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2010-01-20
The Experimental Results of a Low Power X-Band Free Electron Maser by Electron Pre-Bunching
By
Progress In Electromagnetics Research, Vol. 101, 43-62, 2010
Abstract
We have developed a proof-of-concept low power free electron maser that is compact and low cost. The design, set-up and results of a novel (without wiggler) low power X-band rectangular waveguide pre-bunched free electron maser (PFEM) are presented in this paper. Our device operates at 10 GHz, with 10 mWatt seeding input power and employs two rectangular waveguide cavities (one for velocity modulation and the other for energy extraction). The electron beam used in this experiment is produced by Thoria coated Iridium filament which can operate at 3 kV and up to 5 mA beam current. The effect of the aperture on the power leaking out of the waveguide is also analyzed. The TE10 mode propagation of the EM standing wave is used to pre-bunch the electron beams in the input cavity. The bunched electron beams are in the same phase as the TE10 mode propagation of the EM wave in the output cavity. This free electron maser could be useful industrially, as it could be used with the commercially available accelerating voltage supplies.
Citation
Mohd Fareq Bin Abd Malek James Lucas Yi Huang , "The Experimental Results of a Low Power X-Band Free Electron Maser by Electron Pre-Bunching," Progress In Electromagnetics Research, Vol. 101, 43-62, 2010.
doi:10.2528/PIER09121604
http://www.jpier.org/PIER/pier.php?paper=09121604
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