caa a22 4500 445305215 CHVBK 20180317142610.0 cr unu---uuuuu 170323e20110601xx s 000 0 eng 10.1007/s10762-011-9796-3 doi (NATIONALLICENCE)springer-10.1007/s10762-011-9796-3 Numerical Study of a Full-wavelength Dipole Antenna on a GaAs Membrane Structure at Terahertz Frequency [Elektronische Daten] [Truong Nguyen, Haewook Han, Ikmo Park] In this paper, a full-wavelength dipole antenna, supported by a GaAs membrane structure, is examined. The antenna was designed with both high input resistance and high radiation efficiency to improve the overall efficiency of a terahertz photomixer design. The geometrical effects of the GaAs membrane structure on the overall antenna performance were investigated through an optimization process. To supply DC bias to the antenna, a bias line with a photonic bandgap (PBG) structure was designed and optimized. The resulting antenna had a 2742-Ω input resistance and a 65% radiation efficiency, corresponding to an approximately 44% total efficiency at the 1.05-THz resonance frequency. The proposed antenna is expected to efficiently generate THz waves and be applicable to many practical applications where large coverage (detection area), easy alignment, and high scanning speed, rather than high-resolution, are preferred. Springer Science+Business Media, LLC, 2011 Terahertz antenna nationallicence Photomixer nationallicence GaAs membrane structure nationallicence Back excitation nationallicence High input resistance nationallicence Nguyen Truong School of Electrical and Computer Engineering, Ajou University, 5 Woncheon-dong, 443-749, Youngtong-gu, Suwon, Korea aut Han Haewook Department of Electrical and Computer Engineering, Pohang University of Science and Technology, San 31 Hoyja-dong, 790-784, Nam-gu, Pohang, Korea aut Park Ikmo School of Electrical and Computer Engineering, Ajou University, 5 Woncheon-dong, 443-749, Youngtong-gu, Suwon, Korea aut Journal of Infrared, Millimeter, and Terahertz Waves Springer US; http://www.springer-ny.com 32/6(2011-06-01), 763-777 1866-6892 32:6<763 2011 32 10762 https://doi.org/10.1007/s10762-011-9796-3 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10762-011-9796-3 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Nguyen Truong School of Electrical and Computer Engineering, Ajou University, 5 Woncheon-dong, 443-749, Youngtong-gu, Suwon, Korea aut NATIONALLICENCE 700 1- Han Haewook Department of Electrical and Computer Engineering, Pohang University of Science and Technology, San 31 Hoyja-dong, 790-784, Nam-gu, Pohang, Korea aut NATIONALLICENCE 700 1- Park Ikmo School of Electrical and Computer Engineering, Ajou University, 5 Woncheon-dong, 443-749, Youngtong-gu, Suwon, Korea aut NATIONALLICENCE 773 0- Journal of Infrared, Millimeter, and Terahertz Waves Springer US; http://www.springer-ny.com 32/6(2011-06-01), 763-777 1866-6892 32:6<763 2011 32 10762 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer