A diplexer based on an open resonator with corrugated mirrors

A diplexer with a resonance frequency of 34 GHz has been created based on a four-mirror ring resonator with two corrugated mirrors. When the incident wave frequency varies by more than 20 MHz, the output wave beam is completely switched from one direction to another. A diplexer of this type can be used for discrete frequency scanning of high-power wave beams in systems for the suppression of the hydrodynamic instabilities of plasma in magnetic traps. Such diplexers can also be combined so as to form a multiplexer, which can be used in long-range multichannel communication and radar systems with synthesized frequency bands.