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A New Reflector Designed for Efficiency Enhancement of CRBWO

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4 Author(s)
Teng Yan ; Tsinghua Special Energy Inst., Tsinghua Univ., Beijing ; Liu Guozhi ; Shao Hao ; Tang Chuanxiang

A new reflector consisting of the inner and outer conductors is introduced into the coaxial relativistic backward wave oscillator for the first time through optimizing the distribution of the electric field and distance between the reflector and the slow wave structure. The improved reflector can excite the superposition of the axial electric fields to benefit the electron premodulation. The improved reflector is investigated by the particle-in-cell numerical simulation. A result of 43% power efficiency, 1.0-GW power, and 7.3-GHz operation frequency is obtained under the diode voltage 530 kV and current 4.4 kA.

Published in:

Plasma Science, IEEE Transactions on  (Volume:37 ,  Issue: 6 )

Date of Publication:

June 2009

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