Towards an 100 Hz X-Ray Laser Station

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Towards an 100 Hz X-Ray Laser Station

Tümmler, J. / Stiel, H. / Jung, R. / Janulewicz, K. A. / Nickles, P. V. / Sandner, W.

Abstract During the last few years the optimization of pumping schemes of X-ray lasers (XRL) has reached a level where the required pump power could be provided by table-top or even by commercially available laser systems. But the stability of the XRL output signal is limited by that of the pumping lasers and also the repetition rate is at maximum about 10 Hz. Many envisioned applications would however benefit from an improvement of these crucial parameters. A way to overcome this situation could be the use of diode pumped solid state lasers (DPSSL) as drivers. Therefore we are developing a new 100 Hz DPSSL based on Yb:YAG thin disk and CPA technology. This system is based on newly developed efficient diode stacks for 100 Hz repetition rate. According to the common requirements of a transient collisional XRL (here in a grazing incidence pumping scheme -GRIP) the new laser driver has a double beam structure with one beam for plasma performing, delivering an energy at the target in the range of 200 mJ in 200 ps and a second one with > 500 mJ and < 5 ps to heat the plasma. The amplifier system consists of 4 amplifiers of different sizes. For the following XRL operation a water cooled Ag or Mo tape as target for 13.9 nm or 18.9 nm XRL emission was developed. The target speed can be adjusted to the driver laser repetition rate. Parallel to the commissioning the XRL station and first application experiments an upgrade of the driver laser is planned.

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Dokumentinformationen

Titel :

Towards an 100 Hz X-Ray Laser Station

Beteiligte:

Tümmler, J. (Autor:in) / Stiel, H. (Autor:in) / Jung, R. (Autor:in) / Janulewicz, K. A. (Autor:in) / Nickles, P. V. (Autor:in) / Sandner, W. (Autor:in)

Erschienen in:

X-Ray Lasers 2008 ; 1 ; 43-52

Springer Proceedings in Physics ; 130 , 1

Erscheinungsdatum :

2009-01-01

Format / Umfang :

10 pages

ISBN :

978-1-4020-9924-3 , 978-1-4020-9923-6

ISSN :

0930-8989

DOI :