays - Integrated Circuit Antennas - Millimeter Wave Dipole Antennas;
D O I：
10.1109/22.137404
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：
A double-dipole antenna backed by a ground plane has been fabricated for submillimeter wavelengths. The double-dipole antenna is integrated on a thin dielectric membrane with a planar detector at its center. Measured feed patterns at 246 GHz agree well with theory and demonstrate a rotationally symmetric pattern with high coupling efficiency to Gaussian beams. The input impedance is around 50-OMEGA, and will match well to a Schottky diode or SIS detector. The double-dipole antenna served as the feed for a small machined parabolic reflector. The integrated reflector had a measured gain of 37 dB at 119-mu-m. This makes the double-dipole antenna ideally suited as a feed for high resolution tracking or for long focal length case-grain antenna systems.
引用
收藏
页码：962 / 967
页数：6
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