Listar por autor "Vadillo-Pérez, José Miguel"
Mostrando ítems 1-20 de 23
-
A "quick look" at ultrafast ablation using fs-resolved phase-change microscopy
A pump-probe phase-change microscope with fs temporal resolution has been used to understand the transformation induced in the sample surface as a consequence of laser-matter interaction. -
A multipurpose thermal vacuum chamber for planetary research compatible with stand-off laser spectroscopies
Laserna-Vázquez, José Javier
; Álvarez-Llamas, César; Purohit, Pablo; Moros-Portolés, Javier; Lucena, Patricia; Vadillo-Pérez, José Miguel[et al.] (2022)
Stand-off spectroscopies and imaging techniques have gained a proper niche within the modern tools in remote compositional analysis for exploration in-situ planetary surface using rovers. Laser-induced breakdown spectrometry ... -
Analytical microprobes: getting more out of less
Vadillo-Pérez, José Miguel (2017-11-09)
The arsenal of techniques capable of getting chemical information from reduced spatial domains has been a constant in the analytical instrumentation. Such evolution has run in parallel with the extraordinary advances in ... -
Characterization of Laser-Induced Plasmas Of Organic Compounds by spatially- and temporally resolved optical emission spectrometry
López-Claros, Marina; Purhoit, Pablo; Vadillo-Pérez, José Miguel; Laserna-Vázquez, José Javier (2014-07-22)
The large majority of laser-induced plasmas experiments are performed on metals in air at atmospheric pressure, where recombination mechanisms do not play a significant role, as the primary emission lines of interest are ... -
Characterization of size-sorted particulated matter collected on solid substrates by laser-ionization mass spectrometry and laser-induced breakdown spectrometry
Medina, Samara; Vadillo-Pérez, José Miguel; Laserna-Vázquez, José Javier (2016-09-27)
Resumen de trabajos realizados mediante excitación láser de material particulado y su posterior análisis mediante espectroscopía óptica de emisión o ionización. -
Deep-UV laser-induced breakdown spectrometry and laser-ionization mass spectrometry for astrochemistry studies.
The recent ambitions of different national space agencies to return to the Moon and to potentially set up a permanent moon base soon, have triggered the interest to adapt different analysis techniques to the conditions of ... -
Determination of plasmas formation thresholds using femtosecond laser pulses
López-Claros, Marina; Carrasco-García, Irene María; Vadillo-Pérez, José Miguel; Laserna-Vázquez, José Javier (2013-11-05)
Our current research line focuses on studying and understanding processes of laser-material interaction in condensed phase using femtosecond lasers in an attempt to improve the analytical performance of laser-based optical ... -
Differential laser-matter interaction in the ablation of solid samples with laser pulses in the interval between 35 fs – 4 ps.
López-Claros, Marina; Carrasco-García, Irene María; Vadillo-Pérez, José Miguel; Laserna-Vázquez, José Javier (2014-07-16)
Our communication is focused on the influence of the pulse width in the laser-matter interaction during laser ablation of solid materials. The experiments were performed with an 80 MHz, 100 nJ, 400 fs Ti-Saphire oscillator, ... -
Femtosecond laser ablation: as fun as it gets
Vadillo-Pérez, José Miguel; Carrasco-García, Irene María; Manzoor, Sadia; Laserna-Vázquez, José Javier (2019-09-20)
The talk will provide an overview of differentexperiments performed on solid samples under femtosecond irradiation (800-nm, 35-fs) above the plasma formation threshold. -
Femtosecond time-resolved phase-change microscopy and ablation threshold calculations to understand ultrafast laser ablation
Carrasco-García, Irene María; López-Claros, Marina; Vadillo-Pérez, José Miguel; Laserna-Vázquez, José Javier (2016-09-28)
El trabajo recoge experimentos realizados en una configuración sonda-prueba haciendo uso de un láser de femtosegundos, con el objetivo de comprender los fenómenos de ablación de materiales sólidos ras irradiación con láseres ... -
