Characterization of a shielded transition to a dielectric waveguide

Author

Engel, Andrew G., Jr. ; Dib, Nihad I. ; Katehi, Linda P B

Author_Institution

Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI, USA

Volume

42

Issue

5

fYear

1994

fDate

5/1/1994 12:00:00 AM

Firstpage

847

Lastpage

854

Abstract

A shielded sub-mm/THz monolithic transition between a layered dielectric waveguide and a strip-ridge line is characterized using two different approaches: the integral equation-mode matching (IEMM) method and the finite difference time domain (FDTD) technique. While higher order modes are considered, a simple method for determining the transition´s circuit model (i.e., two-port scattering matrix) from the IEMM results is implemented and the electrical performance is studied as frequency and conductor width are varied. The FDTD analysis gives further insight into the behavior of the transition in a very wide frequency range (0-540 GHz). The transition is found to be very efficient over a wide frequency band and a broad range of conductor widths

Keywords

dielectric waveguides; finite difference time-domain analysis; frequency-domain analysis; strip line components; submillimetre wave devices; waveguide couplers; waveguide theory; 0 to 540 GHz; circuit model; dielectric waveguide; electrical performance; finite difference time domain; integral equation-mode matching; shielded transition; strip-ridge line; submm/THz monolithic transition; two-port scattering matrix; Circuits; Conductors; Dielectrics; Difference equations; Differential equations; Finite difference methods; Frequency; Integral equations; Time domain analysis; Waveguide transitions;

fLanguage

English

Journal_Title

Microwave Theory and Techniques, IEEE Transactions on

Publisher

ieee

ISSN

0018-9480

Type

jour

DOI

10.1109/22.293534

Filename

293534