Detection of the variation of the optical and geometrical parameters of fibres due to the cold drawing process
AA Hamza, TZN Sokkar… - … Science and Technology, 2004 - iopscience.iop.org
A method is described to detect the variation of the refractive index profile, transverse
sectional shapes, areas and mechanical properties of fibres during the cold drawing …
sectional shapes, areas and mechanical properties of fibres during the cold drawing …
Automatic determination of refractive index profile, sectional area, and shape of fibers having regular and/or irregular transverse sections
AA Hamza, TZN Sokkar, MA El-Morsy… - Optics & Laser …, 2008 - Elsevier
A new method based on a mathematical model and a computer program is suggested to
determine the refractive index profile of fibers having regular and/or irregular transverse …
determine the refractive index profile of fibers having regular and/or irregular transverse …
Method for extracting the full-field dispersion data of birefringent objects based on the digital RGB photoelasticity
MI Raslan, TZN Sokkar - JOSA B, 2022 - opg.optica.org
In this paper, we are presenting a new photoelastic pattern analysis technique to find the
point-wise distribution of the dispersion data of birefringent materials. This technique can be …
point-wise distribution of the dispersion data of birefringent materials. This technique can be …
Measurement of the spectral dispersion curves of low birefringence polymer fibres
AA Hamza, AE Belal, TZN Sokkar, MA El-Bakary… - Optics and lasers in …, 2007 - Elsevier
A method is suggested to overcome the difficulties of measuring the spectral dispersion of
low birefringence fibres, that produce small optical path difference, δ< 3λ, where δ is the …
low birefringence fibres, that produce small optical path difference, δ< 3λ, where δ is the …
Interferometric determination of the birefringence of thermo‐tropic polyester fibers and its copolymers of structure (PCPT‐co‐CPO)
AA Hamza, TZN Sokkar… - Journal of applied …, 2012 - Wiley Online Library
The aim of this study is to determine the optical anisotropy of three different samples of
thermo‐tropic polyester fibers of structure Poly (chloro‐1, 4‐phenylene terephthalate‐co‐4 …
thermo‐tropic polyester fibers of structure Poly (chloro‐1, 4‐phenylene terephthalate‐co‐4 …
[HTML][HTML] Investigating the optical properties and molecular structure of PEEK fiber
MA El-Bakary - Egyptian journal of basic and applied sciences, 2016 - Elsevier
The automatic variable wavelength interferometry, VAWI, technique is used to determine the
optical properties of Poly (ether ether ketone), PEEK, highly oriented fiber. The main part of …
optical properties of Poly (ether ether ketone), PEEK, highly oriented fiber. The main part of …
An interferometric method for determining the mean refractive indices of highly birefringent fibres
MA El-Bakary - Optics & Laser Technology, 2010 - Elsevier
An interferometric method with its mathematical derivation is suggested to determine the
mean refractive indices and birefringence of highly birefringent fibres using multiple-beam …
mean refractive indices and birefringence of highly birefringent fibres using multiple-beam …
A proposed method to reconstruct the three‐dimensional dispersion profile of polymeric fibres based on variable wavelength interferometry
AA Hamza, TZN Sokkar… - Journal of …, 2015 - Wiley Online Library
In this paper, we suggest a modification to the conventional variable wavelength
interferometry. This modification allowed us to calculate the dispersion curve of each point …
interferometry. This modification allowed us to calculate the dispersion curve of each point …