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Documentos disponibles de esta editorial (34)
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An undergraduate experiment is proposed to facilitate the understanding of the basic principles related to radar systems and signal analysis. A Doppler-effect radar has been installed and used to measure the velocities of a target under differen[...]texto impreso
We provide a simple theoretical study of beams non-uniformly polarized across their transverse sections which can be introduced in undergraduate optics courses. In order to generate such beams we propose to use a slightly convergent (or divergen[...]texto impreso
Piquero Sanz, Gemma María ; Martínez Herrero, Rosario ; Mejías Arias, Pedro Miguel | IOP Publishing Ltd. | 2004-03On the basis of the second-order intensity moments formalism, the relationship between the spatial structure and the overall polarization characteristics of partially polarized Gaussian Schell-model beams of a certain kind has been investigated.[...]texto impreso
We consider Fresnel and Fraunhofer diffraction on regular structures generated by multiplicative iterative procedures. We prove that the iterative procedure of field construction is preserved during Fresnel diffraction, while the initiator of th[...]texto impreso
Piquero Sanz, Gemma María ; Santarsiero, Massimo ; Gori, Franco ; Borghi, Riccardo | IOP Publishing Ltd. | 2001-01We consider a class of beams that are both partially polarized and partially coherent from the spatial standpoint. They are characterized by a correlation matrix whose elements have the same form as the mutual intensity of a Gaussian Schell-mode[...]texto impreso
Niu, Yue ; Frisenda, Riccardo ; Svatek, Simon A. ; Orfila, Gloria ; Gallego, Fernando ; Gant, Patricia ; Agrait, Nicolás ; León Yebra, Carlos ; Rivera Calzada, Alberto Carlos ; Pérez de Lara, David ; Santamaría Sánchez-Barriga, Jacobo ; Castellanos Gómez, Andrés | IOP Publishing Ltd. | 2017-09The fabrication of artificial materials by stacking of individual two-dimensional (2D) materials is amongst one of the most promising research avenues in the field of 2D materials. Moreover, this strategy to fabricate new man-made materials can [...]texto impreso
The research into new photosensitive materials with advanced performance for holographic applications is an active branch in material science and photonics, still challenging the field. We proposed a new class of volume hologram recording materi[...]texto impreso
Cox, Joel D. ; Singh, Mahi R. ; Antón Revilla, Miguel Ángel ; Carreño Sánchez, Fernando | IOP Publishing Ltd. | 2013-08-29Nonlinear two-photon absorption in a quantum dot–graphene nanoflake nanocomposite system has been investigated. An external laser field is applied to the nanocomposite to simultaneously observe two-photon processes in the quantum dot and excite [...]texto impreso
Regularized phase tracking technique for demodulation of isochromatics from a single tricolour image
Quiroga Mellado, Juan Antonio ; Servín Guirado, Manuel ; Marroquín Zaleta, José Luis | IOP Publishing Ltd. | 2002-01In this work we propose a robust fringe demodulation technique applied to the analysis of tricolour isochromatic fringe patterns produced in photoelasticity. The method used is a regularized phase tracking (RPT) algorithm, which takes into accou[...]texto impreso
Mukamel, Shaul ; Freyberger, Matthias ; Schleich, Wolfgang ; Sánchez Soto, Luis Lorenzo ; otros, ... | IOP Publishing Ltd. | 2020-04-14Conventional spectroscopy uses classical light to detect matter properties through the variation of its response with frequencies or time delays. Quantum light opens up new avenues for spectroscopy by utilizing parameters of the quantum state of[...]texto impreso
A composite system consisting of two identical ideal gases separated by a movable, frictionless, diathermic piston is used to illustrate the application of different extremum principles in thermodynamics. The time evolution of the system from an[...]texto impreso
An application of multigrid techniques for the separation of principal stresses in plane stress systems is presented. By establishing the equilibrium equations and determining the value of shear from photoelastic data a system of partial differe[...]texto impreso
Klimov, A. B. ; Seyfarth, Ulrich ; de Guise, Hubert ; Sánchez Soto, Luis Lorenzo | IOP Publishing Ltd. | 2021-01-18We propose a practical recipe to compute the s-parametrized maps for systems with SU(1, 1) symmetry using a connection between the Q- and P-symbols through the action of an operator invariant under the group. This establishes equivalence relatio[...]texto impreso
Martínez Matos, Óscar ; Torchia, Gustavo Adrián ; Vaveliuk, Pablo ; Bilmes, Gabriel M. ; Tocho, Jorge Omar | IOP Publishing Ltd. | 2002-03Spontaneous noncollinear second harmonic generation in potassium dihydrogen phosphate (KDP) crystals was studied theoretically and experimentally as a function of the scattering centres on the surface of the crystal. A model that explains the ma[...]texto impreso
We have applied the recently developed theory of topological Uhlmann numbers to a representative model of a topological insulator in two dimensions, the Qi-Wu-Zhang model. We have found a stable symmetry-protected topological phase under externa[...]