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Proceedings Paper

Experimental investigation on colloidal alumina nanoparticles produced by collinear nanosecond double-pulse laser ablation in liquid
Author(s): M. H. Mahdieh; B. Fattahi; M. Akbari Jafarabadi
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Paper Abstract

In this research, we investigated the effect of inter-pulse delay times on production of colloidal alumina nanoparticles by collinear double pulse laser ablation. In comparison to single pulse laser ablation, collinear double pulse laser ablation with inter-pulse delay times of 5, 10, 15 and 20 ns results in production of colloidal nanoparticles with smaller mean size and lower variance size distribution. In the case of 5 ns inter-pulse delay time, the highest concentration of nanoparticles was obtained due to more rapid cooling time of the plasma as a result of higher rate of nuclei generation than particle growth. The results also showed that the main pulse and the pre-pulse with 5 ns delay time have significant overlap and consequently such condition leads to maximum influence on the ablation.

Paper Details

Date Published: 13 January 2017
PDF: 6 pages
Proc. SPIE 10254, XXI International Symposium on High Power Laser Systems and Applications 2016, 102541H (13 January 2017); doi: 10.1117/12.2257277
Show Author Affiliations
M. H. Mahdieh, Iran Univ. of Science and Technology (Iran, Islamic Republic of)
B. Fattahi, Iran Univ. of Science and Technology (Iran, Islamic Republic of)
M. Akbari Jafarabadi, Iran Univ. of Science and Technology (Iran, Islamic Republic of)


Published in SPIE Proceedings Vol. 10254:
XXI International Symposium on High Power Laser Systems and Applications 2016
Dieter Schuoecker; Richard Majer; Julia Brunnbauer, Editor(s)

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