Toward a full optimization of a highly saturated soft-X-ray laser beam produced in extremely long capillary discharge amplifiers

G. Tomassetti, A. Ritucci, A. Reale, L. Palladino, L. Reale, S. Kukhlevsky, F. Flora, L. Mezi, A. Faenov, T. Pikuz, A. Gaudieri

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

We report a substantial improvement of the output characteristics of a capillary discharge single-pass 46.9 nm Ne-like Ar soft-X-ray laser obtained by increasing the length of laser amplifier from 20 up to 45 cm. The longest plasma amplifier is characterized by an aspect ratio well exceeding 1000:1. The plasma columns are pumped by long 180 ns half-cycle duration, low amplitude 17-20 kA current pulses inside 3 mm in diameter alumina capillary channels filled with Ar at pressures of 0.25-0.55 Torr. Through the elongation of the plasma we produce a highly saturated regime of operation, where the plasma medium is three times the saturation length, the output pulse energy is of 300 μJ and the pulse duration of 1.7 ns. The far-field intensity distribution, reaching value

Original languageEnglish
Pages (from-to)403-411
Number of pages9
JournalOptics Communications
Volume231
Issue number1-6
DOIs
Publication statusPublished - Feb 15 2004

Fingerprint

X ray lasers
Laser beams
amplifiers
laser beams
Plasmas
optimization
x rays
Light amplifiers
Aluminum Oxide
output
pulses
elongation
lasers
far fields
aspect ratio
Aspect ratio
Elongation
pulse duration
Alumina
aluminum oxides

Keywords

  • Plasma devices for generation of coherent radiation
  • X- and gamma-ray lasers
  • Z-pinches, plasma focus and other pinch devices

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Toward a full optimization of a highly saturated soft-X-ray laser beam produced in extremely long capillary discharge amplifiers. / Tomassetti, G.; Ritucci, A.; Reale, A.; Palladino, L.; Reale, L.; Kukhlevsky, S.; Flora, F.; Mezi, L.; Faenov, A.; Pikuz, T.; Gaudieri, A.

In: Optics Communications, Vol. 231, No. 1-6, 15.02.2004, p. 403-411.

Research output: Contribution to journalArticle

Tomassetti, G, Ritucci, A, Reale, A, Palladino, L, Reale, L, Kukhlevsky, S, Flora, F, Mezi, L, Faenov, A, Pikuz, T & Gaudieri, A 2004, 'Toward a full optimization of a highly saturated soft-X-ray laser beam produced in extremely long capillary discharge amplifiers', Optics Communications, vol. 231, no. 1-6, pp. 403-411. https://doi.org/10.1016/j.optcom.2003.12.033
Tomassetti, G. ; Ritucci, A. ; Reale, A. ; Palladino, L. ; Reale, L. ; Kukhlevsky, S. ; Flora, F. ; Mezi, L. ; Faenov, A. ; Pikuz, T. ; Gaudieri, A. / Toward a full optimization of a highly saturated soft-X-ray laser beam produced in extremely long capillary discharge amplifiers. In: Optics Communications. 2004 ; Vol. 231, No. 1-6. pp. 403-411.
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AU - Kukhlevsky, S.

AU - Flora, F.

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