Please use this identifier to cite or link to this item: https://doi.org/10.1364/OE.16.010208
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dc.titleTwo-step four-photon absorption
dc.contributor.authorGu, B.
dc.contributor.authorJi, W.
dc.date.accessioned2014-10-16T09:47:42Z
dc.date.available2014-10-16T09:47:42Z
dc.date.issued2008-07-07
dc.identifier.citationGu, B., Ji, W. (2008-07-07). Two-step four-photon absorption. Optics Express 16 (14) : 10208-10213. ScholarBank@NUS Repository. https://doi.org/10.1364/OE.16.010208
dc.identifier.issn10944087
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/98491
dc.description.abstractWe report a theoretical investigation of effective four-photon absorption (4PA) process and propose a two-step 4PA model of threephoton-induced excited-state absorption (ESA). Based on three-level rate-equation theory, we find an analytical result for the effective 4PA coefficient that depends on the three-photon absorption (3PA) cross-section, excited-state photophysical properties, and laser pulse duration. We present the analytical theory of the z-dependent nonlinear transmission for straightforwardly yet unambiguously evaluating the 3PA and effective 4PA coefficients simultaneously. © 2008 Optical Society of America.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1364/OE.16.010208
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1364/OE.16.010208
dc.description.sourcetitleOptics Express
dc.description.volume16
dc.description.issue14
dc.description.page10208-10213
dc.identifier.isiut000257564100021
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