Rectangular waveguides
Passive microwave circuits — Metal waveguides

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E1401 V1 Article

Rectangular waveguides


Passive microwave circuits — Metal waveguides

Authors : Paul-François COMBES, Raymond CRAMPAGNE

Publication date: February 10, 2002, Review date: September 25, 2020 | Lire en français

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2. Rectangular waveguides

2.1 Field expressions

Consider a rectangular waveguide, where a is the long side and b the short side. By convention, we take the x- and y-axes to be parallel to the long and short sides respectively (figure 2 ), while the z-axis is parallel to the invariance axis of the waveguide.

The electromagnetic fields of this guide are calculated by finding the solutions to the propagation equation in the guide dielectric, taking into account the boundary conditions imposed by the conductive walls. This classic calculation

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