2013
DOI: 10.1109/ted.2013.2246868
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A THz Backward-Wave Oscillator Based on a Double-Grating Rectangular Waveguide

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Cited by 23 publications
(5 citation statements)
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“…The comparison of the conventional BWO and the QPP BWO in the THz band is shown in Table IV with the main parameters which are also from the simulation results. The sine waveguide [18], corrugated rectangular waveguide (CRWG) [29], and double-grating rectangular waveguide (DGRWG) [30] are involved in the comparison, which shows that the novel QPP BWO have higher interaction impedance and efficiency, lower operating voltage and focusing magnetic field, and shorter circuit length compared with …”
Section: Discussionmentioning
confidence: 99%
“…The comparison of the conventional BWO and the QPP BWO in the THz band is shown in Table IV with the main parameters which are also from the simulation results. The sine waveguide [18], corrugated rectangular waveguide (CRWG) [29], and double-grating rectangular waveguide (DGRWG) [30] are involved in the comparison, which shows that the novel QPP BWO have higher interaction impedance and efficiency, lower operating voltage and focusing magnetic field, and shorter circuit length compared with …”
Section: Discussionmentioning
confidence: 99%
“…Fortunately, the higher current density electron beam can be generated by either using a high current density field emission, 23 or a pseudospark-sourced cathode, 24 or compressing electrons from a lower current density thermionic cathode. 25 Coincidently, a Pierce gun with 30 mA current and 40 lm beam radius has been designed by Liu et al 26 Thus, the high current density pencil beam is reasonable. Second, the peak electric field strength when this device operates with the 32 kV beam voltage is about 2 Â 10 6 V/m, and it does not exceed the breakdown electric field strength (0.5-3 Â 10 7 V/m) in the vacuum.…”
Section: Backward Wave Oscillator Performancementioning
confidence: 99%
“…The figure shows that the particle velocity is almost constant at the middle of the electron beam tunnel, while at both ends of the tunnel (near to the conducting walls and the slow wave defects), there is a change in the velocity of the particle. This result can be explained from the location of the slow wave mode and the waveguide mode [3] [6]. Since the waveguide mode is located at the center of the SWS, there is no particle-field interaction at this region.…”
Section: B the Particle Physicsmentioning
confidence: 99%