Formation, structure and nonlinear optical properties of carbon nanoparticles synthesized by pulsed laser ablation |
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| Authors: | GX Chen MH Hong Q He WZ Chen HI Elim W Ji TC Chong |
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| Institution: | (1) Data Storage Institute, DSI Building, 5 Engineering Drive 1, 117608 Singapore, Singapore;(2) Department of Electrical and Computer Engineering, National University of Singapore, 1 Engineering Drive 3, 117576 Singapore, Singapore;(3) Department of Physics, National University of Singapore, 2 Science Drive 3, 117542 Singapore, Singapore |
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| Abstract: | Carbon nanoparticles were prepared by pulsed laser ablation in argon gas for studying their formation, properties and applications. The nanoparticles were produced at different background pressures and different substrate temperatures, respectively. Micro-Raman spectroscopy, X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used to analyze the samples. Nonlinear optical limiting properties of the carbon nanoparticles were characterized using nanosecond laser pulses. Uniform carbon nanoparticles can be synthesized in a background gas for nonlinear optical applications. PACS 61.46.+w; 81.07.-b; 78.20.-e |
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