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Opt Lett. 2007 Jan 15;32(2):139-41. doi: 10.1364/ol.32.000139.

Optimization toward a high-average-brightness soft-x-ray laser pumped at grazing incidence.

Optics letters

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

Affiliations

  1. LIXAM, UMR 8624, Université Paris Sud, Orsay, France. [email protected]

PMID: 17186043 DOI: 10.1364/ol.32.000139

Abstract

We report the near-field imaging characterization of a 10 Hz Ni-like 18.9 nm molybdenum soft-x-ray laser pumped in a grazing incidence pumping (GRIP) geometry with a table-top laser driver. We investigate the effect of varying the GRIP angle on the spatial behavior of the soft-x-ray laser source. After multiparameter optimization, we were able to find conditions to generate routinely a high-repetition-rate soft-x-ray laser with an energy level of up to 3 microJ/pulse and to 6x10(17) photons/s/mm2/mrad2/(0.1% bandwidth) average brightness and 1x10(28) photons/s/mm2/mrad2/(0.1% bandwidth) peak brightness.

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