Listar FCA_Articles por autoría "e3acfa2c-c3cf-45b1-8063-1d98baba66bd"

Mostrando ítems 1-19 de 19

    • 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 ...

    • 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   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   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-laser-irradiation-induced structural organization and crystallinity of Bi2WO6 

      Pinatti, Ivo M; Gouveia, Amanda; Doñate-Buendía, Carlos; Mínguez-Vega, Gladys; Longo, Elson Nature Research (2020)
      Controlling the structural organization and crystallinity of functional oxides is key to enhancing their performance in technological applications. In this work, we report a strong enhancement of the structural organization ...

    • openAccess   Fractal generalized zone plates 

      Mendoza-Yero, Omel; Fernández Alonso, Mercedes; Mínguez-Vega, Gladys; Lancis, Jesús; Climent, Vicent; Monsoriu, Juan A. Optical Society of America (2009)
      The construction of fractal generalized zone plates (FraGZPs) from a set of periodic diffractive optical elements with circular symmetry is proposed. This allows us to increase the number of foci of a conventional fractal ...

    • openAccess   Fresnel phase retrieval method using an annular lens array on an SLM 

      Loriot, Vincent; Mendoza-Yero, Omel; Pérez Vizcaíno, Jorge; Mínguez-Vega, Gladys; De Nalda, R.; Bañares, Luis; Lancis, Jesús Springer (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 laser beam. The ...

    • openAccess   Green nanoparticle synthesis at scale : a perspective on overcoming the limits of pulsed laser ablation in liquids for high-throughput production 

      Khairani, Inna Yusnila; Mínguez-Vega, Gladys; Doñate-Buendía, Carlos; Gökce, Bilal Royal Society of Chemistry (2023-07-06)
      Nanoparticles have become increasingly important for a variety of applications, including medical diagnosis and treatment, energy harvesting and storage, catalysis, and additive manufacturing. The development of nanoparticles ...

    • openAccess   In situ decoration of graphene sheets with gold nanoparticles synthetized by pulsed laser ablation in liquids 

      Torres-Mendieta, Rafael; Ventura Espinosa, David; Sabater López, Sara; Lancis, Jesús; Mínguez-Vega, Gladys; Mata Martínez, Jose A (2016-07)
      The demand for nanocomposites of graphene and carbonaceous materials decorated with metallic nanoparticles is increasing on account of their applications in science and technology. Traditionally, the production of ...

    • openAccess   Inactivation of SARS-CoV-2 by a chitosan/α-Ag2WO4 composite generated by femtosecond laser irradiation 

      Pereira, Paula; de Paula e Silva, Ana Carolina Alves; Alves da Silva Pimentel, Bruna Natália; Pinatti, Ivo M; Simões, Alexandre; Vergani, Carlos; Barreto-Vieira, Debora Ferreira; da Silva, Marcos Alexandre Nunes; Dias Miranda, Milene; Santos Monteiro, Maria Eduarda; Tucci, Amanda Resende; Doñate-Buendía, Carlos; Mínguez-Vega, Gladys; Andres, Juan; Longo, Elson Nature Research (2022)
      In the current COVID‑19 pandemic, the next generation of innovative materials with enhanced anti‑ SARS‑CoV‑2 activity is urgently needed to prevent the spread of this virus within the community. Herein, we report the ...

    • closedAccess   Optical Filter Based on a Spatially Patterned Kinoform Diffractive Lens 

      Mínguez-Vega, Gladys; Mendoza-Yero, Omel; Tajahuerce, Enrique; Lancis, Jesús; Andrés, Pedro Institute of Electrical and Electronics Engineers (IEEE) (2009)
      We demonstrate a compact all-diffractive setup for spectral synthesis. The system is composed of a circularly symmetric mask attached to a kinoform diffractive lens. Following diffraction-based analysis, a Fourier transform ...

    • openAccess   Optical filters with fractal transmission spectra based on diffractive optics 

      Mendoza-Yero, Omel; Mínguez-Vega, Gladys; Fernández Alonso, Mercedes; Lancis, Jesús; Tajahuerce, Enrique; Climent, Vicent; Monsoriu, Juan A. Optical Society of America (2009)
      The duality between the axial irradiance distribution originated by any circularly symmetric diffracting aperture under monochromatic illumination and its diffracted spectral intensity at a fixed on-axis point under broadband ...

    • openAccess   Overcoming the barrier of nanoparticle production by femtosecond laser ablation in liquids using simultaneous spatial and temporal focusing 

      Doñate-Buendía, Carlos; Fernández-Alonso, Mercedes; Lancis, Jesús; Mínguez-Vega, Gladys Optical Society of America (2019)
      There exists an increasing demand of industrial-scale production of high-purity ligand-free nanoparticles due to the continuous development of biomedicine, catalysis, and energy applications. In this contribution, a ...

    • openAccess   Spatial-chirp compensation in dynamical holograms reconstructed with ultrafast lasers 

      Martínez-León, Lluís; Clemente Pesudo, Pedro Javier; Tajahuerce, Enrique; Mínguez-Vega, Gladys; Mendoza-Yero, Omel; Fernández Alonso, Mercedes; Lancis, Jesús; Climent, Vicent; Andrés, Pedro American Institute of Physics (2008)
      A computer generated hologram (CGH) reconstructed with a sub-100-fs laser pulse at the focal plane of a conventional refractive lens experiences a large amount of spatial chirp. We report the shaping of a 12 fs laser pulsed ...

    • openAccess   Spectral analysis of femtosecond pulse diffraction through binary diffractive optical elements: theory and experiment 

      Mendoza-Yero, Omel; Mínguez-Vega, Gladys; Lancis, Jesús; Tajahuerce, Enrique; Climent, Vicent Optical Society of America (2008)
      We report on the changes in the spectrum of a femtosecond pulse originated by diffraction of the ultrashort waveform through a circularly symmetric binary diffractive optical element. The analysis is performed in the ...

    • openAccess   Toward Expanding the Optical Response of Ag2CrO4 and Bi2O3 by Their Laser-Mediated Heterojunction 

      Torres-Mendieta, Rafael; Teixeira, Mayara Mondego; Mínguez-Vega, Gladys; de Souza, Daniele; Galvão Gobato, Yara; Assis, Marcelo de; Beltrán Mir, Héctor; Cordoncillo, Eloisa; Andres, Juan; Cernik, Miroslav; Longo, Elson American Chemical Society (2020-11-18)
      The formation of heterojunctions between semiconductors with distinct properties usually expands their capabilities. In this context, many methodologies have been employed in pursuing efficient and fruitful heterojunctions. ...

    • openAccess   Towards the scale-up of the formation of nanoparticles on α -Ag 2 WO 4 with bactericidal properties by femtosecond laser irradiation 

      Assis, Marcelo de; Cordoncillo, Eloisa; Torres-Mendieta, Rafael; Beltrán Mir, Héctor; Mínguez-Vega, Gladys; Oliveira, Regiane; Leite, Edson R.; Foggi, Camila Cristina; Vergani, Carlos; Longo, Elson; Andres, Juan Nature Publishing Group (2018)
      In recent years, complex nanocomposites formed by Ag nanoparticles coupled to an α-Ag2WO4 semiconductor network have emerged as promising bactericides, where the semiconductor attracts bacterial agents and Ag nanoparticles ...