Title :
Complex modes in asymmetric coplanar waveguides
Author :
Rahman, K.M. ; Nguyen, C.
Author_Institution :
Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA
Abstract :
We investigate the existence of complex modes in lossless shielded asymmetric coplanar waveguides (CPWs) using the spectral domain approach. The slot asymmetry is found to significantly affect the existence of the complex modes. These modes are found to exist at low microwave frequencies even when using materials with a low permittivity. Numerical convergence of the complex modes´ propagation constants is also examined.
Keywords :
convergence of numerical methods; coplanar waveguides; electromagnetic shielding; permittivity; spectral-domain analysis; waveguide theory; complex modes; lossless shielded asymmetric coplanar waveguides; low microwave frequencies; low permittivity materials; numerical convergence; propagation constants; slot asymmetry effects; spectral domain approach; Convergence of numerical methods; Coplanar waveguides; Dielectric losses; Frequency; MMICs; Microwave integrated circuits; Monolithic integrated circuits; Power transmission lines; Propagation constant; Propagation losses;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1996. AP-S. Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
0-7803-3216-4
DOI :
10.1109/APS.1996.550051
