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M. A. M. El-Morsy,H. H. Wahba 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.5
The automatic multiple-beam Fizeau fringes technique with the aid of the slabs model is used to characterize the macroscopic and microscopic optical parameters of the bent optical fibre cladding. The contour line of the interferogram is obtained using one dimensional Fourier transform. The used mathematical expressions based on the consideration of refraction of the beam through the liquid/bent fibre interface. The refractive index profile, the induced birefringence profile and the dispersions are studied along the cladding diameter. The influences of the dispersion parameters such as the oscillation energy E_0 and the dispersion energy Ed for the optical fibre cladding due to bending are investigated. Also the variation occurred in the molecular Polarizability and corresponding parameters are illustrated.