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https://doi.org/10.1117/12.595849
Title: | Solvent effect and wavelength effect of laser-synthesized carbon nanoparticle colloids on optical limiting | Authors: | Chen, G.X. Hong, M.H. Wang, Z.B. Elim, H.I. Chen, W.Z. Lam, H.M. Ji, W. Chong, T.C. |
Keywords: | Carbon nanoparticles Laser ablation Nonlinear optics Optical limiting TEM UB-Bis spectroscopy |
Issue Date: | 2004 | 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 | URI: | http://scholarbank.nus.edu.sg/handle/10635/51247 | ISSN: | 0277786X | DOI: | 10.1117/12.595849 |
Appears in Collections: | Staff Publications |
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