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Spie-Int Soc Optical Engineering |
Documentos disponibles de esta editorial (54)
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Pérez Calpena, Ana ; Sánchez-Blanco Mancera, Ernesto ; Gómez Álvarez, Pedro ; Martínez Delgado, Ismael ; Castillo Morales, África ; Gil de Paz, Armando ; Arrillaga, Xabier, Xabier ; García Vargas, Marisa Luisa ; Gallego Maestro, Jesús ; Carrasco Licea, Esperanza ; Iglesias Páramo, Jorge;, Jorge ; Cedazo, Raquel | Spie-Int Soc Optical Engineering | 2018MEGARA is an integral-field and multi-object medium-resolution spectrograph for the GTC 10.4m telescope, which was commissioned on June - August 2017. MEGARA offers two observing modes, the LCB mode, a large central IFU; and a Multi-Object Spect[...]texto impreso
García Vargas, María Luisa ; Sánchez Blanco, Ernesto ; Carrasco, Esperanza ; Gil de Paz, Armando ; Páez, Gonzalo ; Pérez, Ana ; Gallego Maestro, Jesús ; Sánchez, Francisco ; Vílchez, José M. | Spie-Int Soc Optical Engineering | 2012We describe the optical design of MEGARA, the future optical Integral Field Unit (IFU) and Multi-Object Spectrograph (MOS) for the 10.4-m Gran Telescopio CANARIAS (GTC). MEGARA is being built by a Consortium of public research institutions led b[...]texto impreso
Maldonado Medina, Manuel ; García Vargas, María Luisa ; Gil de Paz, Armando ; Sánchez Blanco, Ernesto ; Pérez Calpena, Ana ; Gallego Maestro, Jesús ; Carrasco Licea, Esperanza ; Sánchez Moreno, Francisco ; Vílchez Medina, José | Spie-Int Soc Optical Engineering | 2012MEGARA (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) is the future optical Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) for the GTC 10.4m telescope. This contribution summarizes the current mechanical design of[...]texto impreso
MEGARA (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) is the future optical Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) for the GTC 10.4m telescope. The spectrograph is currently being integrated in the laborat[...]texto impreso
Carrasco, E. ; Sánchez Blanco, E. ; García Vargas, M. L. ; Gil de Paz, Armando ; Paez, G. ; Gallego Maestro, Jesús ; Sánchez, F. M. ; Vílchez, J. M. | Spie-Int Soc Optical Engineering | 2012MEGARA is the next optical Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) for Gran Telescopio Canarias. The instrument offers two IFUs plus a Multi-Object Spectroscopy (MOS) mode: a large compact bundle covering 12.5 arcsec x 11.3[...]texto impreso
Gil de Paz, Armando ; Gallego Maestro, Jesús ; Castillo Morales, África ; Eliche Moral, María del Carmen ; Pascual, S. ; Sánchez Penim, A. ; Villar, V. ; Zamorano Calvo, Jaime ; Cardiel López, Nicolás ; Cava, A. ; Pérez González, Pablo Guillermo | Spie-Int Soc Optical Engineering | 2012In these proceedings we give a summary of the characteristics and current status of the MEGARA instrument, the future optical IFU and MOS for the 10.4-m Gran Telescopio Canarias (GTC). MEGARA is being built by a Consortium of public research ins[...]texto impreso
MEGARA, the new intermediate-resolution optical IFU and MOS for GTC: getting ready for the telescope
Gil de Paz, Armando ; Gallego Maestro, Jesús ; Cardiel López, Nicolás ; Castillo Morales, África ; Cruz García, Jesús Manuel de la ; Esteban San Román, Segundo ; López Orozco, José Antonio ; Pascual, S. ; Picazo, P. ; Sánchez-Penim, A. ; Zamorano Calvo, Jaime ; Pérez González, Pablo Guillermo ; otros, ... | Spie-Int Soc Optical Engineering | 2016MEGARA (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) is an optical Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) designed for the GTC 10.4m telescope in La Palma that is being built by a Consortium led by UCM (S[...]texto impreso
Gil de Paz, Armando ; Gallego Maestro, Jesús ; Bouquin, A. ; Carbajo, J. ; Cardiel López, Nicolás ; Castillo Morales, África ; Esteban San Román, Segundo ; López Orozco, José Antonio ; Pascual, S. ; Picazo, P. ; Sánchez Penim, Ainhoa ; Velázquez, M. ; Zamorano Calvo, Jaime ; Catalán Torrecilla, Cristina ; Dullo, Bililign ; Pérez González, P.G. ; Roca Fábrega, Santi | Spie-Int Soc Optical Engineering | 2018MEGARA is the new generation IFU and MOS optical spectrograph built for the 10.4m Gran Telescopio CANARIAS (GTC). The project was developed by a consortium led by UCM (Spain) that also includes INAOE (Mexico), IAA-CSIC (Spain) and UPM (Spain). T[...]texto impreso
Gallego Maestro, Jesús ; Cardiel López, Nicolás ; Eliche Moral, María del Carmen ; Pascual, S. | Spie-Int Soc Optical Engineering | 2012The Mid-resolution InfRAreD Astronomical Spectrograph (MIRADAS, a near-infrared multi-object echelle spectrograph operating at spectral resolution R=20,000 over the 1-2.5 mu m bandpass) was selected in 2010 by the Gran Telescopio Canarias (GTC) [...]texto impreso
Maluenda, David ; Carnicer, Artur ; Jubells, Ignasi ; Martínez Herrero, Rosario | Spie-Int Soc Optical Engineering | 2017In this communication we analyze the light field distribution of a highly focused radially polarized beam when passes through a linear polarizer. The polarizer is modeled as a plane-parallel uniaxial absorbing medium with the optical axis parall[...]texto impreso
