Measurement of the expansion of picosecond laser-produced plasmas using resonance absorption profile spectroscopy
- 2 October 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 63 (14), 1475-1478
- https://doi.org/10.1103/physrevlett.63.1475
Abstract
Time-resolved, submicron density scale lengths in picosecond laser-produced plasmas are measured using resonance absorption profile spectroscopy. The density scale length at critical density is inferred from the angle and polarization dependence of the absorption of a picosecond laser pulse in a performed plasma. The early expansion of picosecond laser-produced plasmas produced from an Au target is studied, with measured scale lengths in the range of ∼1000–5000 Å.Keywords
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