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|Title:||Solvent effect and wavelength effect of laser-synthesized carbon nanoparticle colloids on optical limiting|
|Authors:||Chen, G.X. |
|Citation:||Chen, G.X., Hong, M.H., Wang, Z.B., Elim, H.I., Chen, W.Z., Lam, H.M., Ji, W., Chong, T.C. (2004). Solvent effect and wavelength effect of laser-synthesized carbon nanoparticle colloids on optical limiting. Proceedings of SPIE - The International Society for Optical Engineering 5662 : 71-76. ScholarBank@NUS Repository. https://doi.org/10.1117/12.595849|
|Abstract:||We report the optical limiting response of carbon nanoparticle colloids in different organic solvents. The carbon nanoparticles were prepared by Nd:YAG laser ablation of carbon target immersed in ethanol. Optical limiting properties towards 532 and 1064 nm wavelengths were measured with a 7-ns pulsed Nd:YAG laser. Strong optical limiting effect was detected for the carbon nanoparticle colloids within a solvent having low thermal conductivity. The limiting effect at 532 nm is stronger than that at 1064 nm. Possible mechanisms of optical limiting were discussed.|
|Source Title:||Proceedings of SPIE - The International Society for Optical Engineering|
|Appears in Collections:||Staff Publications|
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