Listar por autoría "2e897a11-e89a-42c8-89e1-cafdf27d4b8a"

Mostrando ítems 1-20 de 56

    • openAccess   Active wavefront compensation of broadband femtosecond laser pulses through pupil segmentation 

      Loriot, Vincent; Mendoza-Yero, Omel; Pérez Vizcaíno, Jorge; Mínguez-Vega, Gladys; Lancis, Jesús; De Nalda, Rebeca; Bañares, Luis Spriger (2014-10)
      Wavefront aberrations play a major role when focusing an ultrashort laser pulse to a high-quality focal spot. Here, we report a novel method to measure and correct wavefront aberrations of a 30-fs pulsed ...

    • openAccess   Ag Nanoparticles/α-Ag2WO4 Composite Formed by Electron Beam and Femtosecond Irradiation as Potent Antifungal and Antitumor Agents 

      Assis, Marcelo de; Robeldo, Thaiane; Foggi, Camila Cristina; Kubo, A.M.; Mínguez-Vega, Gladys; Cordoncillo, Eloisa; Beltrán Mir, Héctor; Torres-Mendieta, Rafael; Andres, Juan; Oliva, Mónica; Vergani, Carlos; Barbugli, P.A.; Camargo, E.R.; Borra, Ricardo Carneiro; Longo, Elson Nature Research (2019)
      The ability to manipulate the structure and function of promising systems via external stimuli is emerging with the development of reconfigurable and programmable multifunctional materials. Increasing antifungal and antitumor ...

    • closedAccess   Characterization of Tin/Ethylene Glycol Solar Nanofluids Synthesized by Femtosecond Laser Radiation 

      Torres-Mendieta, Rafael; Mondragón Cazorla, Rosa; Puerto-Belda, Verónica; Mendoza-Yero, Omel; Lancis, Jesús; Juliá Bolívar, José Enrique; Mínguez-Vega, Gladys John Wiley & Sons, Ltd. (2016-11-22)
      Solar energy is available over wide geographical areas and its harnessing is becoming an essential tool to satisfy the ever-increasing demand for energy with minimal environmental impact. Solar nanofluids are a novel solar ...

    • openAccess   Controlled Multibeam Supercontinuum Generation With a Spatial Light Modulator 

      Borrego Varillas, Rocío; Pérez Vizcaíno, Jorge; Mendoza-Yero, Omel; Mínguez-Vega, Gladys; Vázquez de Aldana, Javier R.; Lancis, Jesús IEEE (2014)
      We report on deterministic femtosecond multifilamentation in fused silica by encoding a diffractive microlens array into a spatial light modulator. The efficiency and focal length of each microlens are modified through ...

    • openAccess   Diffraction-Based Phase Calibration of Spatial Light Modulators With Binary Phase Fresnel Lenses 

      Mendoza-Yero, Omel; Mínguez-Vega, Gladys; Martínez-León, Lluís; Carbonell Leal, Miguel; Fernández Alonso, Mercedes; Doñate-Buendía, Carlos; Pérez Vizcaíno, Jorge; Lancis, Jesús IEEE (2016)
      We propose a simple and robust method to determine the calibration function of phase-only spatial light modulators (SLMs). The proposed method is based on the codification of binary phase Fresnel lenses (BPFLs) onto an ...

    • openAccess   Diffractive control of 3D multifilamentation in fused silica with micrometric resolution 

      Mendoza-Yero, Omel; Carbonell Leal, Miguel; Doñate-Buendía, Carlos; Mínguez-Vega, Gladys; Lancis, Jesús Optical Society of America (2016)
      We show that a simple diffractive phase element (DPE) can be used to manipulate at will the positions and energy of multiple filaments generated in fused silica under femtosecond pulsed illumination. The method allows ...

    • openAccess   Diffractive optics for quasi-direct space-to-time pulse shaping 

      Mínguez-Vega, Gladys; Mendoza-Yero, Omel; Lancis, Jesús; Gisbert, Rafael; Andrés, Pedro Optical Society of America (2008)
      The strong chromatic behavior associated with a conventional diffractive lens is fully exploited to propose a novel optical device for pulse shaping in the femtosecond regime. This device consists of two optical elements: ...

    • openAccess   Diffractive optics for spectral control of the supercontinuum generated in sapphire with femtosecond pulses 

      Romero, Carolina; Borrego Varillas, Rocío; Camino, Acner; Mínguez-Vega, Gladys; Mendoza-Yero, Omel; Hernández Toro, Juan; Vázquez de Aldana, Javier R. Optical Society of America (2011)
      We propose the use of kinoform diffractive lenses to focus near infrared femtosecond pulses in sapphire crystals for supercontinuum generation. It is shown that a strongly peaked structure appears in the blue region of the ...

    • openAccess   Dispersion management in two-photon microscopy by using diffractive optical elements 

      Mendoza-Yero, Omel; Pérez Vizcaíno, Jorge; Mínguez-Vega, Gladys; Martinez Cuenca, Raul; Andrés, Pedro; Lancis, Jesús Optical Society of America (2013)
      We demonstrate efficient generation of wide-field fluorescence signals in two-photon microscopy exploiting diffractive optical elements and short pulses by using a dispersion-compensated beam delivery optics module. ...

