Since the HE11 mode does not radiate
significantly into small waveguide gaps, rotary joints
can be made easily. Circular polarizers (miter bends)
on opposite sides of a small gap will suffice.
high power 30
o continuous curvature bends in 31.75 mm waveguide for HE
11 mode at 110 GHz
high power 90
o continuous curvature bend in 44.5 mm waveguide for TE
01 mode at 11.4 GHz