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。
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。
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