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Automatic refractive index profiling of fibers by phase analysis method using Fourier transform

✍ Scribed by M.A. El-Morsy; T. Yatagai; A.A. Hamza; M.A. Mabrouk; T.Z.N. Sokkar

Book ID
108401933
Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
445 KB
Volume
38
Category
Article
ISSN
0143-8166

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## Abstract In this article the Fourier transform method is applied to analyze multiple‐beam interference Fizeau fringes. The real part of the inverse Fourier transform is used to estimate a theoretical pattern. This pattern coincides with the experimental one. A derivative‐sign binary image of the