Development and applications of 10-mJ x-ray lasers at PALS

Tomas Mocek; Bedrich Rus; Michaela Kozlova; Jiri Polan; Ansgar R. Prag; Michal Stupka; Pavel Homer; Greg Tallents; Matthew Edwards; Pritesh Mistry; David Whittaker; Michal Bittner; Libor Juha; Gerard Jamelot; Kevin Cassou; Sophie Kazamias; David Ros; Annie Klisnick; Mustapha Boussoukaya; Marie Davidkova; Viktorie Stisova; Denis Joyeux

doi:10.1117/12.614918

13 September 2005 Development and applications of 10-mJ x-ray lasers at PALS

Tomas Mocek, Bedrich Rus, Michaela Kozlova, Jiri Polan, Ansgar R. Prag, Michal Stupka, Pavel Homer, Greg Tallents, Matthew Edwards, Pritesh Mistry, David Whittaker, Michal Bittner, Libor Juha, Gerard Jamelot, Kevin Cassou, Sophie Kazamias, David Ros, Annie Klisnick, Mustapha Boussoukaya, Marie Davidkova, Viktorie Stisova, Denis Joyeux

Author Affiliations +

Proceedings Volume 5919, Soft X-Ray Lasers and Applications VI; 59190H (2005) https://doi.org/10.1117/12.614918
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

We give an overview of recent advances in development and applications of deeply saturated Ne like zinc soft X-ray laser at PALS, providing strongly saturated emission at 21.2 nm. Population inversion is produced in the regime of long scale-length density plasma, which is achieved by a very large time separation between the prepulse (<10 J) and the main pump pulse (~500 J), of up to 50 ns. This pumping regime is unique in the context of current x-ray laser research. An extremely bright and narrowly collimated double-pass x-ray laser beam is obtained, providing ~10 mJ pulses and ~100 MW of peak power, which is the most powerful soft X-ray laser yet demonstrated. The programme of applications recently undertaken includes precision measurements of the soft X-ray opacity of laser irradiated metals relevant to stellar astrophysics, soft X-ray interferometric probing of optical materials for laser damage studies, soft X-ray material ablation relevant to microfabrication technologies, and pilot radiobiology studies of DNA damage in the soft X-ray region. A concomitant topic is focusing the x-ray laser beam down to a narrow spot, with the final goal of achieving ~10¹³ Wcm^-2.

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Tomas Mocek, Bedrich Rus, Michaela Kozlova, Jiri Polan, Ansgar R. Prag, Michal Stupka, Pavel Homer, Greg Tallents, Matthew Edwards, Pritesh Mistry, David Whittaker, Michal Bittner, Libor Juha, Gerard Jamelot, Kevin Cassou, Sophie Kazamias, David Ros, Annie Klisnick, Mustapha Boussoukaya, Marie Davidkova, Viktorie Stisova, and Denis Joyeux "Development and applications of 10-mJ x-ray lasers at PALS", Proc. SPIE 5919, Soft X-Ray Lasers and Applications VI, 59190H (13 September 2005); https://doi.org/10.1117/12.614918

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KEYWORDS

X-rays

Mirrors

Plasmas

Niobium

X-ray lasers

Opacity

Aluminum

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