1.
|
11 p, 2.7 MB |
Connecting the microscopic depolarizing origin of samples with macroscopic measures of the Indices of Polarimetric Purity
/
Canabal-Carbia, Mónica (Universitat Autònoma de Barcelona. Departament de Física) ;
Estévez, Irene (Universitat Autònoma de Barcelona. Departament de Física) ;
Nabadda, Esther (Universidad Miguel Hernández de Elche. Instituto de Bioingeniería) ;
Garcia-Caurel, Enrique (Institut Polytechnique de Paris) ;
Gil, J. J. (Universidad de Zaragoza. Departamento de Física Aplicada) ;
Ossikovski, Razvigor (Institut Polytechnique de Paris) ;
Márquez Ruiz, Andrés (Universitat d'Alacant. Departament de Física, Enginyeria de Sistemes i Teoria de la Senyal) ;
Moreno, Ignacio (Universidad Miguel Hernández de Elche. Instituto de Bioingeniería) ;
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física) ;
Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física)
In this work we show how a specific set of three depolarizing observables, the Indices of Polarimetric Purity (IPP), P1, P2 and P3, are ideal metrics to study the depolarization characteristic of media. [...]
2024 - 10.1016/j.optlaseng.2023.107830
Optics and Lasers in Engineering, Vol. 172 (January 2024) , art. 107830
|
|
2.
|
16 p, 3.6 MB |
Polarimetric observables for the enhanced visualization of plant diseases
/
Rodríguez, Carla (Universitat Autònoma de Barcelona. Departament de Física) ;
Garcia-Caurel, Enrique (Institut Polytechnique de Paris) ;
Garnatje, Teresa (Institut Botànic de Barcelona) ;
Serra i Ribas, Mireia (Universitat Autònoma de Barcelona. Departament de Física) ;
Luque, Jordi (Institut de Recerca i Tecnologia Agroalimentàries) ;
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física) ;
Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física)
This paper highlights the potential of using polarimetric methods for the inspection of plant diseased tissues. We show how depolarizing observables are a suitable tool for the accurate discrimination between healthy and diseased tissues due to the pathogen infection of plant samples. [...]
2022 - 10.1038/s41598-022-19088-6
Scientific reports, Vol. 12 (August 2022) , art. 14743
|
|
3.
|
13 p, 3.5 MB |
Customized depolarization spatial patterns with dynamic retardance functions
/
Marco, David (Universidad Miguel Hernández de Elche) ;
López-Morales, Guadalupe (Universidad Miguel Hernández de Elche) ;
Sánchez-López, María del Mar (Universidad Miguel Hernández de Elche) ;
Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física) ;
Moreno, Ignacio (Universidad Miguel Hernández de Elche) ;
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física)
In this work we demonstrate customized depolarization spatial patterns by imaging a dynamical time-dependent pixelated retarder. A proof-of-concept of the proposed method is presented, where a liquid-crystal spatial light modulator is used as a spatial retarder that emulates a controlled spatially variant depolarizing sample by addressing a time-dependent phase pattern. [...]
2021 - 10.1038/s41598-021-88515-x
Scientific reports, Vol. 11 (May 2021) , art. 9415
|
|
4.
|
12 p, 1.8 MB |
Polarimetric imaging microscopy for advanced inspection of vegetal tissues
/
Van Eeckhout, Albert (Universitat Autònoma de Barcelona. Departament de Física) ;
Garcia-Caurel, Enrique (Institut Polytechnique de Paris) ;
Garnatje, Teresa (Institut Botànic de Barcelona) ;
Escalera Merino, Juan Carlos (Universitat Autònoma de Barcelona. Departament de Física) ;
Durfort, Mercè (Universitat de Barcelona) ;
Vidal, Josep (Universitat Autònoma de Barcelona. Departament de Física) ;
Gil Pérez, José Jorge (University of Zaragoza) ;
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física) ;
Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física)
Optical microscopy techniques for plant inspection benefit from the fact that at least one of the multiple properties of light (intensity, phase, wavelength, polarization) may be modified by vegetal tissues. [...]
2021 - 10.1038/s41598-021-83421-8
Scientific reports, Vol. 11 (February 2021) , art. 3913
|
|
5.
|
19 p, 2.5 MB |
Depolarizing metrics for plant samples imaging
/
Van Eeckhout, Albert (Universitat Autònoma de Barcelona. Departament de Física) ;
Garcia-Caurel, Enric (Centre National de la Recherche Scientifique. Université Paris-Saclay. Ecole Polytechnique (France)) ;
Garnatje, Teresa (Institut Botànic de Barcelona) ;
Durfort, Mercè (Universitat de Barcelona. Departament de Biologia Cel·lular, Fisiologia i Immunologia) ;
Escalera Merino, Juan Carlos (Universitat Autònoma de Barcelona. Departament de Física) ;
Vidal Gonzalez, Josep (Universitat Autònoma de Barcelona. Departament de Física) ;
Gil Pérez, José Jorge (Universidad de Zaragoza) ;
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física) ;
Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física)
Optical methods, as fluorescence microscopy or hyperspectral imaging, are commonly used for plants visualization and characterization. Another powerful collection of optical techniques is the so-called polarimetry, widely used to enhance image contrast in multiple applications. [...]
