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

H. M. El-Dessouky; C. A. Lawrence; A. M. Voice; E. L.V. Lewis; I. M. Ward

doi:10.1088/1464-4258/9/11/012

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

H. M. El-Dessouky, C. A. Lawrence, A. M. Voice, E. L.V. Lewis, I. M. Ward

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

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 (Δn0) 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.

Original language	English
Pages (from-to)	1041-1047
Number of pages	7
Journal	Journal of Optics A: Pure and Applied Optics
Volume	9
Issue number	11
DOIs	https://doi.org/10.1088/1464-4258/9/11/012
Publication status	Published - 15 Oct 2007
Externally published	Yes

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

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AU - El-Dessouky, H. M.

AU - Lawrence, C. A.

AU - Voice, A. M.

AU - Lewis, E. L.V.

AU - Ward, I. M.

PY - 2007/10/15

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N2 - 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 (Δn0) 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.

AB - 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 (Δn0) 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.

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KW - Birefringence

KW - Cold-drawing

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KW - Interferometry

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

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