Iteration design method for TE01-TE11 mode converter

wang qiang; zhou haijing; yang chun; li biao; he yingyi

Volume 23 Issue 11

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(11): 0-

qiu shi, gao hong-wei, jiao yong-chang, et al. Design of dual-mode conical horn feed with equal E and H patterns[J]. High Power Laser and Particle Beams, 2005, 17.

Citation:

wang qiang, zhou haijing, yang chun, et al. Iteration design method for TE01-TE11 mode converter[J]. High Power Laser and Particle Beams, 2011, 23.

qiu shi, gao hong-wei, jiao yong-chang, et al. Design of dual-mode conical horn feed with equal E and H patterns[J]. High Power Laser and Particle Beams, 2005, 17.

Citation:

wang qiang, zhou haijing, yang chun, et al. Iteration design method for TE01-TE11 mode converter[J]. High Power Laser and Particle Beams, 2011, 23.

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Iteration design method for TE01-TE11 mode converter

1.
Department of Engineering Physics,Tsinghua University,Beijing 100084,China;
2.
Institute of Electronic Engineering,CAEP,P.O.Box 919-513,Mianyang 621900,China;
3.
Institute of Applied Physics and Computational Mathematics,Beijing 100094,China

Publish Date: 2011-11-29

Abstract

Abstract

Two improvements in the iteration method for mode converter design are presented, i.e. a reasonable initial step value in every iteration is given and coupled lines of less contribution are ignored to improve bandwidth. A TE01-TE11 mode converter is designed with the improved iteration method, whose ratio of waveguide radius to free space wavelength is 2.765 5. Simulation results show that its relative bandwidth reaches 6%, total length is 600 mm, and conversion efficiency is 99.14% at the central frequency. The total calculation time is 40 s. The CST simulation result agrees well with the coupled mode simulation one.
- mode converter,
- phase rematch method,
- iteration method,
- coupled mode theory,
- overmoded waveguide

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