Parametric acoustic generation provides the possibility to obtain narrow and nearly side-lobe free acoustic beams for low frequencies. In this way, the nonlinear interaction of two intense beams with close frequencies ...
Krushynska, Anastasiia O.; Torrent, Daniel; Aragón, Alejandro M.; Ardito, Raffaele; Bilal, Osama R.; Bonello, Bernard; Bosia, Federico; Chen, Yi; Christensen, Johan; Colombi, Andrea; Cummer, Steven A.; Djafari-Rouhani, Bahram; Fraternali, Fernando; Galich, Pavel I.; García, Pedro David; Groby, Jean-Philippe; Jimenez, Noe; Picó Vila, Rubén(Walter de Gruyter GmbH, 2023-02-23)
[EN] This broad review summarizes recent advances and "hot " research topics in nanophononics and elastic, acoustic, and mechanical metamaterials based on results presented by the authors at the EUROMECH 610 Colloquium ...
Jiménez González, Noe(Universitat Politècnica de València, 2014-12-04)
El presente trabajo está contemplado desde el punto de vista de un proyecto fin
de carrera, orientado al análisis e investigación. El tema a tratar es el estudio
acústico de un recinto, con la especial particularidad de ...
Pi Martín, Irene(Universitat Politècnica de València, 2021-09-13)
[ES] La tomografía fotoacústica (PAT) es una modalidad emergente de imagen biomédica de alta resolución con gran potencial clínico que combina el uso de técnicas ópticas y acústicas para la formación de imágenes de tejido ...
Camblor Iglesias, Pablo(Universitat Politècnica de València, 2013-11-18)
El principal impedimento para lograr la administración de fármacos en el interior del sistema nervioso
central (SNC) es lograr que las moléculas terapéuticas atraviesen el tejido endotelial debido a la barrera
hematoencefálica, ...
Jiménez Gambín, Sergio(Universitat Politècnica de València, 2016-10-21)
Algunas enfermedades neurodegenerativas como el Alzheimer o el Parkinson se
podrían tratar combinando los ultrasonidos focalizados con la técnica de inyección de
microburbujas, permitiendo así la apertura de la BHE ...
Pi-Martín, Irene; García-Garrigós, J. J.; Cebrecos, Alejandro; Jimenez, Noe; Camarena Femenia, Francisco(Sociedad Española de Acústica, 2022)
[ES] La tomografía fotoacústica (PAT) es una modalidad
emergente de imagen biomédica con gran potencial clínico que combina el uso de técnicas ópticas y acústicas
para la formación de imágenes de alta resolución de los
tejidos ...
[EN] Focused ultrasound (FUS) with microbubbles allows for non-invasive targeted drug delivery into the central nervous system (CNS) by temporally and locally disrupting the bloodbrain barrier (BBB). However, current FUS ...
Jimenez, Noe; Picó Vila, Rubén; Sánchez Morcillo, Víctor José; Romero García, Vicente; García-Raffi, L. M.; Staliünas, Kestutis(American Physical Society, 2016-11-23)
The formation of high-order Bessel beams by a passive acoustic device consisting of an Archimedes' spiral diffraction grating is theoretically, numerically, and experimentally reported in this paper. These beams are ...
Salmerón Contreras, Luis José; García-Raffi, L. M.; Jimenez, Noe; Mehrem, Ahmed; Picó Vila, Rubén; Sánchez Morcillo, Víctor José; Staliunas, K.(Universidade do Porto, 2016-06-15)
[EN] In this work we study numerically the existence of gap solitons in an acoustic media. To approach the
problem a set of coupled-mode equations are given. In order to obtain a solitary wave in a real media,
it is necessary ...
[EN] We report zero-th and high-order acoustic Bessel beams with broad depth-of-field generated using acoustic holograms. While the transverse field distribution of Bessel beams generated using traditional passive methods ...
Andrés-Bautista, Diana; Jiménez-Gambín, Sergio; Jimenez, Noe; Camarena Femenia, Francisco(SOCIEDAD ESPAÑOLA DE ACUSTICA, 2021)
[EN] Focused ultrasound has acquired great importance in
the treatment of neurological diseases due to its ability to
generate therapeutic effects in a in precise, non-invasive,
and non-ionizing way. However, focusing ...
[EN] We report 3D-printed acoustic holographic lenses for the formation of ultrasonic fields of complex spatial distribution inside the skull. Using holographic lenses, we experimentally, numerically and theoretically ...
[EN] Hyperthermia is currently used to treat cancer due to its ability to radio- and chemo-sensitize and to stimulate the immune response. While ultrasound is non-ionizing and can induce hyperthermia deep within the body ...
[EN] The absorption performance of a locally-reacting acoustic metamaterial under oblique incidence is studied. The metamaterial is composed of a slotted panel, each slit being loaded by an array of Helmholtz resonators. ...
Chaline, Jennifer; Jimenez, Noe; Mehrem, Ahmed; Bouakaz, Ayache; Dos Santos, Serge; Sánchez Morcillo, Víctor José(Acoustical Society of America, 2015)
[EN] Microbubbles, either in the form of free gas bubbles surrounded by a fluid or encapsulated bubbles used currently as contrast agents for medical echography, exhibit complex dynamics under specific acoustic excitations. ...
Cebrecos, Alejandro; Company, Miguel; Jimenez, Noe; Benlloch Baviera, Jose María; Camarena Femenia, Francisco(Acoustical Society of America, 2019-09-06)
[EN] A new method that combines transient magnetic forces with ultrasonic imaging and allows the local experimental characterization of the complex shear modulus of a viscoelastic medium is presented. By measuring the ...
Ballestero, E.; Jimenez, Noe; Groby, J.-P.; Aygun, H.; Dance, S.; Romero-García, V.(American Institute of Physics, 2021-07-26)
[EN] Sound diffusion refers to the ability of a surface to evenly scatter sound energy in both time and space. However, omni-directional radiation of sound, or perfect diffusion, can be impractical or difficult to reach ...
[EN] We present deep-subwavelength diffusing surfaces based on acoustic metamaterials, namely metadiffusers. These sound diffusers are rigidly backed slotted panels, with each slit being loaded by an array of Helmholtz ...