An interferometric prediction of the intrinsic optical properties for cold-drawn iPP, PTFE and PVDF fibres

Interference polarizing (Pluta and Interphako) microscopes have been used to measure the birefringence and refractive indices during the cold-drawing of isotactic poly(propylene) (iPP), poly(tetrafluoroethylene) (PTFE) and poly(vinylidene fluoride) (PVDF) fibres. The intrinsic birefringence (Deltan0...

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Bibliographic Details
Published in:Journal of optics. A, Pure and applied optics Pure and applied optics, 2007-11, Vol.9 (11), p.1041-1047
Main Authors: El-Dessouky, H M, Lawrence, C A, Voice, A M, Lewis, E L V, Ward, I M
Format: Article
Language:English
Subjects:
Birefringence
Exact sciences and technology
Fabrication. Testing and measurement of fiber parameters
Fiber optics
Fundamental areas of phenomenology (including applications)
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Interferometers
Optical instruments, equipment and techniques
Optics
Physics
Wave optics
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Summary:Interference polarizing (Pluta and Interphako) microscopes have been used to measure the birefringence and refractive indices during the cold-drawing of isotactic poly(propylene) (iPP), poly(tetrafluoroethylene) (PTFE) and poly(vinylidene fluoride) (PVDF) fibres. The intrinsic birefringence (Deltan0) and refractive indices (niso, and ) of iPP, PTFE and PVDF fibres were interferometrically predicted using affine and pseudo-affine models. In terms of these intrinsic values, a new way of calculating the orientation parameter is discussed. A selection of microinterferograms is given for illustration.
ISSN:1464-4258
1741-3567
DOI:10.1088/1464-4258/9/11/012