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|Title||A spectroscopic ellipsometer using rotating polarizer and analyzer at a speed ratio 1: 1 and a compensator|
Ellipsometers have been widely used in thin film characterization. They have shown a high degree of accuracy. We here propose theoretically a rotating polarizer and analyzer ellipsometer at a speed ratio 1:1 with a fixed compensator placed just after the rotating polarizer. Our calculations of the optical properties of c-Si and SiO reveal a substantial decrease in the percent error due to the fixed compensator. The uncertainties in the ellipsometric parameters as functions of the uncertainties of the Fourier coefficients are presented in details.
|Published in||Optical and Quantum Electronics|
|Series||Volume: 46, Number: 7|
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