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中文摘要：
首先给出了填充手征媒质的一般柱结构中耦合波方程的解耦过程,然后根据完备本征函数展开对椭圆手征波导中的混合模式进行了详细分析,给出具体的场表达式及色散关系.指出在与椭圆结构相关的耦合问题中,不仅存在TE与TM模式之间的耦合,还存在偶型模与奇型模式的耦合.通过数值计算对椭圆离心率以及手征导纳对色散特性的影响进行了讨论.
英文摘要：
The coupled Helmhotz-type differential equations for a general cylindrical structure containing chiral material were transformed into a pair of decoupled equations, and this new set was solved to find expressions for Ez and Hz with the expansion of the complete eigen functions in elliptical chiralwaveguide. There are no pure TE （TM） or even-type （odd-type） modes existing individually in the elliptical structure if Ez and Hz are coupled with each other. The influences of eccentricity and chiral admittance on dispersion of modes are discussed in this paper.
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