Abstract
A three-dimensional vectorial finite element method (3-D-VFEM) for waveguide
discontinuity problems is newly formulated and implemented. Through the use
of the 3-D-VFEM, transmission characteristics of two types of crossing slot-waveguides
with finite core-height are investigated for the first time. One is a direct
crossing and the other is a crossing filling up the slots locally. Results
show that three-dimensional analysis considering the finite core-height is
indispensable.
© 2012 IEEE
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