Martínez Herrero, Rosario ; Jubells, Ignasi ; Maluenda, David ; Carnicer, Artur | Spie-Int Soc Optical Engineering | 2019In the present communication, we describe how to produce long light distributions in the focal area of a high numerical aperture optical system using a custom modulation function with spiral charge. This analysis expands our previous development[...]texto impreso
Carrasco, Esperanza ; Sánchez Blanco, Ernesto ; García Vargas, María Luisa ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Páez, Gonzalo ; Zamorano, Jaime ; Castro, Jorge | Spie-Int Soc Optical Engineering | 2011MEGARA is a multi-object spectrograph project for the 10.4m Gran Telescopio Canarias with medium to high resolution: R ~ 5600 - 17000. The instrument operates in three modes that cover different sky areas and that can run simultaneously: (1) the[...]texto impreso
Martínez Herrero, Rosario ; Maluenda, David ; Piquero Sanz, Gemma María ; González de Sande, Juan Carlos ; Santarsiero, Massimo ; Gori, Franco | Spie-Int Soc Optical Engineering | 2017In this work a new type of partially polarized and partially coherent sources is proposed. The coherence characteristics of these sources are dependent on the difference of the radial distances from the source center of the two points to be comp[...]texto impreso
MEGARA is the new IFU and multiobject spectrograph for Gran Telescopio Canarias. The spectograph will offer spectral resolution R-fwhm similar to 6,000, 12,000 and 18,700. Except for the optical fibers and microlenses, the complete MEGARA optica[...]texto impreso
Tkachuk, A. M. ; Razumova, I. K. ; Mirzaeva, A. A. ; Novikov, G. E. ; Orlov2, O. A. ; Malyshev, Andrey ; Gapontsev, V. P. | Spie-Int Soc Optical Engineering | 2002Steady-state population of 7 lowest excited erbium. levels in LiY¬¬_(1-x)Er_xF_4 (YLF:Er^(3+) (x=0.003-1) crystals was studied under upconversion. CW InGaAs laser-diode pumping with varied power density. Theoretical and experimental concentratio[...]texto impreso
García Vargas, María Luisa ; Pérez Calpena, Ana ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Carrasco, Esperanza ; Cedazo, Raquel ; Iglesias, Jorge | Spie-Int Soc Optical Engineering | 2014The project management of complex instruments for ground-based large telescopes is a challenge itself. A good management is a clue for project success in terms of performance, schedule and budget. Being on time has become a strict requirement fo[...]texto impreso
The Cherenkov Telescope Array (CTA) observatory will be one of the biggest ground-based very-high-energy (VHE) gamma-ray observatory. CTA will achieve a factor of 10 improvement in sensitivity from some tens of GeV to beyond 100 TeV with respect[...]texto impreso
Tulloch, S. ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Zamorano Calvo, Jaime ; Tapia, C. | Spie-Int Soc Optical Engineering | 2012A CCD test-bench has been built at the Universidad Complutense's LICA laboratory. It is initially intended for commissioning of the MEGARA(1) (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) instrument but can be considered as a g[...]texto impreso
Makarov, Valeri A. ; Castellanos, Nazareth P. ; Patane, Luca ; Velarde, Manuel G. | Spie-Int Soc Optical Engineering | 2007Common design of a robot searching for a target emitting sensory stimulus (e.g. odor or sound) makes use of the gradient of the sensory intensity. However, the intensity may decay rapidly with distance to the source, then weak signal-to-noise ra[...]texto impreso
The case of two identical and coaxial Gaussian beams is studied in order to consider the effects of diffraction in spatial beam characterization.texto impreso
NectarCAM is a camera designed for the medium-sized telescopes of the Cherenkov Telescope Array (CTA) covering the central energy range 100 GeV to 30 TeV. It has a modular design based on the NECTAr chip, at the heart of which is a GHz sampling [...]texto impreso
Pérez Calpena, A. ; García Vargas, M. L. ; Gil de Paz, Armando ; Gallego Maestro, Jesús ; Carrasco Licea, E. ; Sánchez Moreno, F. ; Iglesias Páramo, J. | Spie-Int Soc Optical Engineering | 2014MEGARA (Multi-Espectrografo en GTC de Alta Resolucion para Astronomia) is a facility instrument of the 10.4m GTC (La Palma, Spain) working at optical wavelengths that provides both Integral-Field Unit (IFU) and Multi-Object Spectrograph (MOS) ca[...]texto impreso
Makarov, Valeri A. ; Pavlov, Alexey N. ; Tupitsyn, Anatoly N. ; Panetsos, Fivos ; Moreno, Ángel ; García-González,, Víctor ; Sánchez-Jiménez,, Abel | Spie-Int Soc Optical Engineering | 2007We study mechanisms of information processing in the principalis (Pr5), oralis (Sp5o) and interpolaris (Sp5i) nuclei of the trigeminal sensory complex of the rat under whisker stimulation by short air puffs. After the standard electrophysiologic[...]texto impreso
Méndez Martín, Bianchi ; López, I. ; Alonso Orts, Manuel ; Sanz, A. ; Nogales Díaz, Emilio ; Hidalgo Alcalde, Pedro ; Piqueras de Noriega, Javier | Spie-Int Soc Optical Engineering | 2017-05-30The synthesis of complex nanostructures that combine materials and dimensionality, promises the ability to identify novel designs and architectures with enhanced properties that could be used in new devices. One of the building blocks in nanomat[...]texto impreso
When combined with the huge collecting area of the ELT, MOSAIC will be the most effective and flexible Multi-Object Spectrograph (MOS) facility in the world, having both a high multiplex and a multi-Integral Field Unit (Multi-IFU) capability. It[...]