Numerical results show that the modal birefringence of10 ~ (-5) is obtained even under the weakly-guiding condition.
数字结果表明，即使在弱导引条件下也可获得10 ~(- 5)模式双折射。
The effects of the stress domain structure of the fiber on stress birefringence and modal birefringence are investigated and compared .
分析了光纤应力区结构对纤芯双折射大小和均匀性的影响，并将应力诱导双折射与模式理论计算结果进行了比较。
This fiber's polarization modes, transmitting constants and modal birefringence were computed by the full vector finite element method.
应用全矢量电磁场有限元方法，计算了保偏光纤的两个偏振模场的分布、传输常数及模式双折射。
The modal birefringence can attain the order of 10-3 that is at least one order of magnitude higher than that of conventional elliptical polarization-maintaining fibers.
模式双折射可达10-3量级，该数值比传统椭圆保偏光纤至少高一个量级；
The influences of the structures of elliptical core Photonic Crystal Fibers with elliptical pores on the modal birefringence are investigated by using the full-vectorial finite elements method.
采用全矢量有限元法分析了椭圆孔椭圆芯光子晶体光纤的结构对模式双折射的影响。
The numerical results show that the modal birefringence of near_rectangle core PCF is at least one order of magnitude higher than the conventional elliptical polarization_maintaining fibers (PMFs).
研究表明：类矩形芯光子晶体光纤的模式双折射比普通椭圆保偏光纤至少高一个数量级。
The normalized birefringence and modal dispersion as functions of normalized frequency for different aspect ratios are presented and compared with Guassian approximation.
文章比较了多模光纤和塑料光纤的结构参数和模式数量，并对大量的模式色散会严重限制光纤的带宽作了分析。
The normalized birefringence and modal dispersion as functions of normalized frequency for different aspect ratios are presented and compared with Guassian approximation.
文章比较了多模光纤和塑料光纤的结构参数和模式数量，并对大量的模式色散会严重限制光纤的带宽作了分析。
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