Guiding the Development of Efficient and Durable Electrodes for Electrochemical Energy Conversion Applications through Advanced Ion Beam Analysis
Vadillo-Pérez, José Miguel; Druce, John; Ishihara, Tatsumi; Kilner, John; Téllez, Helena (2016-09-28)
Surface-sensitive ion beam techniques, such as Secondary Ion Mass Spectrometry (SIMS) and Low-Energy Ion Scattering (LEIS), are making significant contributions to further our understanding of the materials’ performance ... -
Laser ionization mass spectrometry is not the poor man`s ICPMS
Vadillo-Pérez, José Miguel; Medina, Samara; Laserna-Vázquez, José Javier (2016-09-28)
Laser ionization mass spectrometry includes in a broad sense, any laser-based technique capable of generating ions by the direct action of a pulsed laser over a solid sample. Over a certain laser energy, LIMS allows the ... -
Laser-induced breakdown spectrometry with laser pulses in femtoseconds to picoseconds regime and their influence on ablation quality
Manzoor, Sadia; Vadillo-Pérez, José Miguel; Laserna-Vázquez, José Javier (2019-09-20)
The communication is focused on the influence of the pulse width, ranging from femtosecond to picosecond, on the laser – matter interaction during laser ablation of solid materials. Modifications in the stretcher-compressor ... -
Laser-induced breakdown spectroscopy of samples of astrochemical interest handled as individual particles by means of non-inertial acoustic confinement.
Vadillo-Pérez, José Miguel; Moros-Portolés, Javier; Laserna-Vázquez, José Javier; Marzo Pérez, Asier (2023)
The present communication will show experiments performed with an acoustic levitator capable of trapping individual solid particles of different sizes (preferably in the range between 0.1 - 5 mm), shapes, and chemical ... -
Laser-induced breakdown spectroscopy with laser pulses in the interval between 35 fs – 4 ps
Manzoor, Sadia; Vadillo-Pérez, José Miguel; Laserna-Vázquez, José Javier (2020-09-02)
This works presents the laser ablation studies for metals such as Chromium, Titanium, Iron and Copper by ultrashort laser pulses under pulse-width from 35 fs to 4 ps. -
Laser-Induced Plasma Spectroscopy Of Organic Compounds: Understanding Fragmentation Processes Using Ion-Photon Coincidence Measurements
Comunicación enviada a la 8th Euromditerranean Conference on Laser Induced Breakdown Spectroscopy, presentada en forma de charla oral -
Secondary ion mass spectrometry and low-energy ion scattering of II-V semiconductor hetero-structures
Laserna-Vázquez, José Javier; Padilla, D.; Vadillo-Pérez, José Miguel (Sociedad Española de Química Analítica, 2013)
Comunicación oral presentada durante la XVIII reunión de la Sociedad Española de Química Analítica y VI reunión Nacional de la Sociedad Española de Espectrometría de MAsas -
Single-shot laser-ionization mass spectrometry for direct atomic analysis
Vadillo-Pérez, José Miguel; Laserna-Vázquez, José Javier (2017-11-09)
Direct laser ionization of solids (LIMS, laser-ionization mass spectrometry) represents a powerful way to get full atomic information about sample microlocations. Spatial resolutions as low a few microns are easily attainable ... -
Temporal and energetic scale of solid matter interaction phenomena occurring during femtosecond ablation of solids
Vadillo-Pérez, José Miguel; Carrasco-García, Irene María; López-Claros, Marina; Laserna-Vázquez, José Javier (2013-11-22)
Ablation using femtosecond lasers exhibits significant differences with that at the nanosecond timescale, where the concurrence of photochemical and photothermal processes taking place during the photon absorption govern ... -
Temporal evolution of surfaces on materials after femtosecond laser irradiation: The earliest stages (Oral presentation)
Ablation using femtosecond lasers exhibits significant differences in comparison with the nanosecond timescales. Ultrashort laser-matter interaction provides the observation of different phenomena as there is neither ...