You searched for: “electromagnetic amplifying lens”
electromagnetic amplifying lens (s) (noun), electromagnetic amplifying lenses (pl)
A system composed of several waveguides that are symmetrically arranged with a related excitation medium in order to become excited with equal amplitudes and phases to in order to provide a net gain in energy.
This entry is located in the following units: ampli-, ampl- (page 1) electro-, electr-, electri- (page 38)