Abstract:
In this work, we present the design, optimization and experimental implementation of complete Stokes polarimeters based on parallel aligned and twisted nematic liquid crystal displays. The liquid crystal elements are used as variable retarders whose retardance depends on the addressed voltage. By including this type of anisotropic devices in the polarimeter design we obtain some benefits when compared to mechanical polarimeters. For example, they allow to avoid the corresponding uncertainty due to mechanical movement. In addition, among the different polarimeter configurations provided by the polarimeter design, we have also applied an optimization procedure based on the minimization of different mathematical indicators (as the condition number or the equally weighted variance) in order to minimize the error amplification from the radiometric measurements to the solution. Finally, the optimized polarimeters are experimentally implemented and tested. In the implementation process, the eigenvalues method (a rigorous calibration procedure) is used. © 2010 SPIE.
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Conferencia
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Título: | Complete Stokes polarimeters based on liquid crystal displays |
Autor: | Peinado, A.; Lizana, A.; Vidal, J.; Iemmi, C.; Campos, J. |
Ciudad: | San Diego, CA |
Filiación: | Dept. de Física, Universitat Autònoma de Barcelona, Bellaterra 08193, Spain ALBA Synchrotron Light Source Facility, Cerdanyola del Vallès 08290, Spain Dept. de Física, Universidad de Buenos Aires, Buenos Aires 1428, Argentina
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Palabras clave: | Condition number; Equally weighted variance; LCD; Optimization; Parallel aligned; Polarimeter; Twisted nematic; Variable retarder; Condition numbers; Equally weighted variance; LCD; Parallel aligned; Twisted nematic; Variable retarder; Data processing; Design; Eigenvalues and eigenfunctions; Liquid crystal displays; Liquid crystals; Liquids; Nematic liquid crystals; Number theory; Optimization; Polarimeters |
Año: | 2010
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Volumen: | 7797
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DOI: |
http://dx.doi.org/10.1117/12.860854 |
Título revista: | Optics and Photonics for Information Processing IV
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Título revista abreviado: | Proc SPIE Int Soc Opt Eng
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ISSN: | 0277786X
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CODEN: | PSISD
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0277786X_v7797_n_p_Peinado |
Referencias:
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Citas:
---------- APA ----------
Peinado, A., Lizana, A., Vidal, J., Iemmi, C. & Campos, J.
(2010)
. Complete Stokes polarimeters based on liquid crystal displays. Optics and Photonics for Information Processing IV, 7797.
http://dx.doi.org/10.1117/12.860854---------- CHICAGO ----------
Peinado, A., Lizana, A., Vidal, J., Iemmi, C., Campos, J.
"Complete Stokes polarimeters based on liquid crystal displays"
. Optics and Photonics for Information Processing IV 7797
(2010).
http://dx.doi.org/10.1117/12.860854---------- MLA ----------
Peinado, A., Lizana, A., Vidal, J., Iemmi, C., Campos, J.
"Complete Stokes polarimeters based on liquid crystal displays"
. Optics and Photonics for Information Processing IV, vol. 7797, 2010.
http://dx.doi.org/10.1117/12.860854---------- VANCOUVER ----------
Peinado, A., Lizana, A., Vidal, J., Iemmi, C., Campos, J. Complete Stokes polarimeters based on liquid crystal displays. Proc SPIE Int Soc Opt Eng. 2010;7797.
http://dx.doi.org/10.1117/12.860854