In this paper, a compound high power millimeter wave waveguide Y-junction circulator, which has good performance, have been analyzed and developed. Its enduring power attains 60 W CW-power and the temperature of the waveguide surface does not exceed 25 degrees Centigrade under natureal coolness.
G. S. Wang,
"Compound high-power millimeter wave waveguide circulator", Proc. SPIE 2211, Millimeter and Submillimeter Waves, (19 August 1994); doi: 10.1117/12.182981; https://doi.org/10.1117/12.182981