A B Borisov et al 1996 J. Phys. B: At. Mol. Opt. Phys. 29 L113 doi:10.1088/0953-4075/29/3/005
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imaging of Xe(M) and Xe(L) emissions from channelled propagation of intense femtosecond 248 nm pulses in a Xe cluster target
A B Borisov, A McPherson, K Boyer and C K Rhodes
Show affiliationsLETTER TO THE EDITOR
The spatial image of the spectrum of Xe(M) and Xe(L) emissions produced by the development of stable channelled propagation of intense femtosecond (
fs) 248 nm pulses propagating through a gas-phase Xe cluster target has been obtained. Analysis (i) shows that the observed channel length exceeds 20 Rayleigh ranges, (ii) reveals enhanced emission from the channel by very highly excited species such as Xe ions having double 2p-vacancies 
Å), (iii) gives spectral evidence for a substantial departure of the excitation from conditions of thermal equilibrium in the channel, (iv) confirms earlier studies which indicated the development of intensities of 
in the channel, and (v) provides additional evidence for the role of an anomolously strong multiphoton coupling in the generation of the observed X-ray emission.
- PACS
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33.80.Rv Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states)
- Subjects
- Dates
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Issue 3 (14 February 1996)
Received 15 August 1995, in final form 7 November 1995
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Z - imaging of Xe(M) and Xe(L) emissions from channelled propagation of intense femtosecond 248 nm pulses in a Xe cluster target
A B Borisov et al 1996 J. Phys. B: At. Mol. Opt. Phys. 29 L113
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Stability analysis of relativistic and charge-displacement self-channelling of intense laser pulses in underdense plasmas
A B Borisov et al 1995 Plasma Phys. Control. Fusion 37 569
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Intensity dependence of the multiphoton-induced Xe(L) spectrum produced by subpicosecond 248 nm excitation of Xe clusters
A B Borisov et al 1996 J. Phys. B: At. Mol. Opt. Phys. 29 L43
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