Isotope separation and enrichment by ultrafast laser ablation

Paul A. VanRompay; Zhiyu Zhang; John A. Nees; Peter P. Pronko

doi:10.1117/12.386346

23 May 2000 Isotope separation and enrichment by ultrafast laser ablation

Paul A. VanRompay, Zhiyu Zhang, John A. Nees, Peter P. Pronko

Proceedings Volume 3934, Commercial and Biomedical Applications of Ultrafast Lasers II; (2000) https://doi.org/10.1117/12.386346
Event: Symposium on High-Power Lasers and Applications, 2000, San Jose, CA, United States

Abstract

Spatial separation of isotopes in ultrafast laser ablation plumes is observed for a variety of elements in the periodic table. Observations are made with a charge-state discriminating mass analyzer as a function of angle relative to the center of the ablation plume. Data is presented for femtosecond and picosecond laser pulses showing enrichments by factors of 2 to 20 depending on element, charge state, and laser pulse duration. Thin films are deposited from the plasma plumes, as a function of distance from the ablation source, and used to record the spatial distribution of isotopes. This information is utilized to construct a model for the isotopic separation process and to infer characteristics of the electromagnetic fields in the ablation plasmas.

Citation Download Citation

Paul A. VanRompay, Zhiyu Zhang, John A. Nees, and Peter P. Pronko "Isotope separation and enrichment by ultrafast laser ablation", Proc. SPIE 3934, Commercial and Biomedical Applications of Ultrafast Lasers II, (23 May 2000); https://doi.org/10.1117/12.386346

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