Title :
Microwave open resonator: a paradox
Author_Institution :
University College London, Department of Electronic & Electrical Engineering, London, UK
Abstract :
If a thin lens is placed in an open resonator, it does not refract if it is in a nodal plane, but at the maxima of the electric field it behaves like a lens having a refractive index greater than the true value.
Keywords :
cavity resonators; 32.2 to 34.1 GHz; concave disc; double-concave resonator; flat disc; microwave open resonator; polymethylpentene; thin lens;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19820316
