Numerical simulation of novel TM01-TE11 mode converter with slow-wave structures

ding dun-gao; qian bao-liang; yuan cheng-wei

Volume 19 Issue 06

Jun. 2007

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Article Navigation > High Power Laser and Particle Beams > 2007 > 19(06): 0-

zhang zi-cheng, yang han-wu, zhang jian-de, et al. Experimental studies on repetitive pulsed power modulator with compact Tesla transformer[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

ding dun-gao, qian bao-liang, yuan cheng-wei. Numerical simulation of novel TM01-TE11 mode converter with slow-wave structures[J]. High Power Laser and Particle Beams, 2007, 19.

zhang zi-cheng, yang han-wu, zhang jian-de, et al. Experimental studies on repetitive pulsed power modulator with compact Tesla transformer[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

ding dun-gao, qian bao-liang, yuan cheng-wei. Numerical simulation of novel TM01-TE11 mode converter with slow-wave structures[J]. High Power Laser and Particle Beams, 2007, 19.

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Numerical simulation of novel TM01-TE11 mode converter with slow-wave structures

1.
College of Optoelectric Science and Engineering,National University of Defense Technology,Changsha 410073,China

Publish Date: 2007-06-15

Abstract

Abstract

A novel mode converter with slow-wave structures is investigated. The circular waveguide is separated into two regions by a metal plate. One is a regular 180° sector waveguide, the other is inserted with slow-wave structures. The input circular TM01 mode excites two sector TE11 modes which propagate at different phase velocities in the two regions. Adjusting the parameters of the SWSs, the two sector TE11 modes have various phase difference. At the end of the plate the two sector TE11 modes with 180° phase difference couple into the circular TE11 mode to finish the TM01-TE11 mode conversion. The input and output is aligned on the same axis, which is helpful for the compactness of the microwave lunching systems. Numerical simulations reveal that at the operating frequency of 1.8 GHz the c
- high power microwave,
- slow-wave structures,
- mode converter,
- sector waveguide,
- tm01 mode,
- te11 mode

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