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Autor Calvo Padilla, María Luisa |
Documentos disponibles escritos por este autor (133)
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Cámara, Alejandro ; Alieva, Tatiana Krasheninnikova ; Rodrigo Martín-Romo, José Augusto ; Calvo Padilla, María Luisa | Society of Photo-Optical Instrumentation Engineers (SPIE) | 2011The application of partially coherent optical beams for imaging, free space communication, random medium analysis requires controlling its mutual intensity. This task can be done using the phase-space tomography method consisting on the reconstr[...]![]()
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Rodríguez, E. E. ; Zúñiga, H. J. ; Tepichín Rodríguez, Eduardo ; Calvo Padilla, María Luisa | American Institute of Physics (AIP) | 2008A programmable digital circuit typically consists of a microprocessor, a memory device, an input data device and an output data device, with its corresponding communication busses. These devices work following a program which is stored in the me[...]![]()
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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[...]![]()
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Pedraza Velasco, María Lourdes de ; Calvo Padilla, María Luisa | SPIE--The International Society for Optical Engineering | 1990The phase profile of the wave scattered by a GRIN lens has been determined using the eikonal approximation for the scattering amplitude. This wave acts as the object wave in a holographic register to construct a GRIN holocoupler. Different geome[...]![]()
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Cámara, Alejandro ; Alieva, Tatiana Krasheninnikova ; Rodrigo Martín-Romo, José Augusto ; Calvo Padilla, María Luisa | Optical Society of America | 2009-06We propose a simple approach for the phase space tomography reconstruction of the Wigner distribution of paraxial optical beams separable in Cartesian coordinates. It is based on the measurements of the antisymmetric fractional Fourier transform[...]![]()
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Cámara, Alejandro ; Alieva, Tatiana Krasheninnikova ; Rodrigo Martín-Romo, José Augusto ; Calvo Padilla, María Luisa | The Optical Society Of America | 2011-07-11We show the adaptation of a multifunctional optical system consisting of two spatial light modulators for the optimal measurement of the Radon-Wigner transform of one-dimensional signals. The proposed Radon-Wigner display allows reconstructing t[...]![]()
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Permanent holographic storage has been demonstrated in a photopolymerizable organically modified silica glass. The glass was prepared by dispersing a titanocene photoinitiator and a high refractive index acrylic monomer in a porous silica matrix[...]![]()
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Martínez Matos, Óscar ; Calvo Padilla, María Luisa ; Rodrigo Martín-Romo, José Augusto ; Alieva, Tatiana Krasheninnikova ; Hernández Garay, María de la Paz ; Cheben, Pavel ; Martí Panameño, Erwin José Armando | IEEE | 2009We present an overview of the main properties and the emerging implementations corresponding to a photopolymerizable glass modified with high refractive index species (HRIS) incorporated at molecular level. The study concerns to transmission and[...]![]()
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Villafranca Velasco, Aitor ; Hernández Garay, María de la Paz ; Calvo Padilla, María Luisa ; Cheben, Pavel ; Monte Muñoz de la Peña, Francisco del | American Institute of Physics | 2011-03-01Three different holographic photomaterials belonging to the class of photopolymerizable glasses have been synthesized using sol-gel techniques, and characterized with the purpose of a comparative study. Their behavior is analyzed in terms of ach[...]![]()
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Villafranca Velasco, Aitor ; Calvo Padilla, María Luisa ; Cheben, Pavel | American Institute of Physics | 2013-06-21A novel formulation and synthesis method to overcome the thickness limitations in samples of photopolymerizable glasses with high refractive index species is presented. The reported method allows the recording of volume holographic diffraction g[...]![]()
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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[...]![]()
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Martíenz Matos, Óscar ; Rodrigo Martín-Romo, José Augusto ; Calvo Padilla, María Luisa ; Cheben, Pavel | The Optical Society Of America | 2009-02-15Polarization properties of transmission volume holographic phase gratings recorded in a photopolymerizable glass modified with high refractive index species are reported. The gratings are recorded by the interference of two parallel s-polarized [...]![]()
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Alieva, Tatiana Krasheninnikova ; Calvo Padilla, María Luisa ; Bastiaans, Martin J. | SPIE--The International Society for Optical Engineering | 2003The main properties of n-th order power filtering in the fractional Fourier domain and its relationship to the differentiation operation are considered. The. application of power filtering for solving the phase retrieval problem is proposed.![]()
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Bastiaans, Martin J. ; Alieva, Tatiana Krasheninnikova ; Calvo Padilla, María Luisa | IOP Publishing | 2002-09-13The main properties of the power filtering operation in the fractional Fourier domain and its relationship to the differentiation operation are considered. The application of linear power filtering for solving the phase retrieval problem from in[...]