Design of built-in tapered waveguide of 95 GHz TE<sub>03</sub> gyrotron

Xue Changjiang; Pan Wenwu; Chen Shitao

doi:10.3788/HPLPB20122406.1434

Volume 24 Issue 06

May 2012

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Xue Changjiang, Pan Wenwu, Chen Shitao. Design of built-in tapered waveguide of 95 GHz TE03 gyrotron[J]. High Power Laser and Particle Beams, 2012, 24: 1434-1438. doi: 10.3788/HPLPB20122406.1434

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Xue Changjiang, Pan Wenwu, Chen Shitao. Design of built-in tapered waveguide of 95 GHz TE₀₃ gyrotron[J]. High Power Laser and Particle Beams, 2012, 24: 1434-1438. doi: 10.3788/HPLPB20122406.1434

Xue Changjiang, Pan Wenwu, Chen Shitao. Design of built-in tapered waveguide of 95 GHz TE03 gyrotron[J]. High Power Laser and Particle Beams, 2012, 24: 1434-1438. doi: 10.3788/HPLPB20122406.1434

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Design of built-in tapered waveguide of 95 GHz TE₀₃ gyrotron

doi: 10.3788/HPLPB20122406.1434

1.
Key Laboratory of High Power Microwave Technology,Institute of Applied Electronics,CAEP,P.O.Box 919-1016,Mianyang 621900,China

Received Date: 2012-01-01
Rev Recd Date: 2012-02-28
Publish Date: 2012-06-15

Abstract

Abstract

The design method of high-order tapered waveguides is presented according to the mode coupling theory, and the built-in, TE03 mode, modified Dolph-Chebychev tapered waveguide of 95 GHz gyrotron is studied. Reliable optimal geometric parameters are obtained with a self-developed mathematical programme.The tapered waveguide of 95 GHz gyrotron designed is compact.Its parasitic-mode-suppression is 30 dB, which is verified by electromagnetic field simulation and meeting the design requirement.The burned pattern measured at output of the waveguide indicates good expected inner radius change of the gyrotron. The results show that the method can efficiently guide the design of high-order overmode tapered waveguide.
- gyrotron,
- mode coupling theory,
- modified dolph-chebychev tapered waveguide,
- te03 mode

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