Anisotropy-enhanced depolarization on transparent film/substrate system

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Authors

FRANTA Daniel NEČAS David OHLÍDAL Ivan

Year of publication 2011
Type Article in Periodical
Magazine / Source Thin Solid Films
MU Faculty or unit

Faculty of Science

Citation
Web http://dx.doi.org/10.1016/j.tsf.2010.12.113
Doi http://dx.doi.org/10.1016/j.tsf.2010.12.113
Field Optics, masers and lasers
Keywords anisotropy; depolarization; optical properties; ellipsometry
Description The combination of spectrophotometry and variable-angle spectroscopic ellipsometry is used for the optical characterization of a system consisting of transparent polymer film on a transparent polycarbonate substrate. In the region of sample transparency a relatively large depolarization is observed in ellipsometry. This can be explained by the presence of anisotropy in the film or substrate. The possibility of distinguishing between the depolarization enhanced by film and substrate anisotropy is discussed and tested using several models. It is shown that it is not possible to distinguish between these effects.
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