Solvent effect and wavelength effect of laser-synthesized carbon nanoparticle colloids on optical limiting

G. X. Chen; Ming Hui Hong; Z. B. Wang; H. I. Elim; W. Z. Chen; Hwee Ming Lam; Wei Ji; Tow Chong Chong

doi:10.1117/12.595849

8 October 2004 Solvent effect and wavelength effect of laser-synthesized carbon nanoparticle colloids on optical limiting

G. X. Chen, Ming Hui Hong, Z. B. Wang, H. I. Elim, W. Z. Chen, Hwee Ming Lam, Wei Ji, Tow Chong Chong

Author Affiliations +

Proceedings Volume 5662, Fifth International Symposium on Laser Precision Microfabrication; (2004) https://doi.org/10.1117/12.595849
Event: Fifth International Symposium on Laser Precision Microfabrication, 2004, Nara, Japan

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.

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G. X. Chen, Ming Hui Hong, Z. B. Wang, H. I. Elim, W. Z. Chen, Hwee Ming Lam, Wei Ji, and Tow Chong Chong "Solvent effect and wavelength effect of laser-synthesized carbon nanoparticle colloids on optical limiting", Proc. SPIE 5662, Fifth International Symposium on Laser Precision Microfabrication, (8 October 2004); https://doi.org/10.1117/12.595849

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