Experimental investigation of a Ka band high power millimeter wave generator operated at low guiding magnetic field

• DOI: 10.1063/1.3589291
• Publication Date: 2011-05-05T12:24:35Z
• Authors: Jun Zhu; Ting Shu; Jun Zhang; Guolin Li; Zehai Zhang; Yuwei Fan
• Keywords: 0103 physical sciences; 7. Clean energy; 01 natural sciences

An overmoded slow wave type Ka band generator is investigated experimentally to produce high power millimeter waves in this paper. The experiments were carried out at the TORCH-01 accelerator. The produced microwave frequency was measured by dispersive line method, and the power was estimated by integrating over the radiation pattern at far field. With relatively low guiding magnetic field of 0.8 T and diode voltage and beam current of 590 kV and 5.2 kA, respectively, a 33.56 GHz millimeter wave with an output power of 320 MW was generated, and the microwave mode was quasi-TM01 mode.