La. Kuzik et Va. Yakovlev, INTERFEROMETRIC MEASUREMENTS OF PHASE-SHIFT IN THE IR REFLECTION-ABSORPTION SPECTROSCOPY, Journal of electron spectroscopy and related phenomena, 64-5, 1993, pp. 155-157
In the beam diffracted on the slit above the metal surface spectral in
terference patterns were observed. From such patterns measured at diff
erent geometries and for two polarizations the phase shifts for p- and
s-polarized radiation after reflection can be calculated.