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Título

Time-resolved random laser spectroscopy of inhomogeneously broadened systems

AutorFernández, Joaquín ; García-Revilla, Sara; Carlos, Luis D.; Pecoraro, Edison; Arriandiaga, M. A.; Balda, Rolindes
Palabras claveTime-resolved luminescence
Excited state relaxation dynamics
Förster resonance energy transfer
Random lasers
Fecha de publicación2014
EditorWiley-VCH
CitaciónLaser and Photonics Reviews 8(3): L32-L36 (2014)
ResumenThe understanding of energy transfer processes in biological systems occurring among optical centres which exhibit inhomogeneously broadened spectral bands is of paramount importance to determine time constants and spatial distribution of energy flow. A new time resolved-spectroscopy based on the random laser generation of the optical probes is reported. As an example, the excited state relaxation of Rhodamine B molecules in an organic-inorganic hybrid material is investigated. This kind of spectroscopy may resolve not only the spectral features of the system but also provide a high speed picture of the energy transfer and excited state relaxation of the involved optical probes. The results could be applied to other kind of efficient interacting chromophore pairs embedded in inhomogeneous scattering structures such as biological tissues. The understanding of energy transfer processes in biological systems occurring among optical centres which exhibit inhomogeneously broadened spectral bands is of importance to determine time constants and spatial distribution of energy flow. A new time resolved-spectroscopy based on the random laser generation of the optical probes is reported. The excited state relaxation of Rhodamine B molecules in an organic-inorganic hybrid material is investigated.
Versión del editorhttp://dx.doi.org/10.1002/lpor.201300191
URIhttp://hdl.handle.net/10261/102686
DOI10.1002/lpor.201300191
ISSN1863-8880
E-ISSN1863-8899
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