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High-Resolved X-ray Spectra of Hollow Atoms in a Femtosecond Laser-Produced Solid Plasma
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1999
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High-resolved X-ray SpectraX-ray SpectroscopyQuasi-continuous SpectraPhysicsNew TypeOptical PropertiesSpectroscopyEngineeringApplied PhysicsHollow AtomsFemtosecond Laser PlasmaAtomic PhysicsNatural SciencesPlasma PhysicsLaser-plasma InteractionRelativistic Laser-matter InteractionLaser Plasma PhysicLaser-induced Breakdown
A new type of quasi-continuous spectra of femtosecond laser plasma in the vicinity of multicharged H-like and He-like ion resonance lines were observed and interpreted for the first time. It is shown that such spectra were generated by multicharged hollow ions and are caused by super high density conditions provided by a high contrast laser pulse.