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Mayorga Pinilla, Santiago ; Vázquez Moliní, Daniel ; Álvarez Fernández-Balbuena, Antonio ; Hernández Raboso, Gabriel ; Herráez, Juan Antonio ; Azcutia, Marta ; García Botella, Ángel | Elsevier | 2016-01A method to evaluate the risk of using daylight in museums and cultural heritage exhibitions is presented along this study. Although daylight is an ecological and sustainable source of energy and sometimes also an intrinsic part of the artwork, [...]texto impreso
García Botella, Ángel ; Álvarez Fernández-Balbuena, Antonio ; Vázquez Moliní, Daniel | The Society of Photo-Optical Instrumentation Engineers (SPIE) | 2017-09-07Nonimaging optics is focused on the study of methods to design concentrators or illuminators systems. It can be included in the area of photometry and radiometry and it is governed by the laws of geometrical optics. The field vector method, whic[...]texto impreso
Quiroga Mellado, Juan Antonio ; Gómez Pedrero, José Antonio ; García Botella, Ángel | Elsevier Science BV | 2001-09-15In this work we present a new algorithm for fringe pattern normalization, that is. background suppression and modulation normalization. Normalization is necessary for several fringe pattern processing techniques. For example, this is the case of[...]texto impreso
Álvarez Fernández-Balbuena, Antonio ; González Montes, Mario ; García Botella, Ángel ; Vázquez Moliní, Daniel | Spie-Soc Photo-Optical Instrumentation Engineers | 2015-02-09Automatic optimization algorithms have been recently introduced as nonimaging optics design techniques. Unlike optimization of imaging systems, nonsequential ray tracing simulations and complex noncentered systems design must be considered, addi[...]texto impreso
Zoido Chamorro, Jesús Manuel ; Vázquez Moliní, Daniel ; Álvarez Fernández-Balbuena, Antonio ; Bernabeu Martínez, Eusebio ; García Botella, Ángel ; Herráenz Ferreiro, Juan Antonio ; Egido Rodríguez, Marian, del | SPIE | 2009-08-22This work is intended to deal with the problems which arise when illuminanting Paleolithic cave paintings. We have carried out the spectral and colorimetric characterization of some paintings located in the Murcielagos (bats) cave (Zuheros, Córd[...]texto impreso
Vázquez Moliní, Daniel ; García Fernández, Berta ; Álvarez Fernández-Balbuena, Antonio ; Serrano Ruiz, Jorge ; Roberto Raitelli, Mario ; García Botella, Ángel | 2019-06-14El objetivo fundamental de este proyecto es implementar el uso y el manejo de herramientas tecnologías informáticas innovadoras, englobadas dentro de las Tecnologías de la Información y la Comunicación (TIC) y basadas en software libre, en exper[...]texto impreso
García Botella, Ángel ; Vázquez Moliní, Daniel ; García Fernández, Berta ; Álvarez Fernández-Balbuena, Antonio | SPIE | 2019The electric lighting is responsible for 15% of the electricity consumption, the efficiency in this sector has a good progress in recent years, it can still improve more. Conventional energy sources are polluting and limited, so it is essential [...]texto impreso
García Botella, Ángel ; Álvarez Fernández Balbuena, Antonio ; Bernabeu Martínez, Eusebio | The Optical Society Of America | 2006-10-10Nonimaging optics is a field devoted to the design of optical components for applications such as solar concentration or illumination. In this field, many different techniques have been used to produce optical devices, including the use of refle[...]texto impreso
García Botella, Ángel ; Vázquez Moliní, Daniel ; García Fernández, Berta ; Álvarez Fernández-Balbuena, Antonio | SPIE | 2019-09-09Evolutionary optimization algorithms have been recently introduced as nonimaging optics design techniques. Unlike optimization of imaging systems, non sequential ray tracing simulations and complex non centred systems design must be considered, [...]texto impreso
Quiroga Mellado, Juan Antonio ; Sánchez Brea, Luis Miguel ; García Botella, Ángel ; Bernabeu Martínez, Eusebio | The Optical Society Of America | 2000-08-10A histogram-based technique for robust contrast measurement is proposed. The method is based on fitting the histogram of the measured image to the histogram of a model function, and it can be used for contrast determination in fringe patterns. S[...]texto impreso
García Botella, Ángel ; Álvarez Fernández-Balbuena, Antonio ; Vázquez Moliní, Daniel ; Bernabeu Martínez, Eusebio ; González Cano, Agustín | The Optical Society Of America | 2009-02-01We present a family of three-dimensional concentrators constructed from the photic field generated by a Lambertian emitter. The profile of these concentrators is obtained from the field lines for a two-dimensional truncated wedge and is based on[...]texto impreso
García Botella, Ángel ; Álvarez Fernández Balbuena, Antonio ; Vázquez Moliní, Daniel ; Bernabeu Martínez, Eusebio | Pergamon-Elsevier Science, Ltd. | 2009Nonimaging optics is a field devoted to the design of optical components for applications such as solar concentration or illumination. In this field, many different techniques have been used for producing reflective and refractive optical device[...]texto impreso
Vázquez Moliní, Daniel ; Álvarez Fernández Balbuena, Antonio ; García Botella, Ángel ; Alda, Javier | SPIE | 2015-08-25In this contribution the line flow method is applied to an optimized secondary optics in a photovoltaic concentration system where the primary optics is already defined and characterized. This method is a particular application of photic field t[...]texto impreso
Quiroga Mellado, Juan Antonio ; García Botella, Ángel ; Gómez Pedrero, José Antonio | The Optical Society Of America | 2002-06-10The red-blue-green (RGB) calibration technique consists in constructing an a priori calibration table of the isochromatic retardation versus the triplet of RGB values obtained with a RGB CCD camera. In this way a lookup table (LUT) is built in w[...]texto impreso
García Fernández, Berta ; Vázquez Moliní, Daniel ; Álvarez Fernández-Balbuena, Antonio ; García Botella, Ángel ; Martínez Antón, Juan Carlos | OSA Publishing ; Chinese Laser Press | 2015-09-10Hollow, cylindrical, prismatic light guides (CPLGs) are optical components that, using total internal reflection (TIR), are able to transmit high-diameter light beams in daylight and artificial lighting applications without relevant losses. It i[...]
