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Development of a V-band Rotman Lens Using Thin-Film Dielectric  

Lee, Jang-Soo (Department of Electrical & Computer Engineering, University of Seoul)
Park, Sang-Bok (Department of Electrical & Computer Engineering, University of Seoul)
Lee, Dong-Kyu (Division of Electronic and Computer Engineering, Seoul National University)
Song, Saeng-Seob (Division of Electronic and Computer Engineering, Seoul National University)
Lee, Sang-Hyo (Division of Electronic and Computer Engineering, Seoul National University)
So, Joon-Ho (Agency for Defense Development)
Kwon, Young-Woo (Division of Electronic and Computer Engineering, Seoul National University)
Seo, Kwang-Seok (Division of Electronic and Computer Engineering, Seoul National University)
Cheon, Chang-Yul (Department of Electrical & Computer Engineering, University of Seoul)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.17, no.11, 2006 , pp. 1073-1081 More about this Journal
Abstract
In this paper, a phased array antenna based on thin-film dielectric technology at 60 GHz is designed. In order to reduce dividing/combining loss and avoid high loss of phase shifters, Rotman Lens has been employed as a feeder of antenna. The lens has 3 beam ports and 5 array ports with 2 dummy ports. The simulation for the design was performed by simulator using MoM(method of moments). The measured results of fabricated lens show magnitude deviation less than ${\pm}2dB$ and phase aberration less than ${\pm}5^{\circ}$ over $58{\sim}62GHz$. The antenna shows ${\pm}7^{\circ}$ of scan angles.
Keywords
Microstrip Rotman Lens; Phased Array Antenna; Thin-film Dielectric; Method of Moments; Symmetry Lens;
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