Variation of optical polarization in reflected light by redistribution of electric charge in metals

Jose G. Suarez-Romero; Eduardo Hernandez-Gomez; Juan B. Hurtado-Ramos

doi:10.1117/12.894143

27 September 2011 Variation of optical polarization in reflected light by redistribution of electric charge in metals

Jose G. Suarez-Romero, Eduardo Hernandez-Gomez, Juan B. Hurtado-Ramos

Proceedings Volume 8129, Novel Optical Systems Design and Optimization XIV; 81290O (2011) https://doi.org/10.1117/12.894143
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

In this work, the observation of phase delay changes between parallel and perpendicular components of an optical beam reflected on a metal surface is reported. Those changes have been induced by electrically charging a metal with static charge. A quasimonochromatic lineally polarized beam is directed to a piece of steel where the beam is reflected, the polarization of the reflected beam is in general elliptical. The module of each polarization component and their difference of phase are measured with an ellipsometer. For the experiments we have started by making ellipsometry measurements on a grounded steel sample, then a second measurement has been carried out on the same sample after inducing electrostatic charge, results indicate a rotation of the elliptical polarization in the beam reflected on the electrically charged sample.

Citation Download Citation

Jose G. Suarez-Romero, Eduardo Hernandez-Gomez, and Juan B. Hurtado-Ramos "Variation of optical polarization in reflected light by redistribution of electric charge in metals", Proc. SPIE 8129, Novel Optical Systems Design and Optimization XIV, 81290O (27 September 2011); https://doi.org/10.1117/12.894143

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