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dc.contributor.authorGarcía-Revilla, Sara-
dc.contributor.authorFernández, Joaquín-
dc.contributor.authorBarredo-Zuriarrain, Macarena-
dc.contributor.authorCarlos, Luis D.-
dc.contributor.authorPecoraro, Edison-
dc.contributor.authorIparraguirre, I.-
dc.contributor.authorAzkargorta, J.-
dc.contributor.authorBalda, Rolindes-
dc.date.accessioned2016-09-06T08:37:46Z-
dc.date.available2016-09-06T08:37:46Z-
dc.date.issued2015-
dc.identifierdoi: 10.1364/OE.23.001456-
dc.identifierissn: 1094-4087-
dc.identifier.citationOptics Express 23(2): 1456-1469 (2015)-
dc.identifier.urihttp://hdl.handle.net/10261/136374-
dc.description.abstractAt present the prediction and characterization of the emission output of a diffusive random laser remains a challenge, despite the variety of investigated materials and theoretical interpretations given up to now. Here, a new mode selection method, based on spatial filtering and ultrafast detection, which allows to separate individual lasing modes and follow their temporal evolution is presented. In particular, the work explores the random laser behavior of a ground powder of an organic-inorganic hybrid compound based on Rhodamine B incorporated into a di-ureasil host. The experimental approach gives direct access to the mode structure and dynamics, shows clear modal relaxation oscillations, and illustrates the lasing modes stochastic behavior of this diffusive scattering system. The effect of the excitation energy on its modal density is also investigated. Finally, imaging measurements reveal the dominant role of diffusion over amplification processes in this kind of unconventional lasers.-
dc.description.sponsorshipFinancial support for this work was provided by the Spanish Government under project FIS2011-27968, by the Basque Country Government (IT-659-13) and Saiotek (SPE11UN072), and by the Fundaçao para a Ciência e a Tecnologia (FCT, Portugal), FEDER and COMPETE, under contract Pest-C/CTM/LA0011/2013. SGR thanks the Research Association MPC for a post-doctoral appointment.-
dc.publisherOptical Society of America-
dc.rightsclosedAccess-
dc.titleDiffusive random laser modes under a spatiotemporal scope-
dc.typeartículo-
dc.identifier.doi10.1364/OE.23.001456-
dc.date.updated2016-09-06T08:37:47Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.contributor.funderEusko Jaurlaritza-
dc.contributor.funderMinisterio de Economía y Competitividad (España)-
dc.contributor.funderEuropean Commission-
dc.contributor.funderCSIC-UPV - Centro de Física de Materiales (CFM)-
dc.contributor.funderFundação para a Ciência e a Tecnologia (Portugal)-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100001871es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003086es_ES
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