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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 15 — Jul. 23, 2007
  • pp: 9486–9493

Quantitative study of 10 Hz operation of a soft x-ray laser—energy stability and target considerations

F. Lindau, O. Lundh, A. Persson, K. Cassou, S. Kazamias, D. Ros, F. Plé, G. Jamelot, A. Klisnick, S. de Rossi, D. Joyeux, B. Zielbauer, D. Ursescu, T. Kühl, and C.-G. Wahlström  »View Author Affiliations

Optics Express, Vol. 15, Issue 15, pp. 9486-9493 (2007)

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A soft x-ray laser from Ni-like Mo, pumped in grazing incidence (GRIP), is analyzed with regard to high repetition rate operation. Reliable lasing is obtained, but with significant energy fluctuations attributed mainly to beam pointing jitter from the pump laser. Two modes of operation are compared: continuously moving target and stationary target. With a moving target the soft X-ray output is constant on average, whereas the repeated use of the same target position leads to a pulse energy which increases for several tens of shots. This effect might be caused by improved guiding of the pump laser in the formed groove and the removal, through laser ablation, of the oxide layer on the target surface.

© 2007 Optical Society of America

OCIS Codes
(140.7240) Lasers and laser optics : UV, EUV, and X-ray lasers
(340.7440) X-ray optics : X-ray imaging

ToC Category:
Lasers and Laser Optics

Original Manuscript: May 24, 2007
Revised Manuscript: July 6, 2007
Manuscript Accepted: July 9, 2007
Published: July 17, 2007

F. Lindau, O. Lundh, A. Persson, K. Cassou, S. Kazamias, D. Ros, F. Plé, G. Jamelot, A. Klisnick, S. de Rossi, D. Joyeux, B. Zielbauer, D. Ursescu, T. Kühl, and C.-G. Wahlström, "Quantitative study of 10 Hz operation of a soft x-ray laser—energy stability and target considerations," Opt. Express 15, 9486-9493 (2007)

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