Understanding Parallel and Perpendicular Polarization of Waves

AI Thread Summary
Parallel and perpendicular polarization of waves refers to their orientation relative to the plane of incidence, which is defined by the direction of wave propagation and a normal vector to the reflecting surface. In this context, a vertically polarized source horn aligns parallel to the plane of incidence when cut in the H-plane on a flat panel. The electric field components are categorized as p-like (parallel) for the component in the plane of incidence and s-like (perpendicular) for the component normal to it. Understanding these definitions clarifies the relationship between vertical/horizontal and parallel/perpendicular polarizations. This knowledge is essential for applications in radomes and wave propagation analysis.
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I am reading a book about radomes and am confused about what is meant by parallel and perpendicular polarizations. I am familiar with vertical and horizontal. I am having trouble determining the connection between them. Anyone?
 
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It should indicate parallel and perpendicular to what.
 
It is referring to the plane of incidence. So I think that if I have a vertically polarized source horn and cut in the h plane then I am parallel to the plane of incidence on a flat panel. It is still a little coudy, but I think that is correct.
 
Another coordinate system frequently used relates to the plane made by the propagation direction and a vector normal to the plane of a reflecting surface. This is known as the plane of incidence. The rays in this plane are illustrated in the diagram to the right. The component of the electric field parallel to this plane is termed p-like (parallel) and the component perpendicular to this plane is termed s-like...
I found this reference to parallel polarization on http://en.wikipedia.org/wiki/Polarization"
 
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