Journal
IEEE TRANSACTIONS ON ELECTRON DEVICES
Volume 63, Issue 9, Pages 3747-3752Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TED.2016.2593701
Keywords
Backward wave oscillators (BWOs); high electronic efficiency; metamaterial; output coupler; slow-wave structure (SWS)
Funding
- National Natural Science Foundation of China [61471091, 61611130067, 61531010]
- National Defense Science Key Laboratory Fund of China [9140C050101110C05]
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In this paper, we present an S-band compact metamaterial microwave source, which is based on a rectangular output coupler and a new all-metal metamaterial slow-wave structure that has been proposed previously. Due to the reversed Cherenkov radiation of the metamaterial, this metamaterial microwave source can be considered as a new sort of backward wave oscillators (BWOs). The S-band metamaterial microwave source has been further studied and analyzed by using Ansoft HFSS and CST Particle studio particle-in-cell solver. The simulated results show that the electronic efficiency of this S-band metamaterial microwave source can go up to 90% with the peak output power of 4.5 MW. When compared with conventional BWOs, it has obvious advantages such as miniaturization and high electronic efficiency.
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