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Proceedings Paper

Two-dimensional simulation of nanocluster formation and comparison with experiments
Author(s): Tomomasa Ohkubo; Masahiro Kuwata; Boris S. Luk'yanchuk; Takashi Yabe
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Paper Abstract

The CIP method is used to calculate macroscopic plume expansion combined with the Zeldovich-Raiser theory for cluster formation process such as nucleation and growth. The effect of background gas and latent heat is examined in one-dimensional case. The latent heats keep the plume temperature at 2500K for a long period and this explains the delayed photoluminescence. Two contradicting experiments on the size dependence on ambient pressure are clearly explained and are attributed to the difference of laser energy. In two dimensional simulation, mushroom-like plume shape is replicated consistent with experimental results.

Paper Details

Date Published: 13 September 2002
PDF: 8 pages
Proc. SPIE 4760, High-Power Laser Ablation IV, (13 September 2002); doi: 10.1117/12.482083
Show Author Affiliations
Tomomasa Ohkubo, Tokyo Institute of Technology (Japan)
Masahiro Kuwata, Tokyo Institute of Technology (Japan)
Boris S. Luk'yanchuk, General Physics Institute (Singapore)
Takashi Yabe, Tokyo Institute of Technology (Japan)


Published in SPIE Proceedings Vol. 4760:
High-Power Laser Ablation IV
Claude R. Phipps, Editor(s)

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