Abstract

In this Letter, we propose a novel type of spectroscopic ellipsometer, named spatially phase-retarded spectroscopic ellipsometry (SPARSE), based on the spatial polarization distribution opposed to the temporal polarization changes. SPARSE can collect all information necessary to characterize film structures with a single image acquisition, and it has the benefit of real-time measurements. For the verification, feasible experiments with single film-layered certificated reference materials and multi-layered film specimens were carried out.

© 2017 Optical Society of America

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