ASTIGMATISM IN TAPERED SLOT ANTENNAS

被引：2
|
作者：
BOWEN, JW
机构：
[1] Department of Cybernetics, The University of Reading, Reading
来源：
INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 1995年 / 16卷 / 10期
关键词：
ANTENNAS; ASTIGMATISM; QUASI-OPTICS;
D O I：
10.1007/BF02068685
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 series of scale model measurements of transverse electromagnetic mode tapered slot antennas are presented. They show that the beam launched by this type of antenna is astigmatic. It is shown how an off-axis spherical mirror can be used to correct this astigmatism to allow efficient coupling to quasi-optical systems. A millimetre wave antenna and minor combination is described and, with the aid of solid state noise diodes, the coupling of the launched beam to a quasi-optical spectrometer is shown to be in good agreement with that predicted by the scale model measurements.
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页码：1733 / 1756
页数：24
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