Observation of Subpicosecond X-Ray Emission from Laser-Cluster Interaction
Journal Article
·
· Physical Review Letters
- Universite Bordeaux I, CNRS, CEA, CELIA UMR 5107, 351 cours de la Liberation, Talence, F-33405 (France)
We present the first experimental evidence of the subpicosecond duration of x-ray pulses emitted from laser-irradiated clusters, demonstrating the suitability of such a debris free target for ultrafast x-ray science applications. The K-shell emission ({approx}3 keV) from large Ar clusters (6x10{sup 5} to 4x10{sup 6} atoms) is time resolved, when irradiated by ultrashort (40 fs to 5 ps) and intense laser pulses (10{sup 15-17} W/cm{sup 2}). The observations are supported by hydrodynamical and collisional-radiative calculations, that reproduce the extremely short x-ray pulse duration.
- OSTI ID:
- 21132447
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 20 Vol. 100; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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