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http://dx.doi.org/10.3807/HKH.2009.20.2.065

A Terahertz Yagi-Uda Antenna with High Input Impedance  

Han, Kyung-Ho (School of Electrical and Computer Engineering, Ajou University)
Nguyen, Troung Khang (School of Electrical and Computer Engineering, Ajou University)
Park, Ik-Mo (School of Electrical and Computer Engineering, Ajou University)
Han, Hae-Wook (Department of Electrical and Computer Engineering, Pohang University of Science and Technology)
Publication Information
Korean Journal of Optics and Photonics / v.20, no.2, 2009 , pp. 65-70 More about this Journal
Abstract
In this paper, a THz Yagi-Uda antenna with high input impedance is designed. By placing the antenna on a thin substrate, end-fire radiation patterns with high antenna impedance can be obtained even when the substrate has high relative dielectric constant. The proposed Yagi-Uda antenna has high input resistance of approximately $4,400{\Omega}$ at the resonance frequency which is obtained by using a U-shaped dipole as a driver element. It is expected that the Yagi-Uda antenna on a thin substrate can achieve much higher terahertz output power than the conventional THz antennas.
Keywords
Terahertz antenna; Yagi-Uda antenna; Photomixer; High input impedance;
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Times Cited By KSCI : 1  (Citation Analysis)
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