Preliminary Design of a Harmonic-doubling Gyrotron Traveling Wave Amplifier

Jiao, Chongqing; Luo, Jirun

doi:10.1007/s10762-007-9298-5

Cited by 3 publications

(1 citation statement)

References 25 publications

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“…Modeselective circuits, such as slotted waveguide and helically corrugated waveguide [8][9][10][11], can also be used to improve the stability. However, the circuits are usually complicated in manufacturing and in coupling with input or output circuit of gyro-TWA.…”

Section: Introductionmentioning

confidence: 99%

Preliminary design of 1 MW, Ku-band gyrotron traveling-wave amplifier

Jiao

2009

Front. Electr. Electron. Eng. China

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The preliminary design results of a 1-MW, Kuband gyrotron traveling wave amplifier (gyro-TWA) are presented. Operating at the second cyclotron harmonic of the TE 11 mode, the amplifier characterizes good stability even in the case of no distributed losses loaded, which could potentially allow it to be operated at high average power. Large signal simulation shows that the amplifier can generate a saturated peak power of about 1 MW with efficiency of 26.6%, gain of 31 dB, and 3-dB bandwidth of about 1 GHz when driven by a 100 kV, 40 A electron beam with 5% axial velocity spread.

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Section: Introductionmentioning

confidence: 99%

Preliminary design of 1 MW, Ku-band gyrotron traveling-wave amplifier

Jiao

2009

Front. Electr. Electron. Eng. China

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Study on the Suppression of Gyro-BWO by Distributed Wall Losses

Jiao

Luo

2009

J Infrared Milli Terahz Waves

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In this paper, the effect of distributed wall losses on the starting length and starting frequency of a TE 21 mode gyro-BWO is investigated for different operating magnetic fields by using a linear theory. Numerical results show that, for the efficient suppression of a gyro-BWO in a distributed wall losses gyro-TWA consisting of a lossy section followed by a copper section, the wall losses applied in the lossy section should be able to provide a cold attenuation approximately equal to the linear growth rate of the gyro-BWO in the case of wall losses neglected and the copper section length should be shorter than the starting length of the corresponding gyro-BWO without wall losses loaded.

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Study on suppression of gyro-BWO by distributed wall losses

Jiao

2008

2008 IEEE International Vacuum Electronics Conference

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Preliminary Design of a Harmonic-doubling Gyrotron Traveling Wave Amplifier

Cited by 3 publications

References 25 publications

Preliminary design of 1 MW, Ku-band gyrotron traveling-wave amplifier

Preliminary design of 1 MW, Ku-band gyrotron traveling-wave amplifier

Study on the Suppression of Gyro-BWO by Distributed Wall Losses

Study on suppression of gyro-BWO by distributed wall losses

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