Formation of the energetic doubly charged ne ion by irradiation of large neon clusters using intense EUV-FEL pulses at 52 nm

• The interaction of clusters with intense EUV-FEL pulses was investigated using the SPring-8 Compact SASE Source (SCSS) test facility in Japan. Neon clusters of mean sizes = 1000 and 4000 were irradiated by intense FEL pulses at 52 nm and emitted ions were detected by a momentum imaging spectrometer. The production of energetic doubly charged ions was not found for Ne 1000, but it was observed for Ne 4000 clusters, which suggests that an inhomogeneous charge distribution is generated for the larger clusters.

Ämnesord

NATURVETENSKAP  -- Fysik (hsv//swe)

NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Nyckelord

Experimental/ atomic clusters

free electron lasers

imaging

ion emission

neon

positive ions

ultraviolet spectra/ energetic doubly charged Ne ion

neon cluster irradiation

intense EUV-FEL pulses

cluster interaction

sPring-8 compact SASE source test facility

SCSS

momentum imaging spectrometer

Ne1000 clusters

Ne4000 clusters

inhomogeneous charge distribution

self-amplified spontaneous-emission

wavelength 52 nm

Ne 1000

Ne 4000/ A3640 Atomic and molecular clusters A3220J Visible and ultraviolet atomic spectra A4255T Free electron lasers/ wavelength 5.2E-08 m/ Ne1000/el Ne/el

Ne4000/el Ne/el

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