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] 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 ...
González Mateo, Enrique Manuel(Universitat Politècnica de València, 2022-01-12)
[ES] En este trabajo se describe teórica y numéricamente un metamaterial acústico basado en poros
que producen una absorción cuasi perfecta en transmisión. Los poros están optimizados para
soportar resonancias simétricas ...