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Updated: Apr 30, 2026

Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses
Published on: July 2, 2012
Note: application of UF-4 emulsion films to detect low-energy ions from plasmas produced by laser ablation
M Nishio1, I Shrestha2, V L Kantsyrev2
1Department of Electrical and Electronic Engineering, Anan National College of Technology, Tokushima 774-0017, Japan.
Abstract:
Detection of low-energy ions via Thomson parabola mass analyzer in the absence of any additional electrical systems is examined. Numerous low-energy ions were recorded on UF-4 solid state emulsion films. Kinetic energies between 1 and 4 keV of ions generated by YAG laser focused on Al and Ti targets were obtained using Thomson parabola measurements. Characteristics of ion tracks on the UF-4 detector are discussed in terms of pressure ranges of vacuum chamber. Moreover, differences in charges of ions between this study and previous spectroscopic measurements are discussed.
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