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http://hdl.handle.net/20.500.12358/26424
TitleAn improvement of scanning ellipsometer by rotating a polarizer and an analyzer at a speed ratio of 1: 3
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Abstract

We propose theoretically an improved spectroscopic ellipsometer to study the optical properties of solids. In this system, the polarizer and the analyzer are rotating synchronously in the same direction at a speed ratio 1:3. The light intensity received by the detector contains six Fourier coefficients, one dc and five ac. One can independently extract the ellipsometric parameters as well as the optical constants of a sample using any of six different sets of the Fourier coefficients. A comparison among these sets is presented to find the optimal set corresponding to the minimum percent error in the calculation of the real and imaginary parts of the dielectric function. The results from the simulated spectra of the complex refractive index of c-Si, ZnSe, and GaP are presented.

Authors
El-Agez, Taher M.
Taya, Sofyan A.
El Tayyan, Ahmed A.
TypeJournal Article
Date2011
Published inInternational Journal of Optomechatronics
SeriesVolume: 5, Number: 1
PublisherTaylor & Francis Group
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  • Staff Publications- Faculty of Science [1030]
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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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