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dc.date.accessioned 2019-11-13T17:57:38Z
dc.date.available 2019-11-13T17:57:38Z
dc.date.issued 2013
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/85551
dc.description.abstract We report a series of experiments on laser pulsed photoacoustic excitation in turbid polymer samples addressed to evaluate the sound speed in the samples and the presence of inhomogeneities in the bulk. We describe a system which allows the direct measurement of the speed of the detected waves by engraving the surface of the piece under study with a fiduciary pattern of black lines. We also describe how this pattern helps to enhance the sensitivity for the detection of an inhomogeneity in the bulk. These two facts are useful for studies in soft matter systems including, perhaps, biological samples. We have performed an experimental analysis on Grilon®samples in different situations and we show the limitations of the method. en
dc.language en es
dc.subject Laser es
dc.subject Sound speed es
dc.subject Inhomogeneities es
dc.title Enhancement of photoacoustic detection of inhomogeneities in polymers en
dc.type Articulo es
sedici.identifier.other doi:10.4279/PIP.050005 es
sedici.identifier.other eid:2-s2.0-85065165941 es
sedici.identifier.issn 1852-4249 es
sedici.creator.person Grondona, P. es
sedici.creator.person Di Rocco, Héctor O. es
sedici.creator.person Iriarte, D. I. es
sedici.creator.person Pomarico, J. A. es
sedici.creator.person Ranea Sandoval, Héctor F. es
sedici.creator.person Bilmes, Gabriel Mario es
sedici.subject.materias Ingeniería es
sedici.description.fulltext true es
mods.originInfo.place Facultad de Ingeniería es
sedici.subtype Articulo es
sedici.rights.license Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by-nc-sa/4.0/
sedici.description.peerReview peer-review es
sedici.relation.journalTitle Papers in Physics es
sedici.relation.journalVolumeAndIssue vol. 5 es
sedici.rights.sherpa * Color: green * Pre-print del autor: si * Post-print del autor: si * Versión de editor/PDF:si * Condiciones: >>Authors retain copyright >>On institutional repository or author's personal website >>Published source must be acknowledged with citation >>Creative Commons Attribution License 3.0 >>Publisher's version/PDF may be used >>Publisher last contacted on 02/06/2015 * Link a Sherpa: http://sherpa.ac.uk/romeo/issn/1852-4249/es/


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Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) Excepto donde se diga explícitamente, este item se publica bajo la siguiente licencia Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)