    • openAccess   Dispersión Raman mejorada en superficie mediada por la adsorción de nanopartículas metálicas generadas con láser sobre óxido de grafeno 

      Molina-Prados, Sergio; Cros, Ana; Mínguez-Vega, Gladys; Garro, Núria Sociedad Española de Óptica (SEDO) (2022-11)
      La espectroscopia Raman proporciona una huella dactilar de la composición y la estructura de la mayoría de los materiales de forma rápida y no destructiva. Sin embargo, la eficacia de la dispersión Raman es mucho menor ...

    • openAccess   Dynamic Control of Interference Effects Between Optical Filaments through Programmable Optical Phase Modulation 

      Borrego Varillas, Rocío; Pérez Vizcaíno, Jorge; Mendoza-Yero, Omel; Vázquez de Aldana, Javier R.; Mínguez-Vega, Gladys; Lancis, Jesús IEEE (2016-06)
      Light beams shaped by programmable megapixel spatial light modulators (SLMs) are key to broadening the applications of photonics. In this paper, we consider the application of a SLM for the generation of two mutually ...

    • openAccess   Encoding complex fields by using a phase-only optical element 

      Mendoza-Yero, Omel; Mínguez-Vega, Gladys; Lancis, Jesús Optical Society of America (2014)
      We show that the amplitude and phase information from a two-dimensional complex field can be synthesized from a phase-only optical element with micrometric resolution. The principle of the method is based on the combination ...

    • openAccess   Encoding of arbitrary micrometric complex illumination patterns with reduced speckle 

      Carbonell Leal, Miguel; Mínguez-Vega, Gladys; Lancis, Jesús; Mendoza-Yero, Omel Optical Society of America (2019)
      In nonlinear microscopy, phase-only spatial light modulators (SLMs) allow achieving simultaneous two-photon excitation and fluorescence emission from specific regionof-interests (ROIs). However, as iterative Fourier ...

    • openAccess   Experimental Demonstration of the Quasi-Direct Space-to-Time Pulse Shaping Principle 

      Loriot, Vincent; Mendoza-Yero, Omel; Mínguez-Vega, Gladys; Bañares, Luis; De Nalda, Rebeca Institute of Electrical and Electronics Engineers (IEEE) (2012)
      A new strategy of pulse shaping based on the quasi-direct space-to-time (QDST) conversion principle has been recently proposed theoretically [Mínguez-Vega et al., Opt. Express 16, 16993 (2008)]. In this letter, the ...

    • closedAccess   Experimental generation of high-contrast Talbot images with an ultrashort laser pulse 

      Mínguez-Vega, Gladys; Mendoza-Yero, Omel; Fernández Alonso, Mercedes; Andrés, Pedro; Climent, Vicent; Lancis, Jesús Elsevier (2008)
      A femtosecond Ti:sapphire laser oscillator emitting pulses with 800 nm central wavelength, 10.9 fs pulse width, and 75 MHz repetition rate, combined with a dispersion-compensated diffractive system, was used to implement ...

    • openAccess   Fabrication by Laser Irradiation in a Continuous Flow Jet of Carbon Quantum Dots for Fluorescence Imaging 

      Doñate-Buendía, Carlos; Torres-Mendieta, Rafael; Pyatenko, Alexander; Falomir, Eva; Fernández Alonso, Mercedes; Mínguez-Vega, Gladys American Chemical Society (2018)
      Fluorescent carbon quantum dots (CQDs) are synthesized by laser irradiation of carbon glassy particles suspended in polyethylene glycol 200 by two methods, a batch and a flow jet configuration. The flow jet configuration ...

    • openAccess   Fabrication of gold nanoparticles in Therminol VP-1 by laser ablation and fragmentation with fs pulses 

      Torres-Mendieta, Rafael; Mondragon, Rosa; Juliá Bolívar, José Enrique; Mendoza-Yero, Omel; Cordoncillo, Eloisa; Lancis, Jesús; Mínguez-Vega, Gladys IOP Science (2014-10-22)
      This letter reports on a physical method to produce highly pure, size-controlled and well-dispersed spherical gold nanoparticles (NPs) in Therminol VP-1 by pulsed laser ablation in liquids (PLAL) using a 30 fs Ti:Sapphire ...

    • openAccess   Fabrication of high stable gold nanofluid by pulsed laser ablation in liquids 

      Torres-Mendieta, Rafael; Mondragon, Rosa; Juliá Bolívar, José Enrique; Mendoza-Yero, Omel; Lancis, Jesús; Mínguez-Vega, Gladys Copyright © 2015 VBRI Press (2015-11)
      Laser ablation in liquids by femtosecond radiation has been used to generate gold nanoparticles in a heat transfer fluid to produce a high stable thermal nanofluid as a heat transfer intensification technique. In oil based ...

    • openAccess   Femtosecond filamentation in sapphire with diffractive lenses 

      Borrego Varillas, Rocío; Romero, Carolina; Mendoza-Yero, Omel; Mínguez-Vega, Gladys; Gallardo, I.; Vázquez de Aldana, Javier R. Optical Society of America (2013)
      In this paper, we demonstrate novel properties in the phenomenology of supercontinuum generation in sapphire with diffractive lenses and provide a complete spatial, spectral, and temporal characterization of the so-generated ...

    • closedAccess   Femtosecond laser micromachining with extended depth of focus by using diffractive lenses 

      Torres Peiró, Salvador; González Ausejo, Jennifer; Mendoza-Yero, Omel; Mínguez-Vega, Gladys; Lancis, Jesús Elsevier (2014-06-01)
      We show that a simple diffraction focusing element can alleviate mechanical tolerances in ultrafast laser microprocessing. In particular, we experimentally demonstrate that, in comparison with a conventional refractive ...