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4 p, 1.8 MB |
Coherent silicon photonic interferometric biosensor with an inexpensive laser source for sensitive label-free immunoassays
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Leuermann, Jonas (Universidad de Málaga. Departamento de Ingeniería de Comunicaciones) ;
Stamenkovic, Vladimir (Universidad de Málaga. Departamento de Química Orgánica) ;
Ramirez Priego, Patricia (Institut Català de Nanociència i Nanotecnologia) ;
Sánchez-Postigo, Alejandro (Universidad de Málaga. Departamento de Ingeniería de Comunicaciones) ;
Fernandez-Gavela, Adrian (Universidad de Oviedo. Departamento de Física) ;
Chapman, Cole A. (University of Michigan. Department of Chemistry) ;
Bailey, Ryan C. (University of Michigan. Department of Chemistry) ;
Lechuga, Laura M (Institut Català de Nanociència i Nanotecnologia) ;
Pérez Inestrosa, Ezequiel (Universidad de Málaga. Departamento de Química Orgánica) ;
Collado, Daniel (Universidad de Málaga. Departamento de Química Orgánica) ;
Halir, Robert (Universidad de Málaga. Departamento de Ingeniería de Comunicaciones) ;
Molina-Fernandez, Iñigo (Universidad de Málaga. Departamento de Ingeniería de Comunicaciones)
Over the past two decades, integrated photonic sensors have been of major interest to the optical biosensor community due to their capability to detect low concentrations of molecules with label-free operation. [...]
2020 - 10.1364/OL.411635
Optics Letters, Vol. 45, issue 24 (Dec. 2020) , p. 6571-6870
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4 p, 361.0 KB |
Conical refraction as a tool for polarization metrology
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Peinado Capdevila, Alba (Universitat Autònoma de Barcelona. Departament de Física) ;
Turpin Avilés, Alejandro (Universitat Autònoma de Barcelona. Departament de Física) ;
Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física) ;
Fernandez Moreno, Estefania (Universitat Autònoma de Barcelona. Departament de Física) ;
Mompart Penina, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ;
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física)
A method for polarization metrology based on the conical refraction (CR) phenomenon, occurring in biaxial crystals, is reported. CR transforms an input Gaussian beam into a light ring whose intensity distribution is linked to the incoming polarization. [...]
2013 - 10.1364/OL.38.004100
Optics letters, Vol. 38, No. 20 (15 October 2013) , p. 4100-4103
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3 p, 124.5 KB |
Spin-induced angular momentum switching
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Fernández Calvo, Gabriel (Universitat Autònoma de Barcelona. Departament de Física) ;
Picón Álvarez, Antonio (Universitat Autònoma de Barcelona. Departament de Física)
When light is transmitted through optically inhomogeneous and anisotropic media the spatial distribution of light can be modified according to its input polarization state. A complete analysis of this process, based on the paraxial approximation, is presented, and we show how it can be exploited to produce a spin-controlled change in the orbital angular momentum of light beams propagating in patterned space-variant optical axis phase plates. [...]
2007 - 10.1364/OL.32.000838
Optics letters, Vol. 32, No. 7 (1 April 2007) , p. 838-840
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3 p, 255.9 KB |
Optical pattern recognition based on color vision models
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Millán García-Varela, M. Sagrario (Universitat Politècnica de Catalunya) ;
Corbalán Fuertes, Montserrat (Universitat Politècnica de Catalunya) ;
Romero, J. (Universidad de Granada. Departamento de Óptica) ;
Yzuel Giménez, María Josefa (Universitat Autònoma de Barcelona. Departament de Física)
A channel transformation based on opponent-color theory of the color vision models is applied to optical pattern recognition so that the conventional red, green, and blue (RGB) channels are transformed into bright-dark, red-green, and yellow-blue (ATD) channels. [...]
1995 - 10.1364/OL.20.001722
Optics letters, Vol. 20, No. 16 (15 August 1995) , p. 1722-1724
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3 p, 286.8 KB |
Combined Mueller and Jones matrix method for the evaluation of the complex modulation in a liquid-crystal-on-silicon display
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Moreno, Ignacio (Universidad Miguel Hernández de Elche. Departamento de Ciencia de Materiales, Óptica y Tecnología Electrónica) ;
Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física) ;
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física) ;
Márquez Ruiz, Andrés (Universitat d'Alacant. Departament de Física, Enginyeria de Sistemes i Teoria de la Senyal) ;
Iemmi, Claudio (Universidad de Buenos Aires. Departamento de Física) ;
Yzuel Giménez, María Josefa (Universitat Autònoma de Barcelona. Departament de Física)
We apply the polar decomposition of the Mueller matrix describing a liquid-crystal-on-silicon display to identify the diattenuator, depolarizer, and retarder contributions as a function of the gray level. [...]
2008 - 10.1364/OL.33.000627
Optics letters, Vol. 33, No. 6 (15 March 2008) , p. 627-629
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