Design of iris cavity for TE<sub>02 </sub>mode W-band third harmonic gyrotron

Sun Dimin; Ma Guowu; Huang Yinhu; Zhuo Tingting; Chen Hongbin

doi:10.11884/HPLPB201527.123004

Volume 27 Issue 12

Jan. 2016

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Article Navigation > High Power Laser and Particle Beams > 2015 > 27(12): 123004

Shi Yiping, Yi Chaolong, Fan Yajun, et al. Design and experiments on a kind of high-power coplanar-feed impulse radiating antenna[J]. High Power Laser and Particle Beams, 2016, 28: 043001. doi: 10.11884/HPLPB201628.123001

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Sun Dimin, Ma Guowu, Huang Yinhu, et al. Design of iris cavity for TE₀₂mode W-band third harmonic gyrotron[J]. High Power Laser and Particle Beams, 2015, 27: 123004. doi: 10.11884/HPLPB201527.123004

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Design of iris cavity for TE₀₂mode W-band third harmonic gyrotron

doi: 10.11884/HPLPB201527.123004

1.
Science and Technology on High Power Microwave Laboratory,Institute of Applied Electronics,CAEP,P.O.Box 919-1015,Mianyang 621900,China

Received Date: 2015-07-10
Rev Recd Date: 2015-09-01
Publish Date: 2015-11-26

Abstract

Abstract

The design of an iris cavity for a W-band third harmonic gyrotron is presented. The gyrotron is designed to operate at the low loss, circular symmetric TE02 mode. The minimum start current is 2.9 A and the ohmic efficiency is 67%. When the gyrotron is driven by a 45 kV, 4 A electron beam with an orbital-to-axial velocity ratio equal to 1.5, an output power of 25.7 kW at 94.8 GHz is predicted from PIC simulation, corresponding to an efficiency of 14.3%.
- third-harmonic,
- gyrotron,
- W-band,
- iris structure

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