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

Filip Lindau, Olle Lundh, Anders Persson, K Cassou, S. Kazamias, D. Ros, F. Ple, G. Jamelot, A. Klisnick, S. de Rossi, D. Joyeux, B. Zielbauer, D. Ursescu, T. Kuhl, Claes-Göran Wahlström

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

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. (c) 2007 Optical Society of America.
Original languageEnglish
Pages (from-to)9486-9493
JournalOptics Express
Volume15
Issue number15
Publication statusPublished - 2007

Subject classification (UKÄ)

  • Atom and Molecular Physics and Optics

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