Influence of temperature on the optical and structural properties along the diameter of: I. Polymer fibres

被引:11
|
作者
Hamza, AA [1 ]
Sokkar, TZN [1 ]
El-Farahaty, KA [1 ]
El-Dessouky, HM [1 ]
机构
[1] Mansoura Univ, Fac Sci, Dept Phys, Mansoura 35516, Egypt
关键词
D O I
10.1088/0953-8984/11/27/309
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
A modified heating device connected to a wedge interferometer is designed to study the influence of temperature on the optical and structural properties along the diameter of undrawn polypropylene fibres. To determine the optical orientation function profile, a model that divides the circular cross section into very small circular zones is suggested. The refractive indices and optical orientation function of each zone are considered assuming there is a constant fully oriented birefringence throughout the fibre. This investigation provides useful information about the structural properties of polypropylene fibres and throws light on its opto-thermal behaviour. The investigation is carried out using multiple-beam interference Fizeau fringes in transmission. Microinterferograms are given for illustration.
引用
收藏
页码:5331 / 5341
页数:11
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