The spectral dispersion curves of highly oriented fibres

被引：8
|
作者：
Hamza, AA [1 ]
Fouda, IM [1 ]
Sokkar, TZN [1 ]
El-Bakary, MA [1 ]
机构：
[1] Mansoura Univ, Fac Sci, Dept Phys, Mansoura 35516, Egypt
来源：
POLYMER TESTING | 2001年 / 20卷 / 08期
关键词：
variable wavelength interferometry; highly oriented fibres; molecular orientation; dispersion;
D O I：
10.1016/S0142-9418(01)00011-3
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Spectral dispersion curves of the refractive indices and birefringence of highly oriented fibres [poly(ethylene 2,6-naphthalene-dicarboxylate) (1000 denier/248 filaments, PEN-Q50M4; PEN), poly(ethylene terephthalate) (PET), Seun yarn (theta-aramid fibres, Teijin Japan; CONEX) and Technora T-240 (1000 denier/667 filaments aramid fibres, Teijin Japan; TECHNORA)] have investigated using the automatic variable-wavelength interferometric (VAWI) technique. This technique is especially recommended for measuring the refractive indices of highly oriented fibres. The polarizabilities per unit volume are calculated for these fibres and the molecular orientation function of PEN and PET are determined. Micro interferograms are given for illustration. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：847 / 853
页数：7
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