Transmission property of multimodes in tapering circular waveguide

yin xiaohui; yan yang; wu jianqiang; yuan xuesong; li ningping

Volume 21 Issue 04

Apr. 2009

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Article Navigation > High Power Laser and Particle Beams > 2009 > 21(04): 0-

wu xi, yuan ping, ma lizhen, et al. Structure analysis of super-FRS dipoles for FAIR project[J]. High Power Laser and Particle Beams, 2009, 21.

Citation:

yin xiaohui, yan yang, wu jianqiang, et al. Transmission property of multimodes in tapering circular waveguide[J]. High Power Laser and Particle Beams, 2009, 21.

wu xi, yuan ping, ma lizhen, et al. Structure analysis of super-FRS dipoles for FAIR project[J]. High Power Laser and Particle Beams, 2009, 21.

Citation:

yin xiaohui, yan yang, wu jianqiang, et al. Transmission property of multimodes in tapering circular waveguide[J]. High Power Laser and Particle Beams, 2009, 21.

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Transmission property of multimodes in tapering circular waveguide

1.
School of Physical Electronics,University of Electronic Science and Technology of China,Chengdu 610054,China;
2.
University of Electronic Science and Technology of China Zhongshan Institute,Zhongshan 528402,China

Publish Date: 2009-04-15

Abstract

Abstract

Based on the theory of mode coupling, the paper deduced the timedependent couplingwave equationd that the modes satisfy in tapering circular waveguide, and presented the expressions of coupling coefficients of the equations. The metallic wall loss was considered in the process. According to the equations, we write a code for simulation of the multimode transmission property in tapering circular waveguide. Firstly, using the code, mode loss in circular waveguide in THz region was computed.It is found that when studying the multimode transmission property in tapering circular waveguide,the effect of metallic wall impedance loss must be considered.Secondly,we analyzed mode coupling numerically. This attests to the existence of the coupling mechanism due to fininte conductivity of the meta
- terahertz,
- tapering circular waveguide,
- transmission property,
- coupling wave equation,
- impedance boundary,
- waveguide couplers,
- waveguide transitions

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