Abstract
The paper reports on the optimization of a table-top nickel-like molybdenum transient collisionally excited soft x-ray laser (SXRL) at 18.9 nm, performed by double-pulse single beam grazing incidence pumping (DGRIP) [1]. This scheme allows for the first time the full control of the pump laser parameters including the pre-pulse duration, optimally generating the SXRL amplifier under grazing incidence. The single beam geometry of collinear double-pulse propagation guarantees the ideal overlap of the pre- and main pulse from shot to shot, resulting in a more efficient, highly stable SXRL output. SXRL energies up to 2.2 µJ are obtained with a total pump energy less than 1 J for several hours at 10 Hz repetition rate without re-alignment under once optimized double pumping pulse parameters including energy ratio, time delay, pre- and main pulse duration and line focus width [1].
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References
Zimmer, D.; Zielbauer, B.; Pittman, M.; Guilbaud, O.; Habib, J.; Kazamias, S.; Ros, D.; Bagnoud, V.; Kuehl, T., "Optimization of a table-top high repetition rate soft x- ray laser pumped in double-pulse single beam grazing incidence," Opt. Lett. 35, 450 (2010)
Zimmer, D., A new double laser pulse pumping scheme for transient collisionally excited plasma soft X-ray lasers, Thesis (2010), http://ubm.opus.hbz-nrw.de/volltexte/2010/2329/
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Zimmer, D. et al. (2011). Double-pulse single-beam grazing-incidence pumping. In: Lee, J., Nam, C.H., Janulewicz, K.A. (eds) X-Ray Lasers 2010. Springer Proceedings in Physics, vol 136. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1186-0_9
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DOI: https://doi.org/10.1007/978-94-007-1186-0_9
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-007-1185-3
Online ISBN: 978-94-007-1186-0
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