A new filter in which both circular and linear birefringence are utilized is proposed and theoretically analyzed.
利用圆双折射和线双折射材料设计了一种滤色器，并对它的透射特征进行了理论分析。
2
The structure and properties of flat section and circular polyester filament were studied through measuring birefringence, sonic modulus and work coefficient ect.
对扁平形聚酯纤维和圆形聚酯纤维的结构和性能进行了研究。
3
Such a non-circular shape will alter the birefringence property of the fiber and influence the polarization behavior of the laser.