Hybrid complete Mueller polarimeter based on phase modulators |
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Authors: | Geminiano Martínez-Ponce Cristina SolanoCarlos Pérez-Barrios |
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Institution: | Centro de Investigaciones en Óptica, Apdo. Postal 1-948, 37000 León, Gto., Mexico |
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Abstract: | Optical properties of matter as diattenuation, retardance and depolarization can be evaluated using polarimetric techniques. In this paper, the analysis and implementation of a complete Mueller polarimeter is presented. The system is constituted of a polarization state generator (PSG) and a polarization state analyzer (PSA), which are controlled and synchronized through a computer program. The PSG comprises a dual liquid crystal variable retarder system while the PSA is based on a two-photoelastic modulator setup. Using air and common polarizing optics as test samples for calibration at 633 nm, the hybrid instrument met a good precision when the Mueller matrices of those optical elements were measured. |
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Keywords: | Phase modulator Polarized light Mueller polarimetry |
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