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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/5960
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dc.contributor.authorAnand, Benoy-
dc.contributor.authorRoy, Nivya-
dc.contributor.authorSiva Sankara Sai, S.-
dc.contributor.authorPhilip, Reji-
dc.date.accessioned2014-09-03T08:39:15Z-
dc.date.available2014-09-03T08:39:15Z-
dc.date.issued2013-05-
dc.identifier.citationApplied Physics Letters, 2013, Vol.102, p203302en
dc.identifier.issn0003-6951-
dc.identifier.issn1077-3118(Online)-
dc.identifier.urihttp://hdl.handle.net/2289/5960-
dc.descriptionOpen Accessen
dc.description.abstractMeasurement of the wavelength dispersion of optical limiting in materials can provide invaluable information useful for laser safety device applications. However, it can be a tedious task when conventional tunable laser sources like the optical parametric amplifier are employed for excitation. Here we report the spectral dispersion of ultrafast optical limiting in the laser dye Coumarin-120 in the wavelength region 630 to 900 nm, measured in a single Z-scan, using the white-light continuum as the excitation source. Optical limiting is found to arise from two-photon absorption, and its spectrum agrees very well in shape with the linear absorption spectrum.en
dc.language.isoenen
dc.publisherAmerican Institute of Physicsen
dc.relation.urihttp://dx.doi.org/10.1063/1.4807151en
dc.rights2013 American Institute of Physics This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.en
dc.subjectAbsorption spectraen
dc.subjectMultiphoton absorptionen
dc.subjectOptical dispersionen
dc.subjectUltrafast measurementsen
dc.titleSpectral dispersion of ultrafast optical limiting in Coumarin-120 by white-light continuum Z-scanen
dc.typeArticleen
Appears in Collections:Research Papers (LAMP)

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