Laser-produced annular plasmas

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dc.contributor.authorVeloso, F.
dc.contributor.authorChuaqui, H.
dc.contributor.authorAliaga Rossel, R.
dc.contributor.authorFavre, M.
dc.contributor.authorMitchell, I. H.
dc.contributor.authorWyndham, E.
dc.date.accessioned2024-01-10T12:40:02Z
dc.date.available2024-01-10T12:40:02Z
dc.date.issued2006
dc.description.abstractA new technique is presented for the formation of annular plasmas on a metal surface with a high-power laser using a combination of axicon and converging lenses. The annular plasma formed on a titanium target in a chamber of hydrogen gas was investigated using schlieren imaging and Mach Zehnder interferometry. Expansion of the plasma was shown to be anisotropic with velocities of similar to 10(3)-10(4) m/s. Electron densities of 10(18) cm(-3) were measured with radial profiles that confirm the presence of a hollow structure. The interferometric observations also show the presence of an inward shock wave traveling to the center of the annular plasma, which compresses the background neutrals, reaching a density around 18 times initial gas density, at 95 ns after the initial annular plasma is produced.
dc.fechaingreso.objetodigital2024-05-06
dc.format.extent5 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1063/1.2206773
dc.identifier.eissn1089-7623
dc.identifier.issn0034-6748
dc.identifier.urihttps://doi.org/10.1063/1.2206773
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/77263
dc.identifier.wosidWOS:000238732800026
dc.information.autorucFísica;Aliaga-Rossel R;S/I;50868
dc.information.autorucFísica;Chuaqui H;S/I;98761
dc.information.autorucFísica;Favre M;S/I;99732
dc.information.autorucFísica;Mitchell IH;S/I;100503
dc.information.autorucFísica;Veloso F;S/I;14943
dc.information.autorucFísica;Wyndham E;S/I;100407
dc.issue.numero6
dc.language.isoen
dc.nota.accesocontenido parcial
dc.publisherAMER INST PHYSICS
dc.revistaREVIEW OF SCIENTIFIC INSTRUMENTS
dc.rightsacceso restringido
dc.subjectABLATION
dc.titleLaser-produced annular plasmas
dc.typeartículo
dc.volumen77
sipa.codpersvinculados50868
sipa.codpersvinculados98761
sipa.codpersvinculados99732
sipa.codpersvinculados100503
sipa.codpersvinculados14943
sipa.codpersvinculados100407
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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