Artículo
Optimized Stokes polarimeters based on a single twisted nematic liquid-crystal device for the minimization of noise propagation
Fecha de publicación:
10/2011
Editorial:
Optical Society of America
Revista:
Applied Optics
ISSN:
1539-4522
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
This work evidences the suitability of applying a single twisted nematic liquid-crystal (TN-LC) device to obtain dynamic polarimeters with high accuracy and repeatability. Different Stokes polarimeter setups based on a TN-LC device are optimized, leading to the minimization of the noise propagated from intensity measurements to the Stokes vector calculations. To this aim, we revise the influence of working out of normal incidence and of performing a double pass of the light beam through the LC device. In addition, because transmissive TN-LC devices act as elliptical retarders, an extra study is performed. It analyzes the influence of projecting the light exiting from the TN-LC device over elliptical states of polarization. Finally, diverse optimized polarimeters are experimentally implemented and validated by measuring different states of partially and fully polarized light. The analysis is conducted both for monochromatic (He-Ne laser) and LED light sources, proving the potential of polarimeters based on a single TN-LC device.
Palabras clave:
Polarimetry
,
Ellipsometry And Polarimetry
,
Liquid Crystal Devices
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Articulos(OCA CIUDAD UNIVERSITARIA)
Articulos de OFICINA DE COORDINACION ADMINISTRATIVA CIUDAD UNIVERSITARIA
Articulos de OFICINA DE COORDINACION ADMINISTRATIVA CIUDAD UNIVERSITARIA
Citación
Peinado, Alba; Lizana, Ángel; Vidal, Josep; Iemmi, Claudio César; Campos, Juan; Optimized Stokes polarimeters based on a single twisted nematic liquid-crystal device for the minimization of noise propagation; Optical Society of America; Applied Optics; 50; 28; 10-2011; 5437-5445
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