2019 - 10.1371/journal.pone.0213909
PloS one, Vol. 14, Issue 3 (March 2019) , p. e0213909
|
|
6.
|
10 p, 1.5 MB |
Generation of reconfigurable optical traps for microparticles spatial manipulation through dynamic split lens inspired light structures
/
Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física) ;
Zhang, Haolin (Universitat Autònoma de Barcelona. Departament de Física) ;
Turpin, Alex (University of Glasgow. School of Physics and Astronomy) ;
Van Eeckhout, Albert (Universitat Autònoma de Barcelona. Departament de Física) ;
Torres Ruiz, Fabian A. (Universidad de la Frontera (Chile)) ;
Vargas, Asticio (Universidad de La Frontera. Departamento de Ciencias Físicas) ;
Ramirez, Claudio (Universitat Autònoma de Barcelona. Departament de Física) ;
Pi Vila, Francesc (Universitat Autònoma de Barcelona. Departament de Física) ;
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física)
We present an experimental method, based on the use of dynamic split-lens configurations, useful for the trapping and spatial control of microparticles through the photophoretic force. In particular, the concept of Split- lens configurations is exploited to experimentally create customized and reconfigurable three-dimensional light structures, in which carbon coated glass microspheres, with sizes in a range of 63-75 pm, can be captured. [...]
2018 - 10.1038/s41598-018-29540-1
Scientific reports, Vol. 8 (2018) , art. 11263
|
|
7.
|
11 p, 5.5 MB |
Dual polarization split lenses
/
Cofré, Aarón (Universidad Miguel Hernández de Elche. Departamento de Ciencia de Materiales, Óptica y Tecnología Electrónica) ;
Vargas, Asticio (Universidad de La Frontera. Departamento de Ciencias Físicas) ;
Torres Ruiz, Fabian A. (Universidad de La Frontera. Departamento de Ciencias Físicas) ;
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física) ;
Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física) ;
Sánchez-López, María M. (Universidad Miguel Hernández de Elche. Departamento de Física y Arquitectura de Computadores) ;
Moreno, Ignacio (Universidad Miguel Hernández de Elche. Departamento de Ciencia de Materiales, Óptica y Tecnología Electrónica)
We report the realization of polarization sensitive split lens configurations. While split lenses can be used to easily generate different types of controlled structured light patterns, their realization has been limited so far to scalar beams. [...]
2017 - 10.1364/OE.25.023773
Optics express, Vol. 25, issue 20 (Oct. 2017) , p. 23773-23783
|
|
8.
|
7 p, 780.4 KB |
Analysis, optimization and implementation of a variable retardance based polarimeter
/
Peinado Capdevila, Alba (Universitat Autònoma de Barcelona. Departament de Física) ;
Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física) ;
Vidal González, Josep (ALBA Laboratori de Llum de Sincrotró) ;
Iemmi, Claudio (ALBA Laboratori de Llum de Sincrotró) ;
Márquez Ruiz, Andrés (Universitat d'Alacant) ;
Moreno, Ignacio (Universitat d'Alacant) ;
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física)
We present a comprehensive analysis, optimization and implementation of a Stokes polarimeter based on two liquid crystals acting as variable retarders. For the optimization process, the Conditional Number or the Equally Weighted Variance indicators are applied and compared as a function of different number of polarization analyzers. [...]
2010 - 10.1051/epjconf/20100506008
EPJ Web of Conferences, Vol. 5 (June 2010) , art. 06008
|
|
9.
|
19 p, 5.2 MB |
Microparticle manipulation and imaging through a self-calibrated liquid crystal on silicon display
/
Zhang, Haolin (Universitat Autònoma de Barcelona. Departament de Física) ;
Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física) ;
Van Eeckhout, Albert (Universitat Autònoma de Barcelona. Departament de Física) ;
Turpin, Alex (University of Glasgow. School of Physics and Astronomy) ;
Ramirez, Claudio (Universitat Autònoma de Barcelona. Departament de Física) ;
Iemmi, Claudio (Universidad de Buenos Aires. Departamento de Física) ;
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física)
We present in this paper a revision of three different methods we conceived in the framework of liquid crystal on silicon (LCoS) display optimization and application. We preliminarily demonstrate an LCoS self-calibration technique, from which we can perform a complete LCoS characterization. [...]
2018 - 10.3390/app8112310
Applied sciences (Basel), Vol. 8, Núm. 11 (November 2018) , art. 2310
|
|
10.
|
13 p, 5.6 MB |
Dynamic microparticle manipulation through light structures generated by a self-calibrated Liquid Crystal on Silicon display
/
Zhang, Haolin (Universitat Autònoma de Barcelona. Departament de Física) ;
Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física) ;
Van Eeckhout, Albert (Universitat Autònoma de Barcelona. Departament de Física) ;
Turpin Avilés, Alejandro (Center of Advanced European Studies and Research (Germany)) ;
Iemmi, Claudio (Universidad de Buenos Aires) ;
Márquez Ruiz, Andrés (Universitat d'Alacant) ;
Moreno, Ignacio (Universidad Miguel Hernández de Elche) ;
Torres Ruiz, Fabian A. (Universidad de la Frontera (Chile)) ;
Vargas, Asticio (Universidad de la Frontera (Chile)) ;
Pi Vila, Francesc (Universitat Autònoma de Barcelona. Departament de Física) ;
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física)
This paper is devoted to investigate the application of different dynamic light structures generated by a self-calibrated Liquid Crystal on Silicon (LCoS) display for microparticle manipulation. Two major studies based on implementing different DOEs, to thoroughly characterize the LCoS display and to achieve optical-inspired particle manipulation, are proposed, respectively. [...]
2018 - 10.1117/12.2309385
Proceedings of SPIE, Vol. 10677, (May 2018)
|
|