A full-wave analysis of an arbitrarily shaped dielectric waveguide using Green´s scalar identity

Author

Charles, J. ; Baudrand, H. ; Bajon, D.

Author_Institution

Lab. de MicroOndes, Inst. Nat. Polytech., Toulouse, France

Volume

39

Issue

6

fYear

1991

fDate

6/1/1991 12:00:00 AM

Firstpage

1029

Lastpage

1034

Abstract

An integral equation analysis is proposed to determine the phase constant of an arbitrarily shaped dielectric waveguide. The main feature of this approach is the use of Green´s scalar identity in which only simple contour integrals have to be evaluated. Different scalar Green´s functions are considered to satisfy the boundary conditions for the electric and magnetic fields in each region. This approach is combined with the boundary element technique with linear elements for the computation. The case of the rectangular dielectric image waveguide is discussed. and numerical results are shown to be consistent with other theories and experiments. The cases of hollow rectangular and semicircular image waveguides are analyzed, and numerical results are presented

Keywords

Green´s function methods; boundary-elements methods; dielectric waveguides; integral equations; waveguide theory; Green´s scalar identity; arbitrarily shaped; boundary conditions; boundary element technique; contour integrals; dielectric waveguide; electric fields; full-wave analysis; hollow waveguiders; integral equation analysis; magnetic fields; phase constant; rectangular dielectric image waveguide; scalar Green´s functions; semicircular image waveguides; Boundary conditions; Dielectrics; Hollow waveguides; Image analysis; Integral equations; Magnetic analysis; Magnetic fields; Optical attenuators; Optical waveguides; Rectangular waveguides;

fLanguage

English

Journal_Title

Microwave Theory and Techniques, IEEE Transactions on

Publisher

ieee

ISSN

0018-9480

Type

jour

DOI

10.1109/22.81676

Filename

81676