caa a22 4500 445305096 CHVBK 20180317142610.0 cr unu---uuuuu 170323e20110101xx s 000 0 eng 10.1007/s10762-010-9736-7 doi (NATIONALLICENCE)springer-10.1007/s10762-010-9736-7 Asymmetric Fin Line and Coupler at Millimeter Waves on PBG Substrate [Elektronische Daten] [Humberto Fernandes, Davi Brito, Roberto de Franca] The photonic band gap (PBG) crystals have been used as a perfectly reflecting substrate for many millimeter wave applications. In this work the fin line directional coupler with PBG substrate is analyzed using the TTL—Transverse Transmission Line method. Compared to odder full wave methods the TTL is an efficient tool to determine the coupler characteristics, making possible a significant algebraic simplification of the equations involved in the process. In order to analyze the structure the effective dielectric constant, the attenuation constant and the coupling were determined. News results obtained for this application and the conclusions are presented. Springer Science+Business Media, LLC, 2010 Fin lines nationallicence Transverse transmission line method nationallicence Photonic band gap nationallicence Directional coupler nationallicence Millimeter waves nationallicence Fernandes Humberto Department of Electrical Engineering, Federal University of Rio Grande do Norte, P. O. Box1583, 59078-970, Natal, RN, Brazil aut Brito Davi Department of Electrical Engineering, Federal University of Rio Grande do Norte, P. O. Box1583, 59078-970, Natal, RN, Brazil aut de Franca Roberto Department of Electrical Engineering, Federal University of Rio Grande do Norte, P. O. Box1583, 59078-970, Natal, RN, Brazil aut Journal of Infrared, Millimeter, and Terahertz Waves Springer US; http://www.springer-ny.com 32/1(2011-01-01), 116-125 1866-6892 32:1<116 2011 32 10762 https://doi.org/10.1007/s10762-010-9736-7 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10762-010-9736-7 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Fernandes Humberto Department of Electrical Engineering, Federal University of Rio Grande do Norte, P. O. Box1583, 59078-970, Natal, RN, Brazil aut NATIONALLICENCE 700 1- Brito Davi Department of Electrical Engineering, Federal University of Rio Grande do Norte, P. O. Box1583, 59078-970, Natal, RN, Brazil aut NATIONALLICENCE 700 1- de Franca Roberto Department of Electrical Engineering, Federal University of Rio Grande do Norte, P. O. Box1583, 59078-970, Natal, RN, Brazil aut NATIONALLICENCE 773 0- Journal of Infrared, Millimeter, and Terahertz Waves Springer US; http://www.springer-ny.com 32/1(2011-01-01), 116-125 1866-6892 32:1<116 2011 32 10762 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer