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Please use this identifier to cite or link to this item: http://idr.iitbbs.ac.in/jspui/handle/2008/1392
Title: Strong third-order nonlinear response and optical limiting of ? -NiMoO4 nanoparticles
Authors: Das A.
Ratha S.
Yadav R.K.
Mondal A.
Rout C.S.
Adarsh K.V.
Issue Date: 2017
Citation: 6
Abstract: In this manuscript, we demonstrate the strong resonant two photon absorption coefficient 71 � 5 cm/GW at 532 nm in ?-NiMoO4 nanoparticles prepared by a facile hydrothermal method. Strikingly, we have obtained the optical limiting onset threshold fluence (FON) of 36 mJ/cm2 for the linear transmittance of 0.64 with an excellent two photon absorption cross section (38 � 10-45 cm4 s), which suggests that they can be utilized as passive optical limiters. To explain the observed effects, we present a two-level rate equation model and numerically simulated the Z-scan peak shape, which is in good agreement with the experimental data. Further, we also show the normalized population density of the carriers in excited and ground states. � 2017 Author(s).
URI: http://dx.doi.org/10.1063/1.4992806
http://10.10.32.48:8080/jspui/handle/2008/1392
Appears in Collections:Research Publications

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