Journal ArticleDOI
Interferometric determination of the refractive index of optical fiber cladding and an examination of its homogeneity
TLDR
In this article, the refractive index of optical fiber cladding has been measured to an accuracy of 1×10−4 using multiple-beam Fizeau fringes, and the interferometric method has been also used as a control on the process of cladding production.Abstract:
The refractive index of optical fiber cladding has been measured to an accuracy of 1×10−4 using multiple‐beam Fizeau fringes. The interferometric method has been also used as a control on the process of cladding production by examining the homogeneity of fiber cladding.read more
Citations
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Journal ArticleDOI
Characterization of optical fibers by two- and multiple-beam interferometry
TL;DR: In this paper, the theoretical and experimental considerations of the transverse two-and multiple-beam Fizeau fringes techniques used to resolve and infer the structure and the index profiles of the optical fibers with high index and spatial resolution are discussed.
Journal ArticleDOI
Interferometric determination of induced birefringence due to bending in single-mode optical fibres
TL;DR: In this article, multiple beam Fizeau fringes in transmission have been used to demonstrate and to measure the radial change of the refractive index and the related induced birefringence in the cladding of bent singlemode fibres to an accuracy of.
Journal ArticleDOI
Multiple-beam interferometric determination of Poisson’s ratio and strain distribution profiles along the cross section of bent single-mode optical fibers
TL;DR: Studying bent fibers by application of Fizeau fringes interferometry provides a nondestructive, accurate, sensitive, and reliable method to measure their parameters and characteristics.
Journal ArticleDOI
Theory and measurement of Young’s modulus radial profiles of bent single-mode optical fibers with the multiple-beam interference technique
TL;DR: The present study yields a relation between the variation of refractive indices of bent single-mode fibers, represented by the fringe shift, and the nonlinear radial change of Young's modulus along the fiber cross section.
Journal ArticleDOI
Application of Fizeau fringes with bending technique to determine the shear modulus of the cladding material of single-mode optical fibers through the mechanically induced change of refractive index
TL;DR: In this article, the radial profiles of the shear modulus of the cladding material of a single-mode optical fiber have been determined interferometrically by applying the forward scattering technique.
References
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Journal ArticleDOI
Interferometric Studies of Fibers: Part II: Interferometric Determination of the Refractive Indices and Birefringence of Acrylic Fibers
N. Barakat,H.A. El-Hennawi +1 more
TL;DR: In this article, the principal refractive indices for light vibrating parallel and perpendicular to the fiber axis and the birefringence for Acrilan® have been carried out.
Journal ArticleDOI
Interferometric determination of optical properties of fibres with irregular transverse sections and having a skin-core structure
TL;DR: In this paper, mathematical expressions have been derived for the values of refractive indices and birefringence of two samples of nylon-6 fibres with irregular transverse sections having a skin-core structure.
Journal ArticleDOI
Production of Polyethylene Fibers and their Optical Properties and Radial Differences in Orientation
TL;DR: In this article, the diameter of polyethelene fibers was measured from the forward scattering of a He-Ne laser beam at 632.8 mm using the Becke line method.
Journal ArticleDOI
Birefringence Measurements on Circular Cylindrical Polyethylene Fibers of Multiple Skin
TL;DR: In this paper, the principal refractive indices of polyethylene fiber were calculated using a mathematical formulation of multiplebeam Fizeau fringes crossing a core surrounded by multiple skin.