Gigawatt-class radiation generated by a Ka-band overmoded Cherenkov-type high power millimeter wave generator
Journal Article
·
· Review of Scientific Instruments
- College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha 410073 (China)
Particle simulation and experimental results are presented about a Ka-band overmoded Cherenkov-type high power millimeter wave generator in this paper. The relativistic electron beam with peak current of 8.4 kA was generated by a pulsed power accelerator working at the voltage of 625 kV, which was guided by an axial magnetic field of 1.05 T and transported through the beam-wave interaction structures. After careful calibration, the microwave power radiated in the far field was as high as about 500 MW, with a frequency of 32.1 GHz and a pulse width of 20 ns. The radiation mode was well controlled to be TM{sub 0n} mode.
- OSTI ID:
- 22482755
- Journal Information:
- Review of Scientific Instruments, Vol. 86, Issue 8; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0034-6748
- Country of Publication:
- United States
- Language:
- English
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