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Experimental Instruments » SGC-1A Ellipsometer
Introduction
This is a manually experimental demonstrator of Ellipsometer. An input beam of random polarization is firstly transferred to a linear polarized beam by passing a polarizer. It is then transferred to an elliptical polarized beam using a quarter wave plate and incidents on the film of the sample to be measured. The polarization status of the reflected beam from the film will be altered. The optical parameters, thickness and refractive indices, of the measured film can be calculated by the analysis of the polarization changes. Student will gain knowledge about working principle of Ellipsometer and grasp operation skills of the instrument.
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