Phys. Rev. Lett. 75, 2324–2327 (1995)Control of Bright Picosecond X-Ray Emission from Intense Subpicosecond Laser-Plasma InteractionsReceived 23 February 1995; published in the issue dated 18 September 1995 Using temporally and spectrally resolved diagnostics, we show that the pulse duration of laser-produced soft x rays emitted from solid targets can be controlled, permitting a reduction to as short as a few picoseconds. To enable this control, only a single parameter must be adjusted, namely, the intensity of the high-contrast ultrashort laser pulse (400 fs). These results are found to be in qualitative agreement with a simple model of radiation from a collisionally dominated atomic system. © 1995 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.75.2324
DOI:
10.1103/PhysRevLett.75.2324
PACS:
42.60.Gd, 07.85.Fv, 32.30.Rj, 52.25.Nr
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