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    Nejdl, J. Kozlová, M. Mocek, T. and Rus, B. 2010. Measuring the electron density gradients of dense plasmas by deflectometry using short-wavelength probe. Physics of Plasmas, Vol. 17, Issue. 12, p. 122705.

    CHYLA, W.T. 2006. On generation of collimated high-power gamma beams. Laser and Particle Beams, Vol. 24, Issue. 01,

    Huang, H. and Tallents, G.J. 2006. The output of amplified spontaneous emission lasers. Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 102, Issue. 3, p. 425.

    MOCEK, T. SEBBAN, S. BETTAIBI, I. ZEITOUN, Ph. FAIVRE, G. CROS, B. MAYNARD, G. BUTLER, A. McKENNA, C.M. SPENCE, D.J. GONSAVLES, A.J. HOOKER, S.M. VORONTSOV, V. HALLOU, S. FAJARDO, M. KAZAMIAS, S. LE PAPE, S. MERCERE, P. MORLENS, A.S. VALENTIN, C. and BALCOU, Ph. 2005. Progress in optical-field-ionization soft X-ray lasers at LOA. Laser and Particle Beams, Vol. 23, Issue. 03,

    Tallents, G J 2003. The physics of soft x-ray lasers pumped by electron collisions in laser plasmas. Journal of Physics D: Applied Physics, Vol. 36, Issue. 15, p. R259.


A review of X-ray laser development at Rutherford Appleton Laboratory

  • G.J. TALLENTS (a1), Y. ABOU-ALI (a1), M. EDWARDS (a1), R. KING (a1), G.J. PERT (a1), S.J. PESTEHE (a1), F. STRATI (a1), C.L.S. LEWIS (a2), R. KEENAN (a2), S. TOPPING (a2), A. KLISNICK (a3), O. GUILBAUD (a3), D. ROS (a3), R. CLARKE (a4), M. NOTLEY (a4) and D. NEELY (a4)
  • DOI:
  • Published online: 13 November 2002

Recent experiments undertaken at the Rutherford Appleton Laboratory to produce X-ray lasing over the 5–30 nm wavelength range are reviewed. The efficiency of lasing is optimized when the main pumping pulse interacts with a preformed plasma. Experiments using double 75-ps pulses and picosecond pulses superimposed on 300-ps background pulses are described. The use of travelling wave pumping with the approximately picosecond pulse experiments is necessary as the gain duration becomes comparable to the time for the X-ray laser pulse to propagate along the target length. Results from a model taking account of laser saturation and deviations from the speed of light c of the travelling wave and X-ray laser group velocity are presented. We show that X-ray laser pulses as short as 2–3 ps can be produced with optical pumping pulses of ≈1-ps.

Corresponding author
Address correspondence and reprint requests to: G.J. Tallents, Department of Physics, University of York, York YO10 5DD, United Kingdom. E-mail:
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Laser and Particle Beams
  • ISSN: 0263-0346
  • EISSN: 1469-803X
  • URL: /core/journals/laser-and-particle-beams
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