TY - JOUR 
A1 - Pérez Soler, Francisco Javier
AU - Quesada Pereira, Fernando Daniel
AU - Cañete Rebenaque, David
AU - Pascual García, Juan
AU - Álvarez Melcón , Alejandro
T1 - Efficient integral equation formulation for inductive waveguide components with posts touching the waveguide walls
Y1 - 2007
SN - 0048-6604
UR - http://hdl.handle.net/10317/8444
AB - In this paper a surface integral equation technique is employed for the analysis of inductive waveguide problems containing metallic or dielectric objects of arbitrary shape, focusing on the case where these objects are connected to the waveguide walls. Using the extinction theorem, the main problem is split into two problems. In the first one the parallel plate waveguide Green’s functions are used. Because of the choice of these functions, the side of the object touching the waveguide wall is not considered for discretization in a method of moments analysis. The second problem is applied inside the dielectric object, and uses the free space Green’s functions. It is shown that an additional spatial image is needed to impose the proper boundary conditions for the fields on the side touching the waveguide wall in the original problem. Results show the importance of including this additional image in the formulation for the correct behavior of the fields. With the proposed technique, the paper explores some alternatives for designing specific filter responses using dielectric posts inside cavity filters. Comparisons with a commercial finite elements tool demonstrate the accuracy of the proposed integral equation formulation.
KW - Teoría de la Señal y las Comunicaciones
KW - Electromagnetic Analysis
KW - Integral equations
KW - Eaveguide filters
KW - Inductive waveguide circuits
KW - 2202 Electromagnetismo
LA - eng
PB - American Geophysical Union (AGU)
ER -