It can be quite the hassle, trying to measure curved surfaces with either a stiff metal tape measure or a floppy cloth one that won't stay in place. The Tiroler 2.0 offers a clever alternative, and it ...

A theoretical parameter study is given of a TE/sub 11/ to HE/sub 11/ mode converter consisting of a section of cylindrical corrugated waveguide with ring-loaded slots. The analysis, using modal ...