• ISSN 0258-2724
  • CN 51-1277/U
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Volume 21 Issue 5
Oct.  2008
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Article Contents
XIONG Tianxin, YANG Rugui. Propagation Characteristics of Metal Circular Waveguide Filled with Multilayer Reciprocal Chiral Media[J]. Journal of Southwest Jiaotong University, 2008, 21(5): 588-594.
Citation: XIONG Tianxin, YANG Rugui. Propagation Characteristics of Metal Circular Waveguide Filled with Multilayer Reciprocal Chiral Media[J]. Journal of Southwest Jiaotong University, 2008, 21(5): 588-594.

Propagation Characteristics of Metal Circular Waveguide Filled with Multilayer Reciprocal Chiral Media

  • Received Date: 12 Sep 2007
  • Publish Date: 25 Oct 2008
  • With the method of separation of variables,the general mode eigenequation of the metal circular waveguide filled with multilayer reciprocal chiral media was given.From the general eigenequation,the mode eigenequation of metal circular waveguide filled with an ordinary medium can be obtained.To reveal the propagation characteristics,numerical results for some modes in the metal circular waveguide filled with one or two layers of reciprocal chiral media were presented.The research results show that the main factor influencing the propagation characteristics is the refractive index of the reciprocal chiral media filled in it.When the permeability of the reciprocal chiral media filled in it is changed but the refractive index,chiral parameters and the ratio of the outer radii of the first and the second layers are given,the normalized cut-off frequency will obviously change.When the parameters of the reciprocal chiral media filled in it are given but the ratio of the outer radii of the two layers is changed,the normalized cut-off frequency of low-order modes changes slightly.Therefore,changing the ratio of the outer radii of the two layers is not a good approach to change the normalized cut-off frequency of low-order modes and normalized bandwidth of the metal circular waveguide.

     

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