In this paper, the birefringence method and its practical USES for measurement of orientation degrees of Polyethylene monofilaments have been investigated.
本文研究了双折射法测定聚乙烯挤出单丝取向度的方法与实际应用。
In this paper we study the structure of panda fibers how to effect the birefringence (beat length) by an infinitesimal element method.
本文用微元算法研究了熊猫光纤的结构参量对熊猫光纤双折射特性(拍长)的影响。
A method for proving crystal birefringence is presented. Thepolarization state of monochromatic plane electromagnetic wave is obtained for intermediate category.
给出了一种证明晶体双折射的方法，并求得单色平面电磁波在中级晶体中的偏振态。
Senarmont's method is one of most commonly used methods in measuring fibre birefringence.
纤维双折射的测量有许多方法，但萨那蒙法是最常用方法之一。
For the study of birefringence dispersion character of other aeolotropic crystal material, this method can also be applied.
此方法对其它各向异性晶体材料的双折射率色散特性的研究同样适应。
In this paper, we study theoretically infinitesimal element method for calculation of stress birefringence in polarization maintaining fibers.
本文研究了计算保偏光纤中应力双折射特性的微元算法，对其计算值进行了理论验证。
The method of measuring out quartz crystal's birefringence dispersion character through polarization interference and processing correlated data was introduced.
介绍了偏光干涉测量石英晶体双折射率色散特性及其相关数据处理方法。
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 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 refractive indices at 12 wave lengths in the visible region were measured with the minimum deviation method, showing that KABO is a negative uniaxial optical crystal with moderate birefringence.
用最小偏离法测试了可见光区十二个波段处的晶体折射率，结果表明KABO晶体属负单轴晶，具有适中的双折射率。
Based on the coupled-mode theory, a simple method to distinguish circular-birefringence fibers is presented.
基于耦合模理论，提出一种判别圆双折射光纤的简易方法。
Based on the coupled-mode theory, a simple method to distinguish circular-birefringence fibers is presented.
基于耦合模理论，提出一种判别圆双折射光纤的简易方法。
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