LARGE APERTURE LOW ABERRATION ASPHERIC DIELECTRIC LENS ANTENNA FOR W-BAND QUASI-OPTICS

被引：22
|
作者：
Thakur, J. P. [1 ]
Kim, W. -G. [1 ]
Kim, Y. -H. [1 ]
机构：
[1] Gwang Ju Inst Sci & Technol, Mechatron Dept, Sensor Syst Lab, Kwangju 500712, South Korea
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2010年 / 103卷
关键词：
MILLIMETER WAVELENGTHS;
D O I：
10.2528/PIER10022404
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：
An advanced aspheric and asymmetric large aperture dielectric lens antenna is proposed firstly here for high resolution at W-band frequency. Large aperture and aspheric lens provides minimum focusing error and high resolution in millimeter wave quasi-optics application. To the best of the authors' knowledge we design first time 500 mm large aperture lens for W-band quasi optics application. Near field radiation pattern, beam size and focal length of the lens are obtained theoretically and experimentally as well. Dielectric rod waveguide antenna is also designed and employed as a source antenna for the lens. The measured and simulated results of the DRW antenna also show very good performance at W-band frequency, and it has 15.3 dB gain with -22.5 dB sidelobe levels at 94 GHz.
引用
收藏
页码：57 / 65
页数：9
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