Multispectral Holographic Intensity and Phase Imaging of Semitransparent Ultrathin Films
Sebastian Haegele,
Daniel Martínez-Cercós,
Javier Arrés Chillón
et al.
Abstract:In this paper, we demonstrate a novel optical characterization method for ultrathin semitransparent and absorbing materials through multispectral intensity and phase imaging. The method is based on a lateral-shearing interferometric microscopy (LIM) technique, where phase-shifting allows extraction of both the intensity and the phase of transmitted optical fields. To demonstrate the performance in characterizing semitransparent thin films, we fabricated and measured cupric oxide (CuO) seeded gold ultrathin met… Show more
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