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17 June 2009 Variable waveplate-based polarimeter for polarimetric metrology
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Abstract
Polarimetry is an optical technique currently used in many research fields as biomedicine, polarimetric metrology or material characterization, where the knowledge of the state of polarization of light beams and the polarizing properties of polarizing samples is required. As a consequence, in such as applications it is necessary to use polarimeters which by means of radiomentric measurements, lead to the obtaining of some important polarimetric information. As is known, polarimeters include a state of polarization detector (PSD), which is typically formed by combinations of waveplates and polarizers. Then, intensity measurements corresponding to the projection of the analyzed state of polarization upon different configurations of the PSD used, leads to the determination of the polarimetric properties of light beams. Here, we have studied and optimized a polarimeter based on PSD system containing two electronically variable retardance waveplates. The variable waveplates are based on the Liquid Crystal Display technology, allowing the implementation of a complete polarimeter without mechanical movements.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Alba Peinado, Angel Lizana, Josep Vidal, Claudio Iemmi, Andrés Márquez, Ignacio Moreno, and Juan Campos "Variable waveplate-based polarimeter for polarimetric metrology", Proc. SPIE 7390, Modeling Aspects in Optical Metrology II, 739008 (17 June 2009); https://doi.org/10.1117/12.828045
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