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Franco Peláez, Francisco Javier ; Palomar Trives, Carlos ; González Izquierdo, Jesús ; Agapito Serrano, Juan Andrés | Elsevier Science BV | 2015-01-11A reliable voltage reference is mandatory in mixed-signal systems. However, this family of components can undergo very long single event transients when operating in radiation environments such as space and nuclear facilities due to the impact o[...]texto impreso
Palomar Trives, Carlos ; Franco Peláez, Francisco Javier ; González Izquierdo, Jesús ; López Calle, Isabel ; Agapito Serrano, Juan Andrés | Elsevier Science BV | 2014-02-11Shunt linear voltage regulators are still used in situations where other kinds of regulators are not advised. This paper explores a mechanism liable to induce long duration pulses ( ~ 100 ? s ) in these devices, which is eventually demonstrated [...]texto impreso
Méndez González, Diego ; Gómez Calderón, Óscar ; Melle Hernández, Sonia ; González Izquierdo, Jesús ; Bañares Morcillo, Luis ; López Díaz, David ; Velazquez Salicio, M. Mercedes ; Lopez Cabarcos, Enrique ; Rubio Retama, Jorge ; Laurenti, Marco | Academic Press Inc Elsevier Science | 2020-04-20Upconversion nanoparticles (UCNP) are increasingly used due to their advantages over conventional fluorophores, and their use as resonance energy transfer (RET) donors has permitted their application as biosensors when they are combined with app[...]texto impreso
Isasi Marín, Josefa ; Cuervo Rodríguez, Mª Rocio ; Criado García, Rosario ; Pradillo Orellana, Mónica ; Alcaraz Romo, Lorena ; Arévalo Cid, Pablo ; de la Puente Viedma, Carlos ; Donald Rivera, Minerva ; Boulahya, Khalid ; Fernández González, Mario ; Martín Majadas, Raul ; Parra Núñez, Pablo ; Espada Morán, Luis ; Martínez García, Marina ; González Izquierdo, Jesús | 2016-05-22Diseño, elaboración y procesado de vídeos en los que se incluye la metodología empleada en una investigación avanzada.texto impreso
Martínez Matos, Óscar ; Vaveliuk, Pablo ; González Izquierdo, Jesús ; Loriot, Vincent | The Optical Society Of America | 2013-10-21Spatial shaping of ultrashort laser beams at the focal plane is theoretically analyzed. The description of the pulse is performed by its expansion in terms of Laguerre-Gaussian orthonormal modes. This procedure gives both a comprehensive interpr[...]texto impreso
Martínez Matos, Óscar ; Hernández Garay, María de la Paz ; González Izquierdo, Jesús ; Calvo Padilla, María Luisa ; Vaveliuk, Pablo ; Cheben, Pavel ; Bañares Morcillo, Luis | Optical Society of America | 2011-01-17The majority of the applications of ultrashort laser pulses require a control of its spectral bandwidth. In this paper we show the capability of volume phase holographic gratings recorded in photopolymerizable glasses for spectral pulse reshapin[...]texto impreso
Hernández Garay, María de la Paz ; Martínez Matos, Óscar ; González Izquierdo, Jesús ; Calvo Padilla, María Luisa ; Cheben, Pavel ; Bañares Morcillo, Luis | Society of Photo-Optical Instrumentation Engineers (SPIE) | 2011We present the capability of the holographic gratings implemented in photopolymerizable glasses to be applied in spatial and spectral manipulation of femtosecond laser pulses. For this purpose we used volume phase holographic gratings recorded b[...]texto impreso
Palomar Trives, Carlos ; López Calle, Isabel ; Franco Peláez, Francisco Javier ; Agapito Serrano, Juan Andrés ; González Izquierdo, Jesús | IEEE-Inst Electrical Electronics Engineers Inc | 2013-02This paper is aimed at emulating the errors in semiconductor memories by space radiation with a pulsed laser that acts as an ion. A sensitivity map of the memory is performed identifying potential error areas and how many errors simultaneously occur.texto impreso
Palomar Trives, Carlos ; López Calle, Isabel ; Franco Peláez, Francisco Javier ; González Izquierdo, Jesús ; Agapito Serrano, Juan Andrés | 2011-09-19Laser tests on a power operational amplifier were performed to investigate its sensitivity to single event transients. These tests apparently point out to this device being quite insensitive to single event transients so it would become a good c[...]texto impreso
López Calle, Isabel ; Franco Peláez, Francisco Javier ; Agapito Serrano, Juan Andrés ; González Izquierdo, Jesús | IEEE-Inst Electrical Electronics Engineers Inc | 2011-02-08One of the main phenomena that commit the reliability of analog electronic systems working in the outer space is the presence of energetic ions that produce spurious transients after crossing the device. These pulses are transmitted to the netwo[...]texto impreso
Palomar Trives, Carlos ; Franco Peláez, Francisco Javier ; López Calle, Isabel ; González Izquierdo, Jesús ; Agapito Serrano, Juan Andrés | IEEE-Inst Electrical Electronics Engineers Inc | 2013-08The peak detector effect is a phenomenon that makes single event transients much longer once an error amplifier switches from linear to saturation zone due to the presence of external capacitors. This is so-called since it was discovered in a si[...]texto impreso
López Calle, Isabel ; González Izquierdo, Jesús ; Franco Peláez, Francisco Javier ; Agapito Serrano, Juan Andrés | s.n. | 2011-07-05En este artículo, se describe un sistema que permite emular por medio de un láser los transitorios que pueden producir los rayos cósmicos en los componentes electrónicos. En particular, el sistema está adaptado para examinar componentes analógic[...]texto impreso
Franco Peláez, Francisco Javier ; Palomar Trives, Carlos ; González Izquierdo, Jesús ; Agapito Serrano, Juan Andrés | IEEE-Inst Electrical Electronics Engineers Inc | 2015-08-15This paper proposes a technique to build SPICE micromodels of integrated circuits in bipolar technology appropriate to simulate single event transients. First of all, we will show how to obtain SPICE models of the internal transistors from texts[...]texto impreso
López Calle, Isabel ; Franco Peláez, Francisco Javier ; González Izquierdo, Jesús ; Agapito Serrano, Juan Andrés | IEEE-Inst Electrical Electronics Engineers Inc | 2009-09-14Experiments to obtain XY scans on the surface of an amplifier at different depths and energy values were performed at the UCM, the results of which are shown and discussed in this paper.
