Investigation of laser produced Fe plasma plume dynamics using time resolved imaging and snow plow model

S. Mahmood; L. Jiaji; S. V. Springham; T. L. Tan; R. S. Rawat; P. Lee

doi:10.1117/12.814577

3 October 2008 Investigation of laser produced Fe plasma plume dynamics using time resolved imaging and snow plow model

S. Mahmood, L. Jiaji, S. V. Springham, T. L. Tan, R. S. Rawat, P. Lee

Proceedings Volume 7155, Ninth International Symposium on Laser Metrology; 715523 (2008) https://doi.org/10.1117/12.814577
Event: Ninth International Symposium on Laser Metrology, 2008, Singapore, Singapore

Abstract

A theoretical and experimental study on the dynamics of pulsed laser generated Fe plasma is presented. The time resolved imaging of the plasma plume was done at two different Ar gas pressures of 2 and 20 mbar. Plasma ablation from the target was done using a pulsed Nd:YAG laser at 532 nm with a fluence of ~25 J/cm². The snow plow model is fitted to the experimental data of the plume front position, obtained by gated time resolved images, to estimate the ablation parameters. The simulation results are in good agreement with the experimental values.

Citation Download Citation

S. Mahmood, L. Jiaji, S. V. Springham, T. L. Tan, R. S. Rawat, and P. Lee "Investigation of laser produced Fe plasma plume dynamics using time resolved imaging and snow plow model", Proc. SPIE 7155, Ninth International Symposium on Laser Metrology, 715523 (3 October 2008); https://doi.org/10.1117/12.814577

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