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Title: Optical limiting phenomena of carbon nanoparticles prepared by laser ablation in liquids
Authors: Chen, G.X. 
Hong, M.H. 
Tan, L.S. 
Chong, T.C. 
Elim, H.I. 
Chen, W.Z.
Ji, W. 
Issue Date: 1-Apr-2007
Source: Chen, G.X.,Hong, M.H.,Tan, L.S.,Chong, T.C.,Elim, H.I.,Chen, W.Z.,Ji, W. (2007-04-01). Optical limiting phenomena of carbon nanoparticles prepared by laser ablation in liquids. Journal of Physics: Conference Series 59 (1) : 289-292. ScholarBank@NUS Repository.
Abstract: We report optical limiting properties of carbon nanoparticles, which were made in liquids by laser ablation of a bulk carbon target. The carbon nanoparticles were analyzed with micro-Raman spectroscopy, UV-Vis spectroscopy and Electron microscopy. Optical limiting responses towards 532-nm wavelength were measured with a 7-ns Nd:YAG laser. Nanoparticle size and laser pulse repetition rate effects on optical limiting behaviour were studied. A model was proposed to explain the physical origin of this nonlinear optical process. This work can provide useful information for designing carbon nanoparticle based optical limiters. © 2007 IOP Publishing Ltd.
Source Title: Journal of Physics: Conference Series
ISSN: 17426588
DOI: 1/060
Appears in Collections:Staff Publications

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