An Analysis of Fizeau Fringes Crossing a Fiber of Nearly Triangular Cross-Section | ||||
Egyptian Journal of Solids | ||||
Article 5, Volume 34, Issue 2, 2011, Page 50-67 PDF (556.95 K) | ||||
DOI: 10.21608/ejs.2011.148871 | ||||
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Abstract | ||||
Theoretical and experimental treatments of the shape of Fizeau fringes crossing a fiber of nearly triangular shaped cross-section assumed to consist of a single medium are presented. A new mathematical expression is derived and used to estimate the refractive indices and birefringence of nylon 6 (polycaprolactam). The resulting data are used to calculate the volume polarizabilities per unit. Cauchy’s dispersion constants, the isotropic refractive indices and the variation of refractive indices due to annealing process. Also other optical parameters obtained are calculated. Illustrations are given using micro-interferograms and curves. | ||||
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