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Proceedings Paper

Solvent effect and wavelength effect of laser-synthesized carbon nanoparticle colloids on optical limiting
Author(s): G. X. Chen; Ming Hui Hong; Z. B. Wang; H. I. Elim; W. Z. Chen; Hwee Ming Lam; Wei Ji; Tow Chong Chong
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Paper 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.

Paper Details

Date Published: 8 October 2004
PDF: 6 pages
Proc. SPIE 5662, Fifth International Symposium on Laser Precision Microfabrication, (8 October 2004); doi: 10.1117/12.595849
Show Author Affiliations
G. X. Chen, Data Storage Institute (Singapore)
National Univ. of Singapore (Singapore)
Ming Hui Hong, Data Storage Institute (Singapore)
National Univ. of Singapore (Singapore)
Z. B. Wang, Data Storage Institute (Singapore)
National Univ. of Singapore (Singapore)
H. I. Elim, National Univ. of Singapore (Singapore)
W. Z. Chen, National Univ. of Singapore (Singapore)
Hwee Ming Lam, Data Storage Institute (Singapore)
Wei Ji, National Univ. of Singapore (Singapore)
Tow Chong Chong, Data Storage Institute (Singapore)
National Univ. of Singapore (Singapore)


Published in SPIE Proceedings Vol. 5662:
Fifth International Symposium on Laser Precision Microfabrication
Isamu Miyamoto; Henry Helvajian; Kazuyoshi Itoh; Kojiro F. Kobayashi; Andreas Ostendorf; Koji Sugioka, Editor(s)

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