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53 W average power few-cycle fiber laser system generating soft x rays up to the water window

 
: Rothhardt, Jan; Hädrich, Steffen; Klenke, Arno; Demmler, Stefan; Hoffmann, Armin; Gotschall,Thomas; Eidam, Tino; Krebs, Manuel; Limpert, Jens; Tünnermann, Andreas

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Optics Letters 39 (2014), No.17, pp.5224-5227
ISSN: 0146-9592
English
Journal Article
Fraunhofer IOF ()

Abstract
We report on a few-cycle laser system delivering sub-8-fs pulses with 353 ?J pulse energy and 25 GW of peak power at up to 150 kHz repetition rate. The corresponding average output power is as high as 53 W, which represents the highest average power obtained from any few-cycle laser architecture so far. The combination of both high average and high peak power provides unique opportunities for applications. We demonstrate high harmonic generation up to the water window and record-high photon flux in the soft x-ray spectral region. This tabletop source of high-photon flux soft x rays will, for example, enable coherent diffractive imaging with sub-10-nm resolution in the near future.

: http://publica.fraunhofer.de/documents/N-307295.html