Comparison of Is/I0 with TEY/I0, F/I0 and A, at the Cu L2,3 and Ba M4,5 edges indicates that YBa2Cu3O7 (YBCO) 50 nm films scatters the circular components of linearly polarized light in a different way. The YBCO, Ba L2,3 XAS shows indication of Faraday rotation near Tc. Hilbert analysis of data was done.
Juana Acrivos, H. Sahibudeen, L. Nguyen, M. Navacerrada, J Kortight, and P. Nachimuthu. "ELECTRO-MAGNETIC-optical properties of YBa2Cu3O7 Crystal and 50 nm films on STO-BC 24 DEG GB" Unknown Conference